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.
More detailed information on the Top List:
Top Design Firms Main Rankings
Related Article:
Design Firm Revenue Rises by Over 20% in New York Region
Click below for earlier editions:
2015|2014|2013|2012|2011|2010|2009|2008|2007|2006|2005
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
398.33 |
2 |
WSP | Parsons Brinckerhoff |
204.43 |
3 |
STV |
157.79 |
4 |
ARCADIS US/RTKL/Callison |
114.80 |
5 |
Gensler |
107.93 |
6 |
CHA Consulting Inc. |
98.70 |
7 |
Greenman-Pedersen Inc. |
95.82 |
8 |
HNTB Corp. |
88.39 |
9 |
Arup |
84.71 |
10 |
Perkins Eastman |
70.44 |
11 |
Stantec |
67.88 |
12 |
Langan |
67.36 |
13 |
Tectonic Engineering & Surveying Consultants PC |
62.90 |
14 |
Dewberry |
62.06 |
15 |
Thornton Tomasetti |
57.12 |
16 |
C&S Cos. |
45.99 |
17 |
AKRF |
43.47 |
18 |
Hatch Mott MacDonald |
39.76 |
19 |
AKF |
39.70 |
19 |
LaBella Associates DPC |
39.70 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
138.30 |
2 |
ARCADIS US/RTKL/Callison |
87.46 |
3 |
Langan |
55.48 |
4 |
Dewberry |
52.18 |
5 |
HNTB Corp. |
48.87 |
6 |
Gannett Fleming |
48.51 |
7 |
Greenman-Pedersen Inc. |
48.26 |
8 |
T&M Associates |
47.90 |
9 |
Maser Consulting PA |
46.10 |
10 |
Hatch Mott MacDonald |
45.93 |
11 |
WSP | Parsons Brinckerhoff |
39.97 |
12 |
Michael Baker International |
33.15 |
13 |
Boswell Engineering |
29.70 |
14 |
Stantec |
28.52 |
15 |
Gensler |
23.21 |
16 |
Kleinfelder |
20.28 |
17 |
French & Parrello Associates |
18.50 |
18 |
Burns & McDonnell |
17.44 |
19 |
The RBA Group |
17.00 |
20 |
Altran North America |
16.62 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
Burns & McDonnell |
103.75 |
2 |
C.H. Nickerson & Co. |
95.84 |
3 |
AECOM |
58.28 |
4 |
WSP | Parsons Brinckerhoff |
29.59 |
5 |
BL Cos. |
28.13 |
6 |
ARCADIS US/RTKL/Callison |
22.94 |
7 |
The S/L/A/M Collaborative Inc. |
17.00 |
8 |
Milone & MacBroom Inc. |
14.65 |
9 |
Michael Baker International |
14.42 |
10 |
Tighe & Bond Inc. |
13.92 |
11 |
H.W. Lochner Inc. |
13.60 |
12 |
Gannett Fleming |
11.45 |
12 |
GEI Consultants Inc. |
11.45 |
14 |
Woodard & Curran |
11.38 |
15 |
Ammann & Whitney |
11.29 |
16 |
STV |
10.19 |
17 |
Perkins Eastman |
9.79 |
18 |
AI Engineers Inc. |
9.50 |
19 |
HNTB Corp. |
9.45 |
20 |
Langan |
8.92 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
Gensler |
109.68 |
2 |
Perkins Eastman |
88.39 |
3 |
Langan |
88.28 |
4 |
STV |
86.24 |
5 |
AECOM |
79.07 |
6 |
WSP | Parsons Brinckerhoff |
71.31 |
7 |
Thornton Tomasetti |
58.44 |
8 |
AKRF |
48.77 |
9 |
Dewberry |
47.81 |
10 |
AKF |
47.14 |
11 |
Arup |
45.13 |
12 |
Stantec |
35.94 |
13 |
Kohn Pedersen Fox Associates PC (KPF) |
34.85 |
14 |
Ennead Architects LLP |
31.70 |
15 |
HOK |
30.86 |
16 |
Maser Consulting PA |
29.20 |
17 |
Syska Hennessy Group |
26.72 |
18 |
Perkins+Will |
25.08 |
19 |
FXFOWLE Architects |
23.39 |
20 |
Tectonic Engineering & Surveying Consultants PC |
22.95 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
Gensler |
81.52 |
2 |
Thornton Tomasetti |
32.81 |
3 |
AKF |
25.02 |
4 |
Nelson Worldwide Inc. |
19.35 |
5 |
Robert Derector Associates |
19.05 |
6 |
WSP | Parsons Brinckerhoff |
18.22 |
7 |
Langan |
13.18 |
8 |
Arup |
11.26 |
9 |
Perkins Eastman |
9.72 |
10 |
The Switzer Group Inc. |
9.33 |
Rank | Firm | ($ Mil) |
---|---|---|
1 |
AECOM |
38.77 |
2 |
STV |
27.52 |
3 |
FXFOWLE Architects |
15.71 |
4 |
Perkins Eastman |
13.26 |
5 |
Langan |
13.18 |
6 |
Arup |
12.72 |
7 |
Robert A.M. Stern Architects LLP |
10.49 |
8 |
Nk Architects |
10.13 |
9 |
Spiezle Architectural Group Inc. |
10.10 |
10 |
The S/L/A/M Collaborative Inc. |
9.53 |
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