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
Related Article:
ENR Texas & Lousiana Top Design Firms 2015
Click below for earlier editions:
2014 | 2013 | 2012 | 2011 | 2010 | 2009
Rank | Firm | ($ Mil) |
---|---|---|
1
|
Burns & McDonnell |
417.36
|
2
|
S & B Engineers and Constructors Ltd. |
409.04
|
3
|
AECOM |
337.59
|
4
|
HDR |
190.50
|
5
|
UniversalPegasus International |
157.00
|
6
|
Gensler |
149.96
|
7
|
HNTB Corp. |
127.83
|
8
|
Cardno |
113.06
|
9
|
WSP | Parsons Brinckerhoff |
106.53
|
10
|
Kimley-Horn |
104.41
|
11
|
Terracon Consultants Inc. |
97.38
|
12
|
ARCADIS US/RTKL/Callison |
94.12
|
13
|
Freese and Nichols Inc. |
91.24
|
14
|
Zachry Group |
90.34
|
15
|
LJA Engineering Inc. |
88.81
|
16
|
Surveying And Mapping LLC (SAM) |
85.14
|
17
|
Halff Associates Inc. |
82.37
|
18
|
Brown & Gay Engineers Inc. |
80.97
|
19
|
Pape-Dawson Engineers Inc. |
76.95
|
20
|
Fugro Consultants Inc. |
68.00
|
1
|
S & B Engineers and Constructors Ltd. |
149.45
|
2
|
AECOM |
76.56
|
3
|
Keystone Engineering Inc. |
43.60
|
4
|
ReCon Management Services Inc. |
36.54
|
5
|
T. Baker Smith LLC |
36.36
|
6
|
Stantec |
35.03
|
7
|
Cardno |
30.83
|
8
|
ARCADIS US/RTKL/Callison |
19.45
|
9
|
WSP | Parsons Brinckerhoff |
16.45
|
10
|
Burk-Kleinpeter Inc. |
15.31
|
11
|
HNTB Corp. |
14.48
|
12
|
HDR |
11.47
|
13
|
Hatch Mott MacDonald |
11.23
|
14
|
Terracon Consultants Inc. |
10.63
|
15
|
Burns & McDonnell |
10.50
|
16
|
Fugro Consultants Inc. |
10.48
|
17
|
Mathes Brierre Architects |
8.64
|
18
|
UniversalPegasus International |
7.00
|
19
|
Atkins North America |
5.91
|
20
|
Blitch Knevel Architects LLC |
5.20
|
1
|
Gensler |
147.51
|
2
|
HKS Inc. |
64.04
|
3
|
Terracon Consultants Inc. |
63.67
|
4
|
Kimley-Horn |
60.85
|
5
|
Page |
55.26
|
6
|
PBK |
52.00
|
7
|
WHR Architects |
47.77
|
8
|
Kirksey Architecture |
47.76
|
9
|
HDR |
46.60
|
10
|
Cardno |
46.05
|
11
|
Perkins+Will |
42.45
|
12
|
Corgan |
42.30
|
13
|
Bury Inc. |
36.03
|
14
|
Parkhill, Smith & Cooper Inc. |
34.85
|
15
|
HOK LP |
32.40
|
16
|
Huckabee |
32.00
|
17
|
AECOM |
30.66
|
18
|
Walter P Moore |
30.06
|
19
|
Ziegler Cooper Architects |
28.98
|
20
|
ARCADIS US/RTKL/Callison |
25.02
|
1
|
Cardno |
25.42
|
2
|
HDR |
16.44
|
3
|
AECOM |
12.68
|
4
|
Page |
8.75
|
5
|
PGAL |
6.30
|
6
|
Brown Reynolds Watford Architects Inc. |
4.25
|
7
|
SmithGroupJJR |
3.42
|
8
|
Raba Kistner Inc. |
