May 2015
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.
More detailed information on the Top List
Top Design Firms Main Rankings
Related Article:
Regional Design Firms Make Steady Market Gains
Click below for earlier editions:
2014|2013|2012|2011|2010|2009|2008
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
266.70 |
2 |
Atkins North America |
103.04 |
3 |
Kimley-Horn |
102.00 |
4 |
RS&H Inc. |
101.50 |
5 |
HNTB Corp. |
92.27 |
6 |
WSP | Parsons Brinckerhoff |
76.68 |
7 |
Cardno |
76.21 |
8 |
Zachry Group |
72.81 |
9 |
Stantec |
71.44 |
10 |
ARCADIS US/RTKL/Callison |
63.95 |
11 |
Universal Engineering Sciences Inc. |
41.48 |
12 |
DRMP Inc. |
35.15 |
13 |
HKS Inc. |
34.34 |
14 |
Wantman Group Inc. |
34.00 |
15 |
TLC Engineering for Architecture Inc. |
32.13 |
16 |
Terracon Consultants Inc. |
31.98 |
17 |
Gannett Fleming |
27.84 |
18 |
CPH Inc. |
26.61 |
19 |
Jones Edmunds |
26.45 |
20 |
Kisinger Campo & Associates Corp. |
25.61 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
74.55 |
2 |
ARCADIS US/RTKL/Callison |
58.07 |
3 |
Kimley-Horn |
33.02 |
4 |
Cardno |
25.01 |
5 |
Burns & McDonnell |
22.40 |
6 |
HNTB Corp. |
21.46 |
7 |
Gensler |
20.43 |
8 |
Pond & Co. |
20.00 |
9 |
Terracon Consultants Inc. |
19.27 |
10 |
Perkins+Will |
19.15 |
11 |
Cooper Carry Inc. |
15.29 |
12 |
WSP | Parsons Brinckerhoff |
14.75 |
13 |
Michael Baker international |
14.17 |
14 |
Morrison Hershfield |
13.57 |
15 |
Stevens & Wilkinson |
11.98 |
16 |
Atkins North America |
11.50 |
17 |
Stantec |
11.39 |
18 |
Nova Engineering and Environmental |
11.25 |
19 |
Dewberry |
9.84 |
20 |
Affiliated Engineers Inc. |
9.04 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
159.40 |
2 |
Kimley-Horn |
32.98 |
3 |
LS3P |
29.23 |
4 |
Little |
28.38 |
5 |
ARCADIS US/RTKL/Callison |
26.73 |
6 |
McKim & Creed Inc. |
23.33 |
7 |
Perkins+Will |
22.46 |
8 |
STV |
21.27 |
9 |
克拉克Nexsen |
19.80 |
10 |
ESP Associates P.A. |
19.12 |
11 |
HNTB Corp. |
18.97 |
12 |
Cardno |
18.94 |
13 |
Stantec |
18.05 |
14 |
Withers & Ravenel Inc. |
18.04 |
15 |
Terracon Consultants Inc. |
17.12 |
16 |
Stewart |
16.69 |
17 |
KCI Technologies Inc. |
15.00 |
18 |
Dewberry |
14.69 |
19 |
RS&H Inc. |
14.40 |
20 |
Michael Baker international |
13.69 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
32.67 |
2 |
O'Neal Inc. |
26.50 |
3 |
LS3P |
23.88 |
4 |
McMillan Pazdan Smith Architecture |
19.29 |
5 |
Terracon Consultants Inc. |
14.91 |
6 |
Michael Baker international |
14.65 |
7 |
Alliance Consulting Engineers Inc. |
10.10 |
8 |
Seamon Whiteside |
9.72 |
9 |
ARCADIS US/RTKL/Callison |
9.67 |
10 |
ESP Associates P.A. |
7.20 |
11 |
Stantec |
6.82 |
12 |
WSP | Parsons Brinckerhoff |
6.77 |
13 |
Stevens & Wilkinson |
6.65 |
14 |
Dewberry |
6.55 |
15 |
Mead & Hunt Inc. |
6.52 |
16 |
CEMS Engineering/Architecture |
6.41 |
17 |
Kimley-Horn |
5.53 |
18 |
WK Dickson & Co. |
5.50 |
19 |
RMF Engineering Inc. |
5.10 |
20 |
GEL Engineering LLC |
5.07 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
160.82 |
2 |
Kimley-Horn |
69.19 |
3 |
Perkins+Will |
57.87 |
4 |
LS3P |
50.68 |
5 |
Terracon Consultants Inc. |
41.57 |
6 |
Gensler |
40.75 |
7 |
Little |
37.21 |
8 |
RS&H Inc. |
30.60 |
9 |
TLC Engineering for Architecture Inc. |
28.08 |
10 |
HKS Inc. |
27.77 |
11 |
克拉克Nexsen |
25.91 |
12 |
Universal Engineering Sciences Inc. |
24.61 |
13 |
Stantec |
24.44 |
14 |
Cooper Carry Inc. |
24.16 |
15 |
Atkins North America |
22.19 |
16 |
McMillan Pazdan Smith Architecture |
22.08 |
17 |
Rule Joy Trammell + Rubio LLC |
19.10 |
18 |
Pond & Co. |
19.00 |
19 |
Harvard Jolly Architecture |
18.75 |
20 |
Stevens & Wilkinson |
17.62 |
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