2011

The Top Design Firms list, published annually, 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 List:
View main rankings

Related Article:
Market Recovery Still Lagging for Southeast Designers
ENR Southeast Design Firm of the Year

Click below for earlier editions:
2010 | 2009 | 2008

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Top Florida design firms

Rank	Company/Location	Regional Revenue ($Mil)
1	Atkins North America	181.84
2	AECOM	136.67
3	Jacobs	111.10
4	Reynolds, Smith and Hills Inc.	101.80
5	HNTB Corporation	87.19
6	HDR	80.50
7	CH2M HILL	76.16
8	ARCADIS U.S.	71.39
9	Parsons Brinckerhoff	65.15
10	Universal Engineering Sciences Inc.	34.70
11	TLC Engineering for Architecture	32.46
12	Jones, Edmunds & Associates Inc.	32.33
13	Dyer, Riddle, Mills & Precourt Inc. (DRMP)	32.26
14	Trow Global Holdings Inc.	29.83
15	Gannett Fleming Inc.	27.16
16	CPH Engineers Inc.	23.26
17	HKS Architects Inc.	21.13
18	Kisinger Campo & Associates Corp.	20.47
19	Schenkel & Shultz Inc.	17.87
20	Cardno TBE	17.78

Top georgia design firms

Rank	Company/Location	Regional Revenue ($Mil)
1	CH2M HILL	107.90
2	ARCADIS U.S.	54.03
3	Jacobs	51.64
4	AECOM	38.36
5	Atkins North America	31.42
6	Perkins+Will	21.45
7	HNTB Corporation	19.64
8	Heery International	19.50
9	Lord, Aeck & Sargent	18.20
10	Gresham, Smith and Partners	16.30
11	Merrick & Company	14.90
12	Terracon Consultants Inc.	10.46
13	Parsons Brinckerhoff	10.01
14	Rosser International Inc.	8.70
15	Trow Global Holdings Inc.	8.21
16	HKS Architects Inc.	7.74
17	Stantec	7.52
18	Cooper Carry Inc.	6.52
19	Hatch Mott MacDonald	6.40
20	BRPH Companies Inc.	6.40

Top south carolina design firms

Rank	Company/Location	Regional Revenue ($Mil)
1	CH2M HILL	49.48
2	McMillan Pazdan Smith Architecture LLC	18.00
3	BRPH Companies Inc.	16.46
4	AECOM	13.16
5	Terracon Consultants Inc.	12.10
6	O'Neal Inc.	10.20
7	LS3P ASSOCIATES LTD.	9.94
8	ARCADIS U.S.	7.16
9	STV	6.93
10	GEL Engineering LLC	6.18
11	Stevens & Wilkinson	5.22
12	Seamon Whiteside + Associates	4.60
13	Parsons Brinckerhoff	4.16
14	HDR	3.94
15	Jacobs	3.73
16	Stantec	3.02
17	WK Dickson & Co. Inc.	2.90
18	Collins Engineers Inc.	1.95
19	VOA Associates Incorporated	1.67
20	CJMW Architecture	1.63

Top north carolina design firms

Rank	Company/Location	Regional Revenue ($Mil)
1	HDR	45.34
2	ARCADIS U.S.	39.30
3	AECOM	34.01
4	LS3P ASSOCIATES LTD.	29.53
5	McKim & Creed	28.42
6	CH2M HILL	23.77
7	Perkins+Will	21.86
8	Atkins North America	17.11
9	STV	15.44
10	Terracon Consultants Inc.	13.06
11	Little	13.00
12	HNTB Corporation	10.81
13	WK Dickson & Co. Inc.	10.40
14	Greenhorne & O’Mara	9.75
15	CJMW Architecture	9.42
16	KCI Technologies Inc.	9.10
17	Affiliated Engineers Inc.	8.39
18	Stantec	7.18
19	Parsons Brinckerhoff	6.87
20	Jacobs	6.32

Power

Rank	Company/Location	Regional Revenue ($Mil)
1	CH2M HILL	18.23
2	HDR	18.16
3	AECOM	7.15
4	Atkins North America	5.73
5	Stantec	2.67

Water Supply

Rank	Company/Location	Regional Revenue ($Mil)
1	AECOM	49.63
2	CH2M HILL	44.27
3	ARCADIS U.S.	42.92
4	HDR	11.15
5	Atkins North America	10.15

general building

Rank	Company/Location	Regional Revenue ($Mil)
1	Jacobs	66.77
2	Atkins North America	55.41
3	Perkins+Will	52.15
4	LS3P ASSOCIATES LTD.	33.38
5	Heery International	30.98
6	HKS Architects Inc.	30.92
7	Reynolds, Smith and Hills Inc.	29.10
8	TLC Engineering for Architecture	28.22
9	Universal Engineering Sciences Inc.	22.80
10	CH2M HILL	21.42

Transportation

Rank	Company/Location	Regional Revenue ($Mil)
1	Atkins North America	138.87
2	HNTB Corporation	113.31
3	AECOM	98.43
4	Parsons Brinckerhoff	81.59
5	Reynolds, Smith and Hills Inc.	78.60
6	Jacobs	76.75
7	HDR	75.52
8	ARCADIS U.S.	33.45
9	STV	28.28
10	Kisinger Campo & Associates Corp.	26.10

Sewerage and Solid Waste

Rank	Company/Location	Regional Revenue ($Mil)
1	Jacobs	19.65
2	HDR	19.32
3	Jones, Edmunds & Associates Inc.	18.61
4	Atkins North America	17.10
5	AECOM	15.85
6	CH2M HILL	13.66
7	ARCADIS U.S.	13.59
8	McKim & Creed	10.63
9	CPH Engineers Inc.	4.65
10	Chen Moore and Associates	4.10

Health Care

Rank	Company/Location	Regional Revenue ($Mil)
1	Perkins+Will	25.99
2	Gresham, Smith and Partners	14.19
3	HKS Architects Inc.	13.88
4	Smith Seckman Reid Inc.	11.30
5	TLC Engineering for Architecture	10.21
6	Heery International	9.03
7	HuntonBrady Architects	8.70
8	HDR	8.09
9	RLF Architecture, Engineering, Interior Design	7.38
10	Perkins Eastman	3.50

Architecture

Rank	Company/Location	Regional Revenue ($Mil)
1	Perkins+Will	48.08
2	LS3P ASSOCIATES LTD.	38.83
3	HKS Architects Inc.	26.82
4	Heery International	23.25
5	Jacobs	22.31
6	Schenkel & Shultz Inc.	22.15
7	AECOM	21.49
8	McMillan Pazdan Smith Architecture LLC	18.75
9	Lord, Aeck & Sargent	18.43
10	Reynolds, Smith and Hills Inc.	17.50

Civil Engineering

Rank	Company/Location	Regional Revenue ($Mil)
1	AECOM	200.72
2	HNTB Corporation	104.94
3	Jacobs	104.61
4	HDR	87.31
5	Reynolds, Smith and Hills Inc.	81.50
6	CH2M HILL	80.82
7	Atkins North America	56.51
8	Jones, Edmunds & Associates Inc.	26.84
9	McKim & Creed	19.09
10	Dyer, Riddle, Mills & Precourt Inc. (DRMP)	18.62

Environmental & Geotechnical

Rank	Company/Location	Regional Revenue ($Mil)
1	CH2M HILL	84.46
2	Terracon Consultants Inc.	24.12
3	Universal Engineering Sciences Inc.	12.60
4	HDR	12.58
5	Atkins North America	11.00

mep engineering

Rank	Company/Location	Regional Revenue ($Mil)
1	CH2M HILL	92.03
2	Jacobs	38.26
3	TLC Engineering for Architecture	27.92
4	Affiliated Engineers Inc.	16.03
5	Trow Global Holdings Inc.	12.83

structural engineering

Rank	Company/Location	Regional Revenue ($Mil)
1	Atkins North America	136.60
2	Parsons Brinckerhoff	25.86
3	HDR	15.71
4	STV	14.60
5	HNTB Corporation	10.48

top green design firms

Rank	Company/Location	Regional Revenue ($Mil)
1	Perkins+Will	39.30
2	BRPH Companies Inc.	24.53
3	LS3P ASSOCIATES LTD.	18.21
4	HKS Architects Inc.	17.63
5	Gresham, Smith and Partners	9.83