The Top Design Firms list, published annually, ranks the 500 largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.

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ENR New York Top Design Firms by Market Sector

New York

Rank	Firm	($Mil)
1	ARCADIS U.S.	223.49
2	AECOM	221.97
3	STV	157.17
4	Parsons Brinckerhoff	103.16
5	Gensler	86.66
6	Arup	86.29
7	WSP USA	82.56
8	CHA	78.90
9	Stantec	71.37
10	Greenman-Pedersen	66.59
11	Perkins Eastman	59.87
12	Tectonic Engineering & Surveying Consultants P.C.	54.14
13	Ennead Architects	49.66
14	C&S Cos.	48.00
15	Langan	40.63
16	Bergmann Associates	40.30
17	HNTB	35.36
18	AKF Group LLC	34.18
19	Dvirka and Bartilucci Consulting Engineers	33.10
20	Ammann & Whitney	32.70
21	Weidlinger Associates	32.52
22	HARDESTY & HANOVER LLP	31.00
23	Swanke Hayden Connell Architectss	30.50
24	Thornton Tomasetti	30.03
25	LaBella Associates PC	24.19
26	HOK	22.79
27	M/E Engineering PC	22.69
28	Syska Hennessy Group	20.80
29	Kohn Pedersen Fox Associates (KPF)	20.18
30	Beyer Blinder Belle Architects & Planners LLP	19.84
31	GEI Consultants	18.41
32	VHB Engineering, Survey and Landscape Architecture PC	18.39
33	Hatch Mott MacDonald	16.74
34	Gannett Fleming Engineers and Architects PC	16.42
35	SUPERSTRUCTURES Engineering + Architecture, PLLC	16.20
36	Greeley and Hansen	16.00
37	Davis Brody Bond	15.07
38	Perkins+Will New York	15.05
39	SWBR Architecture, Engineering & Landscape Architecture PC	13.96
40	MWH Global	13.27
41	Array Architects	13.00
42	McLaren Engineering Group	12.90
43	Vanderweil Engineers	12.12
44	Dewberry	12.09
45	Stonehill & Taylor Architects PC	11.76
46	T.Y. Lin International	11.60
47	CSArch Architecture | Engineering | Construction Management	11.23
48	WASA / Studio A - Wank Adams Slavin Assoc. LLP	10.69
49	Joseph R. Loring & Associates	10.50
50	Callison	9.80
51	CetraRuddy	9.47
52	P.W. Grosser Consulting	9.13
53	Gruzen Samton • IBI Group	9.00
54	GACE Consulting Engineers	8.74
55	Sam Schwartz Engineering	8.59
56	Beardsley Design Associates	8.30
57	Haley & Aldrich	8.23
58	JFK&M Consulting Group LLC	8.21
59	Edwards and Zuck PC	7.47
60	SEI Design Group	7.08
61	Highland Associates	6.90
62	Wiss, Janney, Elstner Associates	6.55
63	Edward D'Orazio, AIA Architects	6.50
64	Paulus Sokolowski & Sartor LLC	6.40
65	EwingCole	6.16
66	The Switzer Group	6.05
67	Robert A.M. Stern Architects LLP	5.82
68	Fletcher-Thompson	5.40
69	Altran Solutions	4.63
70	BL Cos.	4.47
71	H3 Hardy Collaboration Architecture	4.33
72	VOA Architecture, PLLC	3.87
73	The S/L/A/M Collaborative	3.47
74	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	3.25
75	Atkins	3.24
76	KS Engineers PC	3.00
77	Dagher Engineering	2.70
78	H.W. Lochner, Inc	2.69
79	Birdsall Services Group	2.40
80	KMB Design Group, LLC	2.39
81	Walker Parking Consultants	2.28
82	LAN Assoc., Engineering, Planning, Architecture, Surveying	1.70
83	MulvannyG2 Architecture	1.37
84	AI Engineers	1.20
85	DMR Architects	1.10
86	Gruskin Architecture + Design PC	0.92
87	Milone & MacBroom	0.68
88	Arcari & Iovino Architects PC	0.60
89	CASCO Diversified Professional	0.54
90	MINNO & WASKO Architects and Planners PC	0.45
91	Collins Engineers	0.38
92	9X30 Design, Architecture LLP	0.12
93	OLA Consulting Engineers PC	0.11
94	Spiezle Architectural Group	0.08
95	Tighe & Bond	0.06
96	Burns & McDonnell	0.05

Connecticut

Rank	Firm	($Mil)
1	The S/L/A/M Collaborative	26.90
2	Parsons Brinckerhoff	22.73
3	AECOM	21.45
4	Burns & McDonnell	18.87
5	ARCADIS U.S.	15.35
6	Milone & MacBroom	14.06
7	BL Cos.	13.46
8	H.W. Lochner, Inc	12.77
9	Tighe & Bond	12.74
10	STV	11.35
11	Fletcher-Thompson	10.90
12	Erdman Anthony	10.64
13	HNTB	8.96
14	VHB Engineering, Survey and Landscape Architecture PC	8.76
15	AI Engineers	8.40
16	Perkins Eastman	7.75
17	Stantec	7.55
18	Robert A.M. Stern Architects LLP	6.77
19	Antinozzi Associates PC	6.52
20	Langan	6.25
21	Haley & Aldrich	6.04
22	Ammann & Whitney	5.90
23	Vanderweil Engineers	3.84
24	Gensler	3.68
25	Gannett Fleming Engineers and Architects PC	3.48
26	CHA	3.40
27	GEI Consultants	2.28
28	Edwards and Zuck PC	2.12
29	Dewberry	2.03
30	Gruzen Samton • IBI Group	2.00
31	AKF Group LLC	1.78
32	Wiss, Janney, Elstner Associates	1.71
33	WSP USA	1.69
34	Perkins+Will New York	1.66
35	Paulus Sokolowski & Sartor LLC	1.60
36	McLaren Engineering Group	1.47
37	WASA / Studio A - Wank Adams Slavin Assoc. LLP	1.42
38	Dvirka and Bartilucci Consulting Engineers	1.10
39	Edward D'Orazio, AIA Architects	1.00
40	JFK&M Consulting Group LLC	0.98
41	Tectonic Engineering & Surveying Consultants P.C.	0.92
42	Highland Associates	0.90
43	Hatch Mott MacDonald	0.73
44	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.59
45	MulvannyG2 Architecture	0.59
46	Weidlinger Associates	0.58
47	HOK	0.56
48	KMB Design Group, LLC	0.56
49	Syska Hennessy Group	0.54
50	Callison	0.53
51	HARDESTY & HANOVER LLP	0.50
52	OLA Consulting Engineers PC	0.43
53	Ennead Architects	0.36
54	SUPERSTRUCTURES Engineering + Architecture, PLLC	0.36
55	MINNO & WASKO Architects and Planners PC	0.30
56	Arup	0.23
57	Walker Parking Consultants	0.22
58	The Switzer Group	0.22
59	Arcari & Iovino Architects P	0.20
60	Altran Solutions	0.19
61	MWH Global	0.17
62	Thornton Tomasetti	0.16
63	Birdsall Services Group	0.15
64	Collins Engineers	0.13
65	Swanke Hayden Connell Architects	0.10
66	CASCO Diversified Professional	0.09
67	Beyer Blinder Belle Architects & Planners LLP	0.08
68	T.Y. Lin International	0.06
69	Atkins	0.02
70	P.W. Grosser Consulting	0.02
71	Gruskin Architecture + Design PC	0.01