3.37
|
9
|
Garver |
2.76
|
10
|
Atkins North America |
2.75
|
11
|
ARCADIS US/RTKL/Callison |
2.51
|
12
|
RS&H Inc. |
2.36
|
13
|
Terracon Consultants Inc. |
2.04
|
14
|
Gensler |
1.75
|
15
|
WHR Architects |
1.66
|
16
|
Michael Baker International |
1.47
|
17
|
HOK LP |
1.20
|
18
|
Parkhill, Smith & Cooper Inc. |
1.09
|
19
|
Perkins+Will |
1.03
|
20
|
Manning Architects |
0.94
|
1
|
Gensler |
54.78
|
2
|
HKS Inc. |
34.13
|
3
|
Kirksey Architecture |
28.60
|
4
|
Page |
25.95
|
5
|
PGAL |
24.00
|
6
|
PBK |
18.90
|
7
|
HOK LP |
18.18
|
8
|
Kendall/Heaton Associates Inc. |
14.31
|
9
|
Good Fulton & Farrell |
12.26
|
10
|
Perkins+Will |
11.94
|
11
|
Corgan |
11.15
|
12
|
WYLIE Consulting Engineers |
6.36
|
13
|
BOKA Powell LLC |
4.30
|
14
|
WSP | Parsons Brinckerhoff |
4.00
|
15
|
Smith Seckman Reid Inc. |
3.86
|
16
|
Stantec |
3.46
|
17
|
Blitch Knevel Architects LLC |
3.20
|
18
|
Arup |
3.03
|
19
|
Walter P Moore |
2.55
|
20
|
Powers Brown Architecture |
2.41
|
1
|
Gensler |
76.75
|
2
|
Kirksey Architecture |
24.25
|
3
|
Corgan |
19.18
|
4
|
Ziegler Cooper Architects |
16.81
|
5
|
Terracon Consultants Inc. |
16.00
|
6
|
Kendall/Heaton Associates Inc. |
15.60
|
7
|
HOK LP |
13.50
|
8
|
HKS Inc. |
12.71
|
9
|
Kimley-Horn |
11.30
|
10
|
Cardno |
9.90
|
11
|
Bury Inc. |
9.41
|
12
|
Walter P Moore |
8.34
|
13
|
BOKA Powell LLC |
7.01
|
14
|
Baird, Hampton & Brown Inc. |
6.18
|
15
|
WYLIE Consulting Engineers |
5.94
|
16
|
Powers Brown Architecture |
5.62
|
17
|
Halff Associates Inc. |
5.18
|
18
|
Raba Kistner Inc. |
4.46
|
19
|
Good Fulton & Farrell |
4.09
|
20
|
Cobb, Fendley & Associates |
4.00
|
20
|
KCI Technologies |
4.00
|
1
|
AECOM |
211.63
|
2
|
HNTB Corp. |
130.20
|
3
|
HDR |
130.12
|
4
|
Burns & McDonnell |
106.96
|
5
|
Kimley-Horn |
89.22
|
6
|
Freese and Nichols Inc. |
82.83
|
7
|
Brown & Gay Engineers Inc. |
80.14
|
8
|
LJA Engineering Inc. |
68.81
|
9
|
Halff Associates Inc. |
60.11
|
10
|
Pape-Dawson Engineers Inc. |
53.05
|
11
|
Jones and Carter Inc. |
52.28
|
12
|
DANNENBAUM ENGINEERING Corp. |
45.16
|
13
|
WSP | Parsons Brinckerhoff |
40.90
|
14
|
Cobb, Fendley & Associates |
39.15
|
15
|
Raba Kistner Inc. |
34.73
|
16
|
Hatch Mott MacDonald |
33.39
|
17
|
Atkins North America |
28.42
|
18
|
Parkhill, Smith & Cooper Inc. |
28.37
|
19
|
Bury Inc. |
26.58
|
20
|
Cardno |
25.90
|
1
|
S & B Engineers and Constructors Ltