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 Design Firms:
View complete list of Main Rankings
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Click below for earlier editions:
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009
Rank | Firm | $ Mil |
---|---|---|
1
|
Burns & McDonnell |
519.67
|
2
|
S & B Engineers and Constructors Ltd. |
480.74
|
3
|
HDR |
179.14
|
4
|
AECOM |
174.89
|
5
|
Burrow Global LLC |
140.84
|
6
|
Gensler |
140.78
|
7
|
Zachry Group |
131.01
|
8
|
WSP | Parsons Brinckerhoff |
130.20
|
9
|
Kimley-Horn |
117.01
|
10
|
Lja Engineering Inc. |
114.15
|
1
|
S & B Engineers and Constructors Ltd. |
200.85
|
2
|
HGA |
62.21
|
3
|
AECOM |
56.43
|
4
|
Stantec |
34.66
|
5
|
T. Baker Smith LLC |
30.00
|
6
|
WSP | Parsons Brinckerhoff |
17.03
|
7
|
Fugro Consultants Inc. |
14.65
|
8
|
HNTB Corp. |
13.61
|
9
|
Arcadis North America |
13.55
|
10
|
Atkins North America |
11.82
|
1
|
Gensler |
137.30
|
2
|
Fugro Consultants Inc. |
98.11
|
3
|
HKS Inc. |
79.50
|
4
|
Terracon Consultants Inc. |
64.88
|
5
|
Kimley-Horn |
62.95
|
6
|
PBK |
62.40
|
7
|
Page |
61.29
|
8
|
Huckabee |
60.54
|
9
|
Corgan |
50.48
|
10
|
AECOM |
48.26
|
11
|
Stantec |
43.51
|
12
|
Kirksey Architecture |
40.19
|
13
|
HDR |
39.72
|
14
|
Parkhill, Smith & Cooper Inc. |
34.09
|
15
|
GFF |
31.66
|
1
|
Burns & McDonnell |
135.74
|
2
|
HDR |
125.80
|
3
|
HNTB Corp. |
120.88
|
4
|
WSP | Parsons Brinckerhoff |
117.51
|
5
|
Kimley-Horn |
102.20
|
1
|
Gensler |
51.04
|
2
|
Page |
29.46
|
3
|
HKS Inc. |
27.44
|
4
|
Stantec |
25.95
|
5
|
Corgan |
25.76
|
6
|
PBK |
22.90
|
7
|
Kirksey Architecture |
20.85
|
8
|
GFF |
16.75
|
9
|
WSP | Parsons Brinckerhoff |
10.69
|
10
|
Arup |
9.23
|
1
|
Burns & McDonnell |
104.41
|
2
|
AECOM |
63.55
|
3
|
Burrow Global LLC |
55.00
|
4
|
Zachry Group |
41.30
|
5
|
Atkins North America |
33.34
|
6
|
Walter P Moore |
30.49
|
7
|
Fugro Consultants Inc. |
14.72
|
8
|
LJA Engineering Inc. |
10.06
|
9
|
Michael Baker International |
8.46
|
10
|
Huckabee |
7.27
|
1
|
Burns & McDonnell |
182.73
|
2
|
Zachry Group |
75.72
|
3
|
Burrow Global LLC |
70.45
|
4
|
AECOM |
25.72
|
5
|
Page |
24.19
|
6
|
Smith Seckman Reid Inc. |
18.14
|
7
|
HKS Inc. |
17.48
|
8
|
Salas O'Brien LLC |
15.20
|
9
|
HDR |
9.55
|
10
|
Affiliated Engineers Inc. |
8.87
|
11
|
Wylie Consulting Engineers |
8.51
|
12
|
Atkins North America |
6.86
|
13
|
Huckabee |
6.66
|
14
|
Cleary Zimmermann Engineers LLC |
5.82
|
15
|
Wsp | Parsons Brinckerhoff |
5.74
|
1
|
AECOM |
82.37
|
2
|
Arcadis North America |
71.98
|
3
|
Fugro Consultants Inc. |
68.68
|
4
|
Terracon Consultants Inc. |
54.57
|
5
|
Burns & McDonnell |
20.88
|
1
|
S & B Engineers And Constructors Ltd. |
562.71
|
2
|
Burns & McDonnell |
254.67
|
3
|
Burrow Global LLC |
149.20
|
4
|
Surveying And Mapping LLC (Sam) |
55.75
|
5
|
WSP | Parsons Brinckerhoff |
52.05
|
6
|
Hatch Mott MacDonald |
46.64
|
7
|
Atkins North America |
33.61
|
8
|
Arup |
24.81
|
9
|
T. Baker Smith LLC |
24.00
|
10
|
Zachry Group |
23.76
|
1
|
Kimley-Horn |
16.31
|
2
|
GFF |
11.43
|
3
|
AECOM |
7.90
|
4
|
Meeks + Partners |
7.34
|
5
|
Terracon Consultants Inc. |
6.97
|
6
|
Page |
4.74
|
7
|
Pape-Dawson Engineers Inc. |
4.64
|
8
|
Big Red Dog Engineering | Consulting |
4.08
|
9
|
Integrity Structural Corp. |
3.50
|
10
|
Jones | Carter |
3.45
|
1
|
Huckabee |
60.54
|
2
|
PBK |
55.23
|
3
|
Stantec |
37.51
|
4
|
Corgan |
18.95
|
5
|
Parkhill, Smith & Cooper Inc. |
17.93
|
6
|
Page |
12.60
|
7
|
HKS Inc. |
11.00
|
8
|
Terracon Consultants Inc. |
10.35
|
9
|
Kirksey Architecture |
10.15
|
10
|
Raba Kistner Inc. |
8.85
|
11
|
Salas O'Brien LLC |
6.59
|
12
|
PGAL |
6.43
|
13
|
O'Connell Robertson |
5.30
|
14
|
Gensler |
4.77
|
15
|
LPA Inc. |
4.74
|
1
|
Gensler |
95.44
|
2
|
Corgan |
25.70
|
3
|
HKS Inc. |
15.52
|
4
|
Hellmuth, Obata & Kassabaum LP |
15.45
|
5
|
Kirksey Architecture |
15.10
|
1
|
BGE | Brown & Gay Engineers Inc. |
44.00
|
2
|
LJA Engineering Inc. |
37.58
|
3
|
Pape-Dawson Engineers Inc. |
34.27
|
4
|
Jones | Carter |
25.00
|
5
|
Halff Associates Inc. |
7.00
|
6
|
Kimley-Horn |
6.99
|
7
|
Walter P Moore |
4.48
|
8
|
Parkhill, Smith & Cooper Inc. |
3.49
|
9
|
T. Baker Smith LLC |
2.20
|
10
|
Cobb, Fendley & Associates Inc. |
1.40
|
1
|
Kimley-Horn |
28.91
|
2
|
Terracon Consultants Inc. |
15.74
|
3
|
Gensler |
11.59
|
4
|
Pape-Dawson Engineers Inc. |
11.39
|
5
|
GFF |
8.45
|
6
|
Beck Architecture LLC |
6.55
|
7
|
Arcadis North America |
6.29
|
8
|
CTA Architects Engineers |
4.47
|
9
|
Salas O'Brien LLC |
2.94
|
10
|
Raba Kistner Inc. |
1.53
|
1
|
Freese And Nichols Inc. |
41.07
|
2
|
AECOM |
33.75
|
3
|
HDR |
28.76
|
4
|
Halff Associates Inc. |
19.60
|
5
|
LJA Engineering Inc. |
17.63
|
6
|
Dannenbaum Engineering Corp. |
17.25
|
7
|
Stantec |
14.89
|
8
|
RPS Klotz Associates |
12.00
|
9
|
BGE | Brown & Gay Engineers Inc. |
10.80
|
10
|
HNTB Corp. |
10.69
|
11
|
Carollo Engineers Inc. |
10.28
|
12
|
Jones | Carter |
10.24
|
13
|
Kimley-Horn |
9.34
|
14
|
Arcadis North America |
9.31
|
15
|
Alan Plummer Associates Inc. |
7.95
|
1
|
Halff Associates Inc. |
18.40
|
2
|
Freese And Nichols Inc. |
17.02
|
3
|
HDR |
14.77
|
4
|
Arcadis North America |
13.81
|
5
|
LJA Engineering Inc. |
13.21
|
1
|
HKS Inc. |
11.67
|
2
|
Gensler |
10.44
|
3
|
Kirksey Architecture |
2.42
|
4
|
Beck Architecture LLC |
2.37
|
5
|
Perkins Eastman |
2.33
|
6
|
Terracon Consultants Inc. |
2.00
|
1
|
Burns & McDonnell |
153.82
|
2
|
Zachry Group |
112.28
|
3
|
WSP | Parsons Brinckerhoff |
25.01
|
4
|
Surveying And Mapping LLC (SAM) |
14.82
|
5
|
AECOM * |
13.20
|
6
|
Stanley Consultants Inc. |
10.94
|
1
|
Burns & McDonnell |
96.02
|
2
|
Page |
5.00
|
3
|
Powers Brown Architecture |
3.71
|
4
|
Terracon Consultants Inc. |
1.89
|
5
|
S & B Engineers and Constructors Ltd. |
1.74
|
6
|
Freese and Nichols Inc. |
1.05
|
1
|
HNTB Corp. |
112.72
|
2
|
AECOM * |
84.22
|
3
|
HDR |
84.12
|
4
|
WSP | Parsons Brinckerhoff |
51.24
|
5
|
Atkins North America * |
35.89
|
6
|
Kimley-Horn |
33.65
|
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