New Jersey

Rank	Firm	($Mil)
1	AECOM	68.18
2	Birdsall Services Group	52.85
3	ARCADIS U.S.	50.60
4	Dewberry	47.85
5	Greenman-Pedersen	44.95
6	HNTB	41.77
7	T&M Associates	41.50
8	Langan	39.93
9	Hatch Mott MacDonald	37.70
10	Parsons Brinckerhoff	35.00
11	Gannett Fleming Engineers and Architects PC	25.51
12	Paulus Sokolowski & Sartor LLC	24.00
13	Gensler	21.31
14	Stantec	19.71
15	Altran Solutions	11.84
16	HARDESTY & HANOVER LLP	11.50
17	KS Engineers PC	9.00
18	T.Y. Lin International	8.92
19	STV	8.80
20	Spiezle Architectural Group	8.77
21	Highland Associates	8.10
22	MINNO & WASKO Architects and Planners PC	7.85
23	Haley & Aldrich	7.23
24	HOK	6.36
25	Ammann & Whitney	6.20
26	LAN Assoc., Engineering, Planning, Architecture, Surveying	6.04
27	Kohn Pedersen Fox Associates (KPF)	5.53
28	WSP USA	5.35
29	VHB Engineering, Survey and Landscape Architecture PC	5.26
30	Array Architects	5.00
31	OLA Consulting Engineers PC	4.96
32	DMR Architects	4.70
33	Arup	4.68
34	GEI Consultants	4.48
35	McLaren Engineering Group	4.03
36	AKF Group LLC	4.01
37	Thornton Tomasetti	4.00
38	EwingCole	3.91
39	BL Cos	3.90
40	Burns & McDonnell	3.87
41	MWH Global	3.62
42	KMB Design Group, LLC	3.34
43	CHA	3.30
44	Atkins	3.29
45	Vanderweil Engineers	2.91
46	Beyer Blinder Belle Architects & Planners LLP	2.88
47	Davis Brody Bond	2.73
48	Gruskin Architecture + Design PC	2.43
49	Perkins Eastman	2.27
50	Fletcher-Thompson	2.10
51	Weidlinger Associates	1.99
52	Callison	1.84
53	Wiss, Janney, Elstner Associates	1.76
54	Sam Schwartz Engineering	1.74
55	Joseph R. Loring & Associates	1.50
56	Syska Hennessy Group	1.49
57	SUPERSTRUCTURES Engineering + Architecture, PLLC	1.44
58	MulvannyG2 Architecture	1.18
59	Gruzen Samton • IBI Group	1.00
59	C&S Cos.	1.00
59	Arcari & Iovino Architects PC	1.00
59	Edward D'Orazio, AIA Architects	1.00
63	Ware Malcomb	0.96
64	Greeley and Hansen	0.92
65	Edwards and Zuck PC	0.77
66	Perkins+Will New York	0.76
67	The S/L/A/M Collaborative	0.75
68	Walker Parking Consultants	0.73
69	CASCO Diversified Professional	0.73
70	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.64
71	CetraRuddy	0.37
72	Dvirka and Bartilucci Consulting Engineers	0.33
73	Dagher Engineering	0.30
74	JFK&M Consulting Group LLC	0.25
75	Tectonic Engineering & Surveying Consultants P.C.	0.19
76	VOA Architecture, PLLC	0.15
77	Tighe & Bond	0.05
78	Collins Engineers	0.04
79	H3 Hardy Collaboration Architecture	0.03
80	The Switzer Group	0.03
81	Ennead Architects	0.02
82	Robert A.M. Stern Architects LLP	0.01

General Building

Rank	Firm	($Mil)
1	STV	106.39
2	Gensler	90.50
3	AECOM	75.98
4	Perkins Eastman	69.89
5	Langan	60.77
6	Ennead Architect	50.01
7	WSP USA	47.03
8	Stantec	42.99
9	AKF Group LLC	38.67
10	Arup	33.80
11	Thornton Tomasetti	32.84
12	The S/L/A/M Collaborative	31.12
13	Swanke Hayden Connell Architects	30.60
14	HOK	28.92
15	Kohn Pedersen Fox Associates (KPF)	25.71
16	Bergmann Associates	24.13
17	C&S Cos.	20.60
18	M/E Engineering PC	20.42
19	Tectonic Engineering & Surveying Consultants P.C.	20.27
20	Beyer Blinder Belle Architects & Planners LLP	18.90
21	Syska Hennessy Group	18.83
22	Fletcher-Thompson	18.40
23	Array Architects	18.00
23	SUPERSTRUCTURES Engineering + Architecture, PLLC	18.00
25	CHA	17.90
26	Davis Brody Bond	17.56
27	Perkins+Will New York	16.63
28	VHB Engineering, Survey and Landscape Architecture PC	14.98
29	WASA / Studio A - Wank Adams Slavin Assoc. LLP	12.75
30	Paulus Sokolowski & Sartor LLC	12.70
31	Robert A.M. Stern Architects LLP	12.27
32	Callison	12.17
33	SWBR Architecture, Engineering & Landscape Architecture PC	11.91
34	Vanderweil Engineers	11.87
35	Stonehill & Taylor Architects PC	11.76
36	BL Cos.	11.46
37	CSArch Architecture | Engineering | Construction Management	11.23
38	Joseph R. Loring & Associates	10.95
39	Gruzen Samton • IBI Group	10.50
40	Edwards and Zuck PC	10.36
41	EwingCole	10.06
42	Parsons Brinckerhoff	9.85
43	SCetraRuddy	9.84
44	JFK&M Consulting Group LLC	9.43
45	Highland Associates	9.40
46	Spiezle Architectural Group	8.85
47	Weidlinger Associates	8.84
48	GACE Consulting Engineers	8.74
49	McLaren Engineering Group	8.67
50	MINNO & WASKO Architects and Planners PC	8.60
51	Wiss, Janney, Elstner Associates	8.56
52	Greenman-Pedersen	8.38
53	Milone & MacBroom	8.35
54	Beardsley Design Associates	8.30
55	LaBella Associates PC	7.55
56	SEI Design Group	7.08
57	LAN Assoc., Engineering, Planning, Architecture, Surveying	6.77
58	P.W. Grosser Consulting	6.71
59	T&M Associates	6.70
60	Antinozzi Associates PC	6.52
61	Ammann & Whitney	6.50
62	T.Y. Lin International	6.36
63	The Switzer Group	6.30
64	Dewberry	5.89
65	DMR Architects	5.80
66	OLA Consulting Engineers PC	5.50
67	Birdsall Services Group	4.90
68	H3 Hardy Collaboration Architecture	4.36
69	VOA Architecture, PLLC	4.02
70	Sam Schwartz Engineering	3.70
71	Gruskin Architecture + Design PC	3.34
72	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	6.21
73	Walker Parking Consultants	3.24
74	Hatch Mott MacDonald	3.18
75	MulvannyG2 Architecture	3.13
76	KS Engineers PC	3.00
76	Dagher Engineering	3.00
78	Haley & Aldrich	2.92
79	Gannett Fleming Engineers and Architects PC	2.74
80	AI Engineers	2.30
81	Atkins	1.87
82	Arcari & Iovino Architects PC	1.80
83	Tighe & Bond	1.66
84	CASCO Diversified Professional	1.35
85	GEI Consultants	1.27
86	Ware Malcomb	0.96
87	HARDESTY & HANOVER LLP	0.30
88	KMB Design Group, LLC	0.21
89	9X30 Design, Architecture LLP	0.10
90	Collins Engineers	0.01

