ENR West Top Design Firms By Market Sector 2026

June 2026

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

 

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More detailed information on the Top Design Firms:
View Complete List of Main Rankings

Related Article:
West Coast Design Firms Regain Their Momentum

Click below for earlier editions:
2025 |

Click here for archived ENR California & Northwest top lists.

 

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ENR West Top Design Firms By Market Sector 2026

 

Alaska

RANK	FIRM	$ MIL.
1	HDR	37.68
2	Arcadis North America	29.57
3	R&M Consultants Inc.	29.22
4	Stantec	26.91
5	WSP USA	22.33
6	Michael Baker International	17.17
7	AECOM	11.65
8	Woolpert	7.02
9	Dewberry	4.05
10	Salas O’Brien	3.07
11	NBBJ	2.50
12	Moffatt & Nichol	2.28
13	Burns & McDonnell	2.05
14	RS&H Inc.	1.82
15	Parametrix	1.63

 

California

RANK	FIRM	$ MIL.
1	AECOM	799.43
2	Stantec	578.08
3	HDR	551.11
4	WSP USA	467.12
5	Kimley-Horn	328.83
6	HNTB Corp.	278.13
7	TRC Cos.	274.46
8	BKF	215.96
9	Parsons	195.60
10	Kleinfelder Inc.	195.41
11	Arup US Inc.	178.89
12	SmithGroup	172.00
13	AtkinsRéalis	168.36
14	Burns & McDonnell	160.89
15	Michael Baker International	146.01

 

Hawaii

RANK	FIRM	$ MIL.
1	AECOM	107.54
2	Parsons	76.10
3	WSP USA	59.30
4	HDR	51.73
5	Stantec	47.13
6	Moffatt & Nichol	26.73
7	Burns & McDonnell	23.99
8	AtkinsRéalis	8.66
9	Allana Buick & Bers Inc.	8.00
10	Kennedy/Jenks Consultants Inc.	7.10
11	Dewberry	6.60
12	SWCA Environmental Consultants	4.99
13	Salas O’Brien	4.93
14	HKS	3.99
15	Kleinfelder Inc.	3.92

 

Oregon

RANK	FIRM	$ MIL.
1	David Evans Enterprises Inc.	127.50
2	HDR	82.82
3	Stantec	73.52
4	WSP USA	66.50
5	TRC Cos.	47.57
6	ZGF	35.19
7	CO Architects	28.61
8	Parametrix	27.17
9	PAE Consulting Engineers Inc.	26.48
10	Burns & McDonnell	21.36
11	Ankrom Moisan Architects Inc.	16.15
12	Interface Engineering Inc.	14.19
13	RS&H Inc.	12.83
14	Kennedy/Jenks Consultants Inc.	12.11
15	Terracon	12.00

 

Washington

RANK	FIRM	$ MIL.
1	WSP USA	309.32
2	HDR	164.39
3	HNTB Corp.	159.30
4	Parametrix	147.30
5	AECOM	147.25
6	Stantec	92.51
7	David Evans Enterprises Inc.	80.50
8	Kimley-Horn	76.42
9	Mott MacDonald	43.37
10	TRC Cos.	31.81
11	DLR Group	30.10
12	GFT	29.40
13	Burns & McDonnell	27.95
14	Moffatt & Nichol	27.30
15	Terracon	25.50

 

Mixed Use

RANK	FIRM	$ MIL.
1	BKF	37.20
2	Stantec	27.56
3	Kimley-Horn	13.84
4	DLR Group	10.05
5	DAHLIN Architecture | Planning | Interiors	7.40
6	Arcadis North America	6.21
7	Michael Baker International	5.15
8	WSP USA	4.73
9	BAR Architects & Interiors	4.14
10	AECOM	3.86
11	Langan	3.30
12	common arts	2.70
13	Steinberg Hart	2.52
14	Kier + Wright	1.92
15	Bowman Consulting Group Ltd. (Bowman)	1.54

 

Transportation

RANK	FIRM	$ MIL.
1	HNTB Corp.	428.62
2	WSP USA	426.87
3	AECOM	426.23
4	HDR	415.46
5	Parsons	219.10
6	Kimley-Horn	195.39
7	AtkinsRéalis	139.19
8	Moffatt & Nichol	129.23
9	Mott MacDonald	127.29
10	David Evans Enterprises Inc.	121.90
11	Mark Thomas	116.80
12	GFT	113.10
13	Parametrix	104.36
14	BKF	85.84
15	Stantec	84.80
16	TRC Cos.	63.38
17	Corgan	62.62
18	STV	61.80
19	Kleinfelder Inc.	54.33
20	Arup US Inc.	53.77

 

Government/Public Building

RANK	FIRM	$ MIL.
1	Burns & McDonnell	39.31
2	Stantec	37.19
3	DLR Group	29.10
4	WSP USA	26.93
5	Michael Baker International	26.76
6	HMC Architects	19.86
7	BKF	17.66
8	Salas O’Brien	14.95
9	AECOM	14.64
10	HDR	12.95
11	Bowman Consulting Group Ltd. (Bowman)	9.21
12	PAE Consulting Engineers Inc.	7.91
13	Kimley-Horn	7.89
14	Dewberry	6.84
15	GFT	6.30
16	Arup US Inc.	5.94
17	Buehler	5.02
18	IMEG	5.00
19	Ninyo & Moore, A SOCOTEC Company	4.00
20	Ruhnau Clarke Architects	3.93

 