Commercial

Rank	Firm	($Mil)
1	Gensler	65.19
2	AKF Group LLC	20.48
3	Thornton Tomasett	20.15
4	Swanke Hayden Connell Architects	20.00
5	HOK	12.02
6	WSP USA	10.97
7	AECOM	9.61
8	Kohn Pedersen Fox Associates (KPF)	8.80
9	Perkins Eastman	6.99
10	Edwards and Zuck PC	9.07
11	The Switzer Group	5.80
12	Syska Hennessy Group	5.55
13	Arup	4.63
14	Perkins+Will New York	4.37
15	STV	3.55
16	Langan	3.47
17	Wiss, Janney, Elstner Associates	3.25
18	Milone & MacBroom	3.22
19	Highland Associates	3.20
20	Antinozzi Associates PC	2.77
21	Beyer Blinder Belle Architects & Planners LLP	2.45
22	VOA Architecture, PLLC	2.44
23	Paulus Sokolowski & Sartor LLC	2.40
24	T&M Associates	2.10
25	OLA Consulting Engineers PC	2.00
26	The S/L/A/M Collaborative	1.87
27	BL Cos.	1.85
28	CSArch Architecture | Engineering | Construction Management	1.85
29	Stantec	1.77
30	Parsons Brinckerhoff	1.63
31	SUPERSTRUCTURES Engineering + Architecture, PLLC	1.60
32	Weidlinger Associates	1.55
33	Tectonic Engineering & Surveying Consultants P.C.	1.50
34	DMR Architects	1.24
34	Joseph R. Loring & Associates	1.24
36	M/E Engineering PC	1.13
37	Callison	1.10
38	GACE Consulting Engineers	1.09
39	Greenman-Pedersen	1.03
40	C&S Cos.	1.00
40	KS Engineers PC	1.00
40	Gruzen Samton • IBI Group	1.00
43	Vanderweil Engineers	0.97
44	Fletcher-Thompson	0.90
45	Bergmann Associates	0.80
46	GEI Consultants	0.77
47	JFK&M Consulting Group LLC	0.75
48	T.Y. Lin International	8.19
49	Robert A.M. Stern Architects LLP	0.70
50	Tighe & Bond	0.70
51	Dagher Engineering	0.60
52	MINNO & WASKO Architects and Planners PC	0.55
53	Spiezle Architectural Group	0.53
54	McLaren Engineering Group	0.51
55	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.26
56	Davis Brody Bond	0.23
57	Dewberry	0.20
58	LaBella Associates PC	0.15
59	Ware Malcomb	0.14
60	CASCO Diversified Professional	0.10
61	Gruskin Architecture + Design PC	0.10
62	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.09
63	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	0.07
64	9X30 Design, Architecture LLP	0.05
65	CetraRuddy	0.04
66	SWBR Architecture, Engineering & Landscape Architecture PC	0.04
67	KMB Design Group, LLC	0.02
68	Ennead Architects	0.01

Correctional

Rank	Firm	($Mil)
1	LaBella Associates PC	2.45
2	STV	1.77
3	M/E Engineering PC	1.13
4	Stantec	0.78
5	Greenman-Pedersen	0.76
6	SUPERSTRUCTURES Engineering + Architecture, PLLC	0.17
7	Dagher Engineering	0.15
8	Ammann & Whitney	0.10
9	Dewberry	0.09
10	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.03
11	Joseph R. Loring & Associates	0.02
12	HOK	0.02

Distribution & Warehouse

Rank	Firm	($Mil)
1	Arup	1.25
2	Paulus Sokolowski & Sartor LLC	0.90
3	Ware Malcomb	0.81
4	Stantec	0.64
5	T&M Associates	0.50
6	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.38
7	SWBR Architecture, Engineering & Landscape Architecture PC	0.27
8	McLaren Engineering Group	0.25
9	Wiss, Janney, Elstner Associates	0.11
10	Dewberry	0.10
11	Sam Schwartz Engineering	0.10
12	LaBella Associates PC	0.09
13	T.Y. Lin International	0.08
14	Antinozzi Associates PC	0.04
15	DMR Architects	0.03
16	Milone & MacBroom	0.03
17	GACE Consulting Engineers	0.02

R&D Facilities

Rank	Firm	($Mil)
1	Stantec	7.70
2	Ennead Architects	6.78
3	Davis Brody Bond	5.46
4	Vanderweil Engineers	4.10
5	HOK	4.10
6	The S/L/A/M Collaborative	3.11
7	Perkins Eastman	2.80
8	Swanke Hayden Connell Architects	2.50
9	Arup	2.18
10	AKF Group LLC	1.20
11	Stonehill & Taylor Architects PC	1.18
12	EwingCole	1.01
13	WSP USA	0.86
14	JFK&M Consulting Group LLC	0.71
15	Callison	0.65
16	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.64
17	C&S Cos.	0.30
18	SWBR Architecture, Engineering & Landscape Architecture PC	0.28
19	Fletcher-Thompson	0.20
20	Gruskin Architecture + Design PC	0.13
21	The Switzer Group	0.13
22	Thornton Tomasetti	0.03
23	Perkins+Will New York	0.011

Education/Research

Rank	Firm	($Mil)
1	STV	40.78
2	The S/L/A/M Collaborative	22.09
3	Langan	17.36
4	Ennead Architects	12.54
5	Fletcher-Thompson	11.20
6	Perkins Eastman	11.18
7	Robert A.M. Stern Architects LLP	10.01
8	Davis Brody Bond	9.02
9	C&S Cos.	9.00
10	CSArch Architecture | Engineering | Construction Management	8.55
11	Gensler	8.20
12	M/E Engineering PC	7.94
13	Parsons Brinckerhoff	7.85
14	Arup	7.15
15	Joseph R. Loring & Associates	6.90
16	SEI Design Group	6.90
17	SUPERSTRUCTURES Engineering + Architecture, PLLC	5.80
18	Spiezle Architectural Group	5.75
19	Bergmann Associates	5.66
20	Stantec	5.62
21	Gruzen Samton • IBI Group	5.50
22	SWBR Architecture, Engineering & Landscape Architecture PC	5.25
23	AECOM	4.79
24	LAN Assoc., Engineering, Planning, Architecture, Surveying	4.54
25	Ammann & Whitney	4.10
25	Tectonic Engineering & Surveying Consultants P.C.	4.10
27	LaBella Associates PC	3.99
28	Perkins+Will New York	3.92
29	WASA / Studio A - Wank Adams Slavin Assoc. LLP	3.83
30	Antinozzi Associates PC	3.38
31	AKF Group LLC	3.18
32	Greenman-Pedersen	3.00
33	Beyer Blinder Belle Architects & Planners LLP	2.99
34	Vanderweil Engineers	11.50
35	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	2.39
36	DMR Architects	2.33
37	JFK&M Consulting Group LLC	2.15
38	KS Engineers PC	2.00
39	Kohn Pedersen Fox Associates (KPF)	1.87
40	WSP USA	1.43
41	Thornton Tomasetti	1.42
42	EwingCole	1.40
43	Milone & MacBroom	1.35
44	Paulus Sokolowski & Sartor LLC	1.30
45	Beardsley Design Associates	1.25
46	Syska Hennessy Group	1.16
47	Wiss, Janney, Elstner Associates	1.10
48	Swanke Hayden Connell Architects	1.00
48	OLA Consulting Engineers PC	1.00
50	CetraRuddy	0.56
51	T.Y. Lin International	0.52
52	Dewberry	0.51
53	T&M Associates	0.50
54	McLaren Engineering Group	0.47
55	Dagher Engineering	0.45
56	Gruskin Architecture + Design PC	0.41
57	GEI Consultants	0.39
58	GACE Consulting Engineers	0.37
59	Sam Schwartz Engineering	0.30
60	Weidlinger Associates	0.21
61	H3 Hardy Collaboration Architecture	0.20
62	Tighe & Bond	0.18
63	The Switzer Group	0.13
64	AI Engineers	0.12
65	HOK	0.10
66	Hatch Mott MacDonald	0.06
67	9X30 Design, Architecture LLP	0.05
68	P.W. Grosser Consulting	0.04
68	Atkins	0.04

Entertainment

Rank	Firm	($Mil)
1	McLaren Engineering Group	2.57
2	Arup	2.20
3	Langan	1.74
4	BL Cos.	1.69
5	WSP USA	1.21
6	M/E Engineering PC	1.13
7	Paulus Sokolowski & Sartor LLC	0.50
8	Ammann & Whitney	0.40
9	C&S Cos.	0.30
10	MINNO & WASKO Architects and Planners PC	0.25
11	Beyer Blinder Belle Architects & Planners LLP	0.18
12	Gensler	0.17
13	Joseph R. Loring & Associates	0.16
14	Tectonic Engineering & Surveying Consultants P.C.	0.15
14	Dagher Engineering	0.15
16	Stantec	0.12
17	Sam Schwartz Engineering	0.10
18	Wiss, Janney, Elstner Associates	0.07
19	T.Y. Lin International	0.04
20	SWBR Architecture, Engineering & Landscape Architecture PC	0.01
21	HOK	0.01
22	Collins Engineers	0.01

Government/Public Service

Rank	Firm	($Mil)
1	AECOM	60.92
2	WSP USA	12.16
3	Tectonic Engineering & Surveying Consultants P.C.	10.00
4	C&S Cos.	8.00
5	Arup	5.60
6	Perkins+Will New York	5.53
7	Beardsley Design Associates	5.40
8	Syska Hennessy Group	4.94
9	Beyer Blinder Belle Architects & Planners LLP	4.84
10	STV	3.55
11	P.W. Grosser Consulting	3.23
12	Gruzen Samton • IBI Group	3.00
13	Bergmann Associates	2.90
14	Langan	2.60
15	Fletcher-Thompson	2.60
16	Swanke Hayden Connell Architects	2.40
17	Hatch Mott MacDonald	2.32
18	M/E Engineering PC	2.27
19	Thornton Tomasetti	2.01
20	WASA / Studio A - Wank Adams Slavin Assoc. LLP	1.91
21	SUPERSTRUCTURES Engineering + Architecture, PLLC	1.90
22	Paulus Sokolowski & Sartor LLC	1.60
23	Dewberry	1.56
24	Perkins Eastman	1.40
25	Joseph R. Loring & Associates	1.30
26	Vanderweil Engineers	1.23
27	Ennead Architects	1.14
28	DMR Architects	1.13
29	EwingCole	1.05
30	AI Engineers	0.98
31	Atkins	0.97
32	Greenman-Pedersen	0.86
33	CSArch Architecture | Engineering | Construction Management	0.82
34	Spiezle Architectural Group	0.71
35	HOK	0.65
36	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.62
37	AKF Group LLC	0.50
38	Ammann & Whitney	0.50
38	H3 Hardy Collaboration Architecture	0.50
40	LaBella Associates PC	0.43
41	JFK&M Consulting Group LLC	0.40
42	Wiss, Janney, Elstner Associates	0.34
43	Sam Schwartz Engineering	0.30
43	OLA Consulting Engineers PC	0.30
45	Robert A.M. Stern Architects LLP	0.27
46	T.Y. Lin International	0.24
47	Stantec	0.17
48	McLaren Engineering Group	0.13
49	Antinozzi Associates PC	0.12
50	Weidlinger Associates	0.09
51	GEI Consultants	0.05
52	GACE Consulting Engineers	0.03
53	SWBR Architecture, Engineering & Landscape Architecture PC	0.02
54	Kohn Pedersen Fox Associates (KPF)	0.01

Health Care

Rank	Firm	($Mil)
1	Perkins Eastman	31.45
2	Ennead Architects	25.64
3	Array Architects	18.00
4	Stantec	17.40
5	Langan	14.76
6	HOK	11.19
7	AKF Group LLC	8.34
8	Syska Hennessy Group	7.05
9	EwingCole	6.25
10	M/E Engineering PC	5.67
11	JFK&M Consulting Group LLC	4.98
12	Swanke Hayden Connell Architects	4.60
13	The S/L/A/M Collaborative	4.05
14	WASA / Studio A - Wank Adams Slavin Assoc. LLP	3.83
15	STV	3.55
16	WSP USA	3.18
17	Fletcher-Thompson	2.90
18	Highland Associates	2.80
19	Perkins+Will New York	2.64
20	Vanderweil Engineers	2.59
21	SUPERSTRUCTURES Engineering + Architecture, PLLC	2.50
22	SWBR Architecture, Engineering & Landscape Architecture PC	2.28
23	Thornton Tomasetti	2.19
24	Davis Brody Bond	2.09
25	Dewberry	1.77
26	Spiezle Architectural Group	1.33
27	VOA Architecture, PLLC	1.30
28	AI Engineers	1.20
29	Stonehill & Taylor Architects PC	1.18
30	Gruzen Samton • IBI Group	1.00
30	C&S Cos.	1.00
32	P.W. Grosser Consulting	0.84
33	Beardsley Design Associates	0.83
34	Ammann & Whitney	0.80
34	Sam Schwartz Engineering	0.80
36	OLA Consulting Engineers PC	0.75
37	Greenman-Pedersen	0.64
38	Wiss, Janney, Elstner Associates	0.55
39	Weidlinger Associates	0.43
40	LaBella Associates PC	0.31
41	Tighe & Bond	0.29
42	GACE Consulting Engineers	0.27
43	BL Cos.	0.26
44	Joseph R. Loring & Associates	0.26
45	Arup	0.24
46	Hatch Mott MacDonald	0.23
47	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.23
48	DMR Architects	0.21
49	McLaren Engineering Group	0.19
50	SEI Design Group	0.18
51	Tectonic Engineering & Surveying Consultants P.C.	0.17
52	AECOM	0.14
53	Parsons Brinckerhoff	0.13
54	Edwards and Zuck PC	0.09
55	Antinozzi Associates PC	0.09
56	GEI Consultants	0.06
57	Milone & MacBroom	0.06
58	Atkins	0.02
59	KMB Design Group, LLC	0.01

Hospitality

Rank	Firm	($Mil)
1	Stonehill & Taylor Architects PC	9.41
2	Langan	6.08
3	Perkins Eastman	4.19
4	Gensler	3.52
5	GACE Consulting Engineers	1.87
6	WSP USA	1.69
7	Edwards and Zuck PC	1.59
8	Stantec	1.14
9	SUPERSTRUCTURES Engineering + Architecture, PLLC	0.92
10	Kohn Pedersen Fox Associates (KPF)	0.66
11	Weidlinger Associates	0.61
12	Dagher Engineering	0.60
13	AKF Group LLC	0.56
14	MINNO & WASKO Architects and Planners PC	0.50
15	Paulus Sokolowski & Sartor LLC	0.50
16	CetraRuddy	0.49
17	McLaren Engineering Group	0.42
18	Thornton Tomasetti	0.39
19	JFK&M Consulting Group LLC	0.38
20	Joseph R. Loring & Associates	0.30
21	Callison	0.30
22	Wiss, Janney, Elstner Associates	0.29
23	Vanderweil Engineers	0.27
24	Ennead Architects	0.15
25	Highland Associates	0.15
26	Arup	0.10
27	Sam Schwartz Engineering	0.10
28	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.09
29	Parsons Brinckerhoff	0.05
30	KMB Design Group, LLC	0.03
31	Gruskin Architecture + Design PC	0.01
32	Beyer Blinder Belle Architects & Planners LLP	0.01
33	T.Y. Lin International	0.01

Multi-Unit Residential

Rank	Firm	($Mil)
1	STV	5.46
2	CetraRuddy	8.31
3	WSP USA	7.01
4	MINNO & WASKO Architects and Planners PC	6.55
5	Langan	6.08
6	Perkins Eastman	4.89
7	Thornton Tomasetti	4.82
8	SUPERSTRUCTURES Engineering + Architecture, PLLC	4.45
9	Arup	3.89
10	GACE Consulting Engineers	3.85
11	Paulus Sokolowski & Sartor LLC	3.20
12	SWBR Architecture, Engineering & Landscape Architecture PC	3.14
13	P.W. Grosser Consulting	2.52
14	Milone & MacBroom	2.24
15	Edwards and Zuck PC	2.03
16	Wiss, Janney, Elstner Associates	1.83
17	Tectonic Engineering & Surveying Consultants P.C.	1.75
18	Beyer Blinder Belle Architects & Planners LLP	1.62
19	AKF Group LLC	1.46
20	Robert A.M. Stern Architects LLP	1.17
21	McLaren Engineering Group	1.14
22	M/E Engineering PC	1.13
23	Dagher Engineering	0.90
24	Beardsley Design Associates	0.83
25	Dewberry	0.82
26	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	0.76
27	Stantec	0.75
28	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.64
29	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.64
30	Kohn Pedersen Fox Associates (KPF)	0.64
31	T.Y. Lin International	0.60
32	DMR Architects	0.43
33	BL Cos.	0.43
34	OLA Consulting Engineers PC	0.35
35	Highland Associates	0.30
36	Tighe & Bond	0.26
37	Sam Schwartz Engineering	0.20
37	C&S Cos.	0.20
37	Fletcher-Thompson	0.20
40	Weidlinger Associates	0.18
41	Parsons Brinckerhoff	0.17
42	Hatch Mott MacDonald	0.14
43	Perkins+Will New York	0.13
44	VOA Architecture, PLLC	0.12
45	Antinozzi Associates PC	0.09
46	Gruskin Architecture + Design PC	0.06
47	Ennead Architects	0.03
48	Davis Brody Bond	0.02
49	KMB Design Group, LLC	0.01

Religious & Cultural

Rank	Firm	($Mil)
1	WSP USA	7.28
2	Ennead Architects	3.72
3	Arup	3.68
4	T.Y. Lin International	3.01
5	H3 Hardy Collaboration Architecture	2.48
6	Beyer Blinder Belle Architects & Planners LLP	2.24
7	Stantec	2.11
8	AKF Group LLC	1.40
9	Thornton Tomasetti	1.11
10	HOK	0.84
11	Davis Brody Bond	0.75
12	McLaren Engineering Group	0.69
13	SUPERSTRUCTURES Engineering + Architecture, PLLC	0.66
14	Joseph R. Loring & Associates	0.65
15	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.64
16	Greenman-Pedersen	0.61
17	Ammann & Whitney	0.60
18	Paulus Sokolowski & Sartor LLC	0.50
19	CetraRuddy	0.44
20	DMR Architects	0.43
21	Tectonic Engineering & Surveying Consultants P.C.	0.40
22	Spiezle Architectural Group	0.35
23	Wiss, Janney, Elstner Associates	0.3
24	OLA Consulting Engineers PC	0.20
25	GACE Consulting Engineers	0.16
26	EwingCole	0.15
27	LaBella Associates PC	0.13
28	Syska Hennessy Group	0.13
29	Sam Schwartz Engineering	0.10
29	Swanke Hayden Connell Architects	0.10
29	Swanke Hayden Connell Architects	0.10
29	C&S Cos.	0.10
32	Robert A.M. Stern Architects LLP	0.08
33	The Switzer Group	0.06
34	SWBR Architecture, Engineering & Landscape Architecture PC	0.06
35	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.03
36	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	0.03
37	xKohn Pedersen Fox Associates (KPF)	0.02
38	Weidlinger Associates	0.01

Retail

Rank	Firm	($Mil)
1	Bergmann Associates	14.77
2	Gensler	13.38
3	Callison	10.12
4	BL Cos.	7.04
5	Perkins Eastman	3.49
6	MulvannyG2 Architectur	3.13
7	Stantec	3.03
8	Highland Associates	2.90
9	Arup	2.75
10	Beyer Blinder Belle Architects & Planners LLP	2.74
11	Gruskin Architecture + Design PC	2.62
12	Langan	2.60
13	Tectonic Engineering & Surveying Consultants P.C.	2.20
14	T&M Associates	2.10
15	STV	1.77
16	AKF Group LLC	1.54
17	CASCO Diversified Professional	1.25
18	WSP USA	1.25
19	H3 Hardy Collaboration Architecture	1.18
20	T.Y. Lin International	1.14
21	GACE Consulting Engineers	1.09
22	Paulus Sokolowski & Sartor LLC	0.90
23	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.64
24	SWBR Architecture, Engineering & Landscape Architecture PC	0.54
25	AECOM	0.51
26	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.50
27	Wiss, Janney, Elstner Associates	0.50
28	McLaren Engineering Group	0.49
29	OLA Consulting Engineers PC	0.45
30	Fletcher-Thompson	0.40
30	MINNO & WASKO Architects and Planners PC	0.40
32	Tighe & Bond	0.23
33	Greenman-Pedersen	0.21
34	Sam Schwartz Engineering	0.20
35	The Switzer Group	0.19
36	VOA Architecture, PLLC	0.16
37	Dagher Engineering	0.15
38	KMB Design Group, LLC	0.14
39	Joseph R. Loring & Associates	0.12
39	Milone & MacBroom	0.12
41	P.W. Grosser Consulting	0.08
42	JFK&M Consulting Group LLC	0.07
43	Thornton Tomasetti	0.04
44	Dewberry	0.04
46	Vanderweil Engineers	0.03
47	Antinozzi Associates PC	0.02
48	Kohn Pedersen Fox Associates (KPF)	0.01
49	Weidlinger Associates	0.01

Hazardous Waste

Rank	Firm	($Mil)
1	ARCADIS U.S.	194.44
2	AECOM	38.62
3	Langan	20.84
4	GEI Consultants	18.67
5	Haley & Aldrich	14.92
6	Birdsall Services Group	12.20
7	Hatch Mott MacDonald	6.38
8	Dvirka and Bartilucci Consulting Engineers	5.84
9	LaBella Associates PC	5.05
10	Paulus Sokolowski & Sartor LLC	3.40
11	CHA	2.70
12	T&M Associates	1.98
14	STV	1.77
15	Dewberry	1.67
16	WSP USA	0.62
17	Gannett Fleming Engineers and Architects PC	0.51
18	Wiss, Janney, Elstner Associates	0.42
19	Burns & McDonnell	0.37
20	BL Cos.	0.26
21	C&S Cos.	0.20
22	P.W. Grosser Consulting	0.18
23	Milone & MacBroom	0.17
24	Stantec	0.10
25	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.02

Master-Planned Development/Site Infrastructure

Rank	Firm	($Mil)
1	Birdsall Services Group	9.80
2	STV	3.55
3	Beyer Blinder Belle Architects & Planners LLP	3.53
4	Langan	3.47
5	C&S Cos.	2.00
6	CHA	1.40
7	Stantec	1.25
8	Greenman-Pedersen	1.25
9	LaBella Associates PC	1.06
10	Bergmann Associates	1.00
11	T&M Associates	1.00
12	Perkins+Will New York	0.84
13	McLaren Engineering Group	0.74
14	Gruzen Samton • IBI Group	0.50
15	Milone & MacBroom	0.42
16	Gensler	0.34
17	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.25
18	Davis Brody Bond	0.24
19	P.W. Grosser Consulting	0.14
20	Sam Schwartz Engineering	0.10
21	Robert A.M. Stern Architects LLP	0.01

Sports/Recreation

Rank	Firm	($Mil)
1	Langan	6.08
2	McLaren Engineering Group	1.82
3	STV	1.77
4	T&M Associates	1.50
4	Sam Schwartz Engineering	1.50
6	Milone & MacBroom	1.29
7	Stantec	0.89
8	Atkins	0.85
9	Perkins Eastman	0.70
10	Thornton Tomasetti	0.69
11	Greenman-Pedersen	0.61
12	Hatch Mott MacDonald	0.42
13	C&S Cos.	0.40
14	MINNO & WASKO Architects and Planners PC	0.35
15	HARDESTY & HANOVER LLP	0.30
15	OLA Consulting Engineers PC	0.30
17	Wiss, Janney, Elstner Associates	0.21
18	EwingCole	0.20
19	BL Cos.	0.18
20	Spiezle Architectural Group	0.18
21	Arup	0.13
22	Gensler	0.05
23	Highland Associates	0.05
24	Weidlinger Associates	0.04
25	Perkins+Will New York	0.03
26	Parsons Brinckerhoff	0.02
27	T.Y. Lin International	0.01

Petroleum

Rank	Firm	($Mil)
1	Hatch Mott MacDonald	6.37
2	STV	3.55
3	Stantec	2.76
4	Paulus Sokolowski & Sartor LLC	0.50
5	Altran Solutions	0.49
6	Arup	0.37
7	Tectonic Engineering & Surveying Consultants P.C.	0.15
8	P.W. Grosser Consulting	0.14
9	Sam Schwartz Engineering	0.10
10	BL Cos.	0.09
11	Wiss, Janney, Elstner Associates	0.05

Industrial Process

Rank	Firm	($Mil)
1	Stantec	8.59
2	Paulus Sokolowski & Sartor LLC	7.70
3	CHA	5.20
4	C&S Cos.	2.00
5	STV	1.77
6	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.7
7	T&M Associates	0.50
8	T.Y. Lin International	0.14
9	Altran Solutions	0.03
10	Wiss, Janney, Elstner Associates	0.01

Manufacturing

Rank	Firm	($Mil)
1	CHA	20.70
2	WSP USA	3.35
3	Bergmann Associates	2.71
4	M/E Engineering PC	2.27
5	C&S Cos.	2.00
6	STV	1.77
7	GEI Consultants	0.97
98	Highland Associates	0.80
9	LaBella Associates PC	0.75
10	SWBR Architecture, Engineering & Landscape Architecture PC	0.71
11	BL Cos.	0.49
12	Stantec	0.45
13	Milone & MacBroom	0.26
14	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.13

Sewerage/Solid Waste

Rank	Firm	($Mil)
1	ARCADIS U.S.	41.39
2	Dvirka and Bartilucci Consulting Engineers	24.86
3	AECOM	22.98
4	Greeley and Hansen	16.65
5	Hatch Mott MacDonald	13.40
6	MWH Global	13.21
7	T&M Associates	8.00
8	Paulus Sokolowski & Sartor LLC	4.30
9	CHA	3.50
9	Birdsall Services Group	3.50
11	Tighe & Bond	2.96
12	Dewberry	1.91
13	Tectonic Engineering & Surveying Consultants P.C.	1.00
14	Stantec	0.78
15	LaBella Associates PC	0.58
16	C&S Cos.	0.50
16	AI Engineers	0.50
18	Milone & MacBroom	0.45
19	P.W. Grosser Consulting	0.41
20	Greenman-Pedersen	0.29
21	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.03
22	Wiss, Janney, Elstner Associates	0.02
23	T.Y. Lin International	0.02
24	Gannett Fleming Engineers and Architects PC	0.01

Power

Rank	Firm	($Mil)
1	Burns & McDonnell	22.42
2	Parsons Brinckerhoff	16.56
3	Altran Solutions	16.15
4	AECOM	14.27
5	CHA	12.80
6	Vanderweil Engineers	6.81
7	BL Cos.	5.60
8	Stantec	3.24
9	Paulus Sokolowski & Sartor LLC	2.80
10	LaBella Associates PC	2.56
11	KMB Design Group, LLC	2.41
12	Haley & Aldrich	2.34
13	C&S Cos.	2.00
14	GEI Consultants	1.83
15	STV	1.77
16	VHB Engineering, Survey and Landscape Architecture PC	1.50
17	WSP USA	1.40
18	Dewberry	0.78
19	McLaren Engineering Group	0.71
20	Tectonic Engineering & Surveying Consultants P.C.	0.70
21	AKF Group LLC	0.67
22	Greenman-Pedersen	0.64
23	AI Engineers	0.60
24	MWH Global	0.48
25	Syska Hennessy Group	0.33
26	Sam Schwartz Engineering	0.20
27	Tighe & Bond	0.10
28	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.02
29	Hatch Mott MacDonald	0.01

Telecommunications

Rank	Firm	($Mil)
1	Tectonic Engineering & Surveying Consultants P.C.	10.90
2	Highland Associates	5.70
3	WSP USA	4.56
4	Dewberry	4.51
5	Arup	3.77
6	KMB Design Group, LLC	3.58
7	Syska Hennessy Group	3.09
8	Gensler	0.98
9	Joseph R. Loring & Associate	0.91
10	VHB Engineering, Survey and Landscape Architecture PC	0.71
11	Wiss, Janney, Elstner Associates	0.69
12	Thornton Tomasetti	0.57
13	C&S Cos.	0.50
14	AKF Group LLC	0.31
15	Paulus Sokolowski & Sartor LLC	0.30
16	Stantec	0.28
17	CHA	0.20
18	Vanderweil Engineers	0.09
19	SWBR Architecture, Engineering & Landscape Architecture PC	0.07

Water Supply

Rank	Firm	($Mil)
1	ARCADIS U.S.	53.34
2	AECOM	15.36
3	Hatch Mott MacDonald	12.76
4	Gannett Fleming Engineers and Architects PC	10.36
5	Tighe & Bond	4.12
6	C&S Cos.	4.00
7	MWH Global	3.37
8	T&M Associates	3.10
9	Bergmann Associates	2.96
10	T.Y. Lin International	2.18
11	Stantec	1.85
12	Dvirka and Bartilucci Consulting Engineers	1.83
13	Birdsall Services Group	1.80
14	Milone & MacBroom	1.61
15	Arup	1.23
16	LaBella Associates PC	1.19
17	Parsons Brinckerhoff	1.04
18	CHA	0.90
19	GEI Consultants	0.89
20	Dewberry	0.87
21	P.W. Grosser Consulting	0.38
22	Paulus Sokolowski & Sartor LLC	0.30
23	Greeley and Hansen	0.27
24	Tectonic Engineering & Surveying Consultants P.C.	0.20
24	AI Engineers	0.20
26	Atkins	0.11
27	Greenman-Pedersen	0.10
28	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.01
29	Collins Engineers	0.01

Architecture

Rank	Firm	($Mil)
1	Perkins Eastman	52.42
2	Ennead Architects	50.04
3	Gensler	35.73
4	The S/L/A/M Collaborative	27.07
5	STV	26.60
6	Kohn Pedersen Fox Associates (KPF	25.71
7	AECOM	20.88
8	HOK	19.09
9	Swanke Hayden Connell Architects	18.00
10	Davis Brody Bond	17.80
11	Beyer Blinder Belle Architects & Planners LLP	17.50
12	SWBR Architecture, Engineering & Landscape Architecture PC	13.78
13	Stantec	13.74
14	Robert A.M. Stern Architects LLP	12.23
15	Array Architects	12.00
16	Gruzen Samton • IBI Group	10.50
17	Fletcher-Thompson	10.12
18	SUPERSTRUCTURES Engineering + Architecture, PLLC	10.00
19	Spiezle Architectural Group	8.85
20	Perkins+Will New York	8.49
21	Parsons Brinckerhoff	8.04
22	CetraRuddy	7.88
23	CSArch Architecture | Engineering | Construction Management	7.51
24	Bergmann Associates	7.10
25	SEI Design Group	7.08
26	WASA / Studio A - Wank Adams Slavin Assoc. LLP	6.89
27	LAN Assoc., Engineering, Planning, Architecture, Surveying	5.99
28	Stonehill & Taylor Architects PC	5.88
29	Highland Associates	5.80
30	Antinozzi Associates PC	5.12
31	LaBella Associates PC	4.57
32	MINNO & WASKO Architects and Planners PC	4.50
32	Edward D'Orazio, AIA Architects	4.50
34	BL Cos.	4.09
35	Ammann & Whitney	4.00
36	H3 Hardy Collaboration Architecture	3.86
37	Paulus Sokolowski & Sartor LLC	3.70
38	Gruskin Architecture + Design PC	3.34
39	Beardsley Design Associates	3.32
40	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	3.25
41	EwingCole	3.22
42	MulvannyG2 Architecture	3.13
43	Wiss, Janney, Elstner Associates	2.51
44	Callison	2.43
45	DMR Architects	2.41
46	C&S Cos.	2.00
47	Arcari & Iovino Architects PC	1.80
48	VOA Architecture, PLLC	1.61
49	Gannett Fleming Engineers and Architects PC	0.98
50	CASCO Diversified Professional	0.68
51	The Switzer Group	0.63
52	Ware Malcomb	0.59
53	Thornton Tomasetti	0.56
54	Greeley and Hansen	0.51
55	T.Y. Lin International	0.45
56	Hatch Mott MacDonald	0.41
57	CHA	0.40
58	Altran Solutions	0.33
59	Walker Parking Consultants	0.32
60	Tectonic Engineering & Surveying Consultants P.C.	0.25
61	McLaren Engineering Group	0.21
62	MWH Global	0.17
63	Atkins	0.17
64	HNTB	0.16
65	9X30 Design, Architecture LLP	0.11