Education

RANK	FIRM	$ MIL.
1	HMC Architects	71.70
2	DLR Group	61.41
3	Quattrocchi Kwok Architects	43.26
4	Ruhnau Clarke Architects	36.73
5	AECOM	31.85
6	SmithGroup	24.34
7	Ninyo & Moore, A SOCOTEC Company	23.60
8	PAE Consulting Engineers Inc.	13.71
9	Arcadis North America	13.67
10	WSP USA	12.81
11	BKF	11.48
12	ZGF	11.30
13	IMEG	11.00
14	Steinberg Hart	10.48
15	Salas O’Brien	9.41
16	Terracon	8.70
17	Affiliated Engineers Inc. (AEI)	6.05
18	DAHLIN Architecture | Planning | Interiors	5.30
19	Stantec	5.04
20	CO Architects	5.01

 

Health Care

RANK	FIRM	$ MIL.
1	SmithGroup	128.48
2	NBBJ	98.70
3	Stantec	86.44
4	Arup US Inc.	71.07
5	HDR	65.11
6	HMC Architects	52.90
7	CO Architects	47.58
8	ZGF	38.60
9	Taylor Design	31.76
10	Salas O’Brien	31.53
11	WSP USA	28.09
12	AECOM	23.64
13	HKS	18.34
14	PAE Consulting Engineers Inc.	17.62
15	Affiliated Engineers Inc. (AEI)	17.59
16	Kimley-Horn	15.96
17	RBB Architects Inc.	13.54
18	Buehler	11.16
19	IMEG	10.90
20	Terracon	9.40

 

Correctional

RANK	FIRM	$ MIL.
1	DLR Group	14.25
2	AECOM	8.18
3	Dewberry	3.85
4	HDR	1.81
5	Stantec	1.33

 

Religious and Cultural

RANK	FIRM	$ MIL.
1	Dewberry	5.70
2	Arup US Inc.	3.93
3	HKS	3.05
4	AECOM	2.11
5	ZGF	1.91

 

Multi-unit Residential

RANK	FIRM	$ MIL.
1	Steinberg Hart	30.44
2	Kimley-Horn	23.06
3	Carrier Johnson + Culture	17.51
4	Ankrom Moisan Architects Inc.	15.94
5	DAHLIN Architecture | Planning | Interiors	15.80
6	BAR Architects & Interiors	11.51
7	Michael Baker International	10.91
8	WSP USA	9.48
9	Bowman Consulting Group Ltd. (Bowman)	8.54
10	IMEG	7.50
11	common arts	7.36
12	Langan	7.30
13	Arup US Inc.	6.77
14	Stantec	5.93
15	Kier + Wright	5.67
16	PAE Consulting Engineers Inc.	5.47
17	Salas O’Brien	5.39
18	HMC Architects	4.81
19	AtkinsRéalis	4.23
20	Terracon	3.20
21	HKS	2.75
22	SWCA Environmental Consultants	2.61
23	Cannon Corp.	2.50
24	Parametrix	1.40
25	Ninyo & Moore, A SOCOTEC Company	1.30

 

Architecture

RANK	FIRM	$ MIL.
1	Stantec	148.04
2	HMC Architects	121.98
3	SmithGroup	115.25
4	NBBJ	110.70
5	DLR Group	92.80
6	ZGF	91.03
7	Corgan	70.30
8	CO Architects	66.73
9	AECOM	58.49
10	Steinberg Hart	50.34
11	HDR	44.45
12	Quattrocchi Kwok Architects	43.26
13	Ruhnau Clarke Architects	40.94
14	DAHLIN Architecture | Planning | Interiors	32.50
15	Taylor Design	32.32
16	Colliers Engineering & Design	31.12
17	PGAL	25.32
18	HKS	23.00
19	Carrier Johnson + Culture	22.96
20	Common arts	22.72
21	Ankrom Moisan Architects Inc.	19.08
22	PM Design Inc.	18.51
23	Arcadis North America	17.64
24	WSP USA	17.15
25	STV	14.60

 

Power

RANK	FIRM	$ MIL.
1	TRC Cos.	207.16
2	WSP USA	132.18
3	Stantec	126.28
4	AECOM	109.11
5	HDR	107.28
6	Burns & McDonnell	98.60
7	Kleinfelder Inc.	68.81
8	SWCA Environmental Consultants	53.88
9	Electrical Consultants Inc.	45.90
10	Kimley-Horn	36.39
11	David Evans Enterprises Inc.	24.20
12	Westwood Professional Services	22.78
13	AtkinsRéalis	21.46
14	Mark Thomas	19.50
15	Terracon	19.30
16	Atwell LLC	15.93
17	Arup US Inc.	11.70
18	Affiliated Engineers Inc. (AEI)	10.17
19	Langan	10.00
20	Bowman Consulting Group Ltd. (Bowman)	6.79
21	Dewberry	6.03
22	GFT	5.60
23	Michael Baker International	4.97
24	Arcadis North America	4.96
25	BKF	4.82

 

Civil Engineering

RANK	FIRM	$ MIL.
1	AECOM	549.11
2	WSP USA	392.91
3	Kimley-Horn	377.35
4	Stantec	250.69
5	BKF	182.81
6	AtkinsRéalis	180.75
7	Mott MacDonald	129.32
8	Parametrix	122.14
9	GFT	118.00
10	Terracon	117.10
11	Mark Thomas	113.40
12	Michael Baker International	112.17
13	David Evans Enterprises Inc.	102.80
14	Moffatt & Nichol	76.25
15	Kennedy/Jenks Consultants Inc.	56.43
16	Wood Rodgers Inc.	53.34
17	Dewberry	50.31
18	Arcadis North America	47.00
19	Kleinfelder Inc.	36.91
20	Arup US Inc.	34.73
21	Bowman Consulting Group Ltd. (Bowman)	28.78
22	STV	23.50
23	HDR	21.35
24	CHA Consulting Inc.	21.22
25	Langan	20.60