Transportation

Rank	Firm	($Mil)
1	AECOM	144.38
2	Parsons Brinckerhoff	133.44
3	Greenman-Pedersen	100.25
4	HNTB	86.10
5	STV	56.74
6	Arup	52.04
7	Dewberry	46.33
8	HARDESTY & HANOVER LLP	42.70
9	Ammann & Whitney	38.30
10	Stantec	34.40
11	WSP USA	32.63
12	Gannett Fleming Engineers and Architects PC	30.84
13	Weidlinger Associates	23.07
14	Tectonic Engineering & Surveying Consultants P.C.	22.03
15	CHA	20.30
16	T&M Associates	19.60
17	H.W. Lochner, Inc	15.45
18	VHB Engineering, Survey and Landscape Architecture PC	15.22
19	C&S Cos.	13.10
20	Hatch Mott MacDonald	13.07
21	T.Y. Lin International	11.72
22	Erdman Anthony	10.64
23	Gensler	9.73
24	Bergmann Associates	9.50
25	KS Engineers PC	9.00
26	McLaren Engineering Group	8.27
27	Sam Schwartz Engineering	6.23
28	AI Engineers	6.00
29	Atkins	4.58
30	LaBella Associates PC	4.57
31	BL Cos.	3.93
32	Milone & MacBroom	3.48
33	Birdsall Services Group	2.30
34	Tighe & Bond	2.04
35	Dvirka and Bartilucci Consulting Engineers	2.00
36	Langan	1.74
37	Haley & Aldrich	1.19
38	Gruzen Samton • IBI Group	1.00
39	HOK	0.80
40	Thornton Tomasetti	0.79
41	P.W. Grosser Consulting	0.60
42	Syska Hennessy Group	0.59
43	Collins Engineers	0.53
44	GEI Consultants	0.48
45	Beyer Blinder Belle Architects & Planners LLP	0.38
46	AKF Group LLC	0.32
47	Wiss, Janney, Elstner Associates	0.27
48	ARCADIS U.S.	0.26
49	Joseph R. Loring & Associates	0.13
50	Vanderweil Engineers	0.10
51	SWBR Architecture, Engineering & Landscape Architecture PC	0.01
52	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	0.01
53	Antinozzi Associates PC	0.01

Exterior Facade Design

Rank	Firm	($Mil)
1	Thornton Tomasetti	6.88
2	Stantec	4.75
3	STV	1.77
4	McLaren Engineering Group	1.45
5	Arup	1.12
6	EwingCole	1.01
7	SUPERSTRUCTURES Engineering + Architecture, PLLC	0.75
8	Callison	0.61
9	Highland Associates	0.60
10	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.58
11	MWH Global	0.34
12	C&S Cos.	0.30
13	DMR Architects	0.25
14	Paulus Sokolowski & Sartor LLC	0.20
15	CASCO Diversified Professional	0.17
16	The Switzer Group	0.13
17	Antinozzi Associates PC	0.10

Landscape Architecture

Rank	Firm	($Mil)
1	CHA	5.00
2	Perkins Eastman	2.10
3	Wiss, Janney, Elstner Associates	2.00
4	Stantec	1.93
5	AECOM	1.81
6	STV	1.77
7	Langan	1.74
8	Milone & MacBroom	1.50
9	Greenman-Pedersen	1.31
10	The S/L/A/M Collaborative	1.24
11	Fletcher-Thompson	0.92
12	T&M Associates	0.80
13	Bergmann Associates	0.65
14	Birdsall Services Group	0.50
14	C&S Cos.	0.50
16	Hatch Mott MacDonald	0.43
17	BL Cos.	0.31
18	Paulus Sokolowski & Sartor LLC	0.30
19	McLaren Engineering Group	0.23
20	HOK	0.22
21	MWH Globa	0.17
22	DMR Architects	0.15
23	Beardsley Design Associates	0.08
24	Tectonic Engineering & Surveying Consultants P.C.	0.05
25	Robert A.M. Stern Architects LLP	0.03
26	Dewberry	0.01

Interior Design

Rank	Firm	($Mil)
1	Gensler	75.92
2	Perkins Eastman	13.98
3	Swanke Hayden Connell Architects	12.60
4	Callison	9.13
5	HOK	7.41
6	Perkins+Will New York	7.05
7	Array Architects	6.00
8	Stonehill & Taylor Architects PC	5.88
9	Stantec	5.40
10	The Switzer Group	5.23
11	Edward D'Orazio, AIA Architects	4.00
12	STV	3.55
13	VOA Architecture, PLLC	2.41
14	EwingCole	2.01
15	CetraRuddy	1.96
16	Beyer Blinder Belle Architects & Planners LLP	1.78
17	Gruzen Samton • IBI Group	1.50
18	DMR Architects	1.30
18	Antinozzi Associates PC	1.30
20	The S/L/A/M Collaborative	1.24
21	Bergmann Associates	1.10
22	Highland Associates	0.90
23	MINNO & WASKO Architects and Planners PC	0.80
24	Fletcher-Thompson	0.74
25	Paulus Sokolowski & Sartor LLC	0.60
26	H3 Hardy Collaboration Architecture	0.50
27	Ware Malcomb	0.36
28	WASA / Studio A - Wank Adams Slavin Assoc. LLP	0.35
29	Robert A.M. Stern Architects LLP	0.34
30	Beardsley Design Associates	0.25
31	MWH Global	0.17
33	SWBR Architecture, Engineering & Landscape Architecture PC	0.15
34	C&S Cos.	0.10

Environmental & Geotechnical Engineering

Rank	Firm	($Mil)
1	AECOM	65.56
2	Langan	49.48
3	Dvirka and Bartilucci Consulting Engineers	32.53
4	GEI Consultants	25.18
5	Parsons Brinckerhoff	24.13
6	Haley & Aldrich	21.50
7	Birdsall Services Group	12.20
8	Paulus Sokolowski & Sartor LLC	10.20
9	Hatch Mott MacDonald	10.12
10	Gannett Fleming Engineers and Architects PC	9.93
11	STV	8.87
12	CHA	8.10
13	Stantec	7.48
14	MWH Global	6.82
15	WSP USA	6.44
16	Arup	6.19
17	P.W. Grosser Consulting	5.96
18	Burns & McDonnell	5.51
19	BL Cos.	5.09
20	LaBella Associates PC	5.05
21	Milone & MacBroom	4.10
22	C&S Cos.	4.00
23	VHB Engineering, Survey and Landscape Architecture P.C.	3.80
24	Tectonic Engineering & Surveying Consultants P.C.	3.16
25	T&M Associates	3.10
26	Dewberry	3.08
27	Greenman-Pedersen	2.95
28	Tighe & Bond	1.98
29	LAN Assoc., Engineering, Planning, Architecture, Surveying	1.48
30	Bergmann Associates	1.10
31	Weidlinger Associates	0.50
32	McLaren Engineering Group	0.49
33	AI Engineers	0.35
35	Atkins	0.18
36	Beardsley Design Associates	0.17

Structural Engineering

Rank	Firm	($Mil)
1	AECOM	69.15
2	Parsons Brinckerhoff	48.27
3	Greenman-Pedersen	39.14
4	HARDESTY & HANOVER LLP	38.80
5	STV	35.46
6	HNTB	32.77
7	Weidlinger Associates	28.41
8	Thornton Tomasetti	26.14
9	Ammann & Whitney	22.00
10	WSP USA	20.74
11	Arup	18.75
12	Dewberry	16.57
13	Stantec	13.48
14	McLaren Engineering Group	8.99
15	GACE Consulting Engineers	8.74
16	SUPERSTRUCTURES Engineering + Architecture PLLC	7.25
17	CHA	5.80
18	Bergmann Associates	5.5
19	KS Engineers PC	5.00
20	Burns & McDonnell	4.73
21	T&M Associates	4.50
22	H.W. Lochner, Inc	4.00
22	C&S Cos.	4.00
24	Paulus Sokolowski & Sartor LLC	2.00
24	AI Engineers	2.00
26	Hatch Mott MacDonald	1.97
27	Fletcher-Thompson	1.84
28	MWH Global	1.71
29	LaBella Associates PC	1.57
30	The S/L/A/M Collaborative	1.56
31	MINNO & WASKO Architects and Planners PC	1.55
32	Tectonic Engineering & Surveying Consultants P.C.	1.50
33	Gannett Fleming Engineers and Architects PC	1.50
34	Birdsall Services Group	1.20
35	Walker Parking Consultants	0.97
36	EwingCole	0.91
37	Erdman Anthony	0.86
38	Altran Solutions	0.83
39	Beardsley Design Associates	0.83
40	T.Y. Lin International	0.75
41	HOK	0.58
43	Collins Engineers	0.55
44	BL Cos.	0.43
45	Highland Associates	0.30
46	DMR Architects	0.25
47	CASCO Diversified Professional	0.17
48	Tighe & Bond	0.10
49	SWBR Architecture, Engineering & Landscape Architecture PC	0.02
50	9X30 Design, Architecture LLP	0.01

Civil Engineering

Rank	Firm	($Mil)
1	AECOM	75.32
2	Parsons Brinckerhoff	64.36
3	STV	62.0
4	Greenman-Pedersen	53.40
5	CHA	48.20
6	Tectonic Engineering & Surveying Consultants P.C.	46.93
7	Dewberry	40.67
8	HNTB	37.28
9	Hatch Mott MacDonald	33.90
10	Stantec	32.90
11	Langan	30.39
12	Gannett Fleming Engineers and Architects PC	28.90
13	WSP USA	28.65
14	C&S Cos.	22.00
15	T&M Associates	20.70
16	VHB Engineering, Survey and Landscape Architecture PC	20.00
17	T.Y. Lin International	19.26
18	Ammann & Whitney	18.80
19	Arup	18.59
20	Greeley and Hansen	12.69
21	Bergmann Associates	11.50
22	H.W. Lochner, Inc	11.45
23	Tighe & Bond	10.34
24	Sam Schwartz Engineering	10.33
25	Birdsall Services Group	9.80
26	Milone & MacBroom	6.49
27	Paulus Sokolowski & Sartor LLC	6.30
28	AI Engineers	5.75
29	Atkins	5.56
30	MWH Global	5.12
31	KS Engineers PC	5.00
32	McLaren Engineering Group	4.72
33	HARDESTY & HANOVER LLP	4.20
34	LaBella Associates PC	3.63
35	Burns & McDonnell	3.55
36	Weidlinger Associates	3.00
37	Altran Solutions	2.50
38	BL Cos.	2.47
39	P.W. Grosser Consulting	2.09
40	Dvirka and Bartilucci Consulting Engineers	2.00
41	Erdman Anthony	1.51
42	Beardsley Design Associates	0.83
43	Fletcher-Thompson	0.55
45	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.32
46	DMR Architects	0.09

MEP Engineering

Rank	Firm	($Mil)
1	AECOM	78.88
2	AKF Group LLC	38.78
3	STV	35.46
4	WSP USA	33.52
5	M/E Engineering PC	22.69
6	Arup	22.59
7	Syska Hennessy Group	19.10
8	Vanderweil Engineers	18.86
9	Parsons Brinckerhoff	16.09
10	CHA	16.00
11	C&S Cos.	13.00
12	Stantec	12.70
13	Joseph R. Loring & Associates	12.00
14	Altran Solutions	11.67
15	Edwards and Zuck PC	10.36
16	JFK&M Consulting Group LLC	9.43
17	Burns & McDonnell	8.50
18	Highland Associates	8.30
19	Greenman-Pedersen	8.19
20	Bergmann Associates	6.20
21	OLA Consulting Engineers PC	5.50
22	Hatch Mott MacDonald	5.41
23	Paulus Sokolowski & Sartor LLC	5.30
24	Erdman Anthony	5.05
25	Wiss, Janney, Elstner Associates	5.01
26	Birdsall Services Group	4.70
27	LaBella Associates PC	4.57
28	WASA / Studio A - Wank Adams Slavin Assoc. LLP	4.46
29	Fletcher-Thompson	3.68
30	Dagher Engineering	3.00
31	EwingCole	2.92
32	Beardsley Design Associates	2.82
33	KMB Design Group, LLC	2.59
34	CSArch Architecture | Engineering | Construction Management	2.29
35	Greeley and Hansen	2.20
36	T&M Associates	2.00
37	MINNO & WASKO Architects and Planners PC	1.75
38	MWH Global	1.71
39	Dewberry	1.53
40	DMR Architects	1.35
41	AI Engineers	1.00
42	BL Cos.	0.83
43	Thornton Tomasetti	0.45
44	CASCO Diversified Professional	0.34
45	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.13
46	HOK	0.11
47	Tighe & Bond	0.10
48	T.Y. Lin International	0.01

Surveying & Mapping

Rank	Firm	($Mil)
1	Greenman-Pedersen	6.55
2	Langan	5.21
3	Tectonic Engineering & Surveying Consultants P.C.	3.36
4	Hatch Mott MacDonald	2.93
5	Birdsall Services Group	2.90
6	Paulus Sokolowski & Sartor LLC	2.20
7	CHA	2.10
8	BL Cos.	2.00
9	KS Engineers PC	2.00
10	Stantec	1.96
11	Milone & MacBroom	1.80
12	STV	1.77
13	Bergmann Associates	1.65
14	T&M Associates	1.00
15	MWH Global	0.85
16	Erdman Anthony	0.65
17	Fletcher-Thompson	0.55
18	Burns & McDonnell	0.51
19	Wiss, Janney, Elstner Associates	0.50
20	AI Engineers	0.50
21	LAN Assoc., Engineering, Planning, Architecture, Surveying	0.41
22	Tighe & Bond	0.34
23	McLaren Engineering Group	0.27
24	WSP USA	0.24
25	LaBella Associates PC	0.23
26	Dewberry	0.11
27	T.Y. Lin International	0.11
28	Atkins	0.01

Green Design

Rank	Firm	($Mil)
1	Arup	81.14
2	STV	67.63
3	Gensler	50.24
4	Ennead Architects	42.55
5	WSP USA	23.39
6	The S/L/A/M Collaborative	22.00
7	Perkins Eastman	20.97
8	HOK	16.80
9	Fletcher-Thompson	10.00
10	Thornton Tomasetti	9.60
11	Perkins+Will New York	9.21
12	Gruzen Samton • IBI Group	9.00
13	Stantec	8.76
14	Syska Hennessy Group	8.41
15	Robert A.M. Stern Architects LLP	8.12
16	EwingCole	8.10
17	Davis Brody Bond	7.13
18	Birdsall Services Group	6.10
19	Beyer Blinder Belle Architects & Planners LLP	5.68
20	M/E Engineering PC	5.00
20	C&S Cos.	5.00
22	Bergmann Associates	4.41
23	Paulus Sokolowski & Sartor LLC	4.00
24	Beardsley Design Associates	3.74
25	Joseph R. Loring & Associates	3.50
26	Vanderweil Engineers	3.38
27	SWBR Architecture, Engineering & Landscape Architecture PC	2.91
28	H3 Hardy Collaboration Architecture	2.70
29	KMB Design Group, LLC	2.49
30	Parsons Brinckerhoff	2.33
31	Dagher Engineering	2.00
32	WASA / Studio A - Wank Adams Slavin Assoc. LLP	1.91
33	CetraRuddy	1.79
34	OLA Consulting Engineers PC	1.75
35	Haley & Aldrich	1.57
36	JFK&M Consulting Group LLC	1.50
37	Edwards and Zuck PC	1.35
38	Dewberry	1.30
39	RKT&B (Rothzeid Kaiserman Thomson & Bee PC)	1.26
40	Kohn Pedersen Fox Associates (KPF)	1.15
41	Weidlinger Associates	1.01
42	Sam Schwartz Engineering	1.00
43	Spiezle Architectural Group	0.98
44	P.W. Grosser Consulting	0.85
45	Swanke Hayden Connell Architects	0.75
46	MINNO & WASKO Architects and Planners PC	0.65
47	Gannett Fleming Engineers and Architects PC	0.63
48	Erdman Anthony	0.60
49	AKF Group LLC	0.52
50	GACE Consulting Engineers	0.45
51	Highland Associates	0.30
52	Gruskin Architecture + Design PC	0.26
53	Arcari & Iovino Architects PC	0.25
54	Ware Malcomb	0.23
55	9X30 Design, Architecture LLP	0.12
56	Ammann & Whitney	0.10
57	Milone & MacBroom	0.10
58	CASCO Diversified Professional	0.08
59	LaBella Associates PC	0.06
60	SEI Design Group	0.05
61	Dvirka and Bartilucci Consulting Engineers	0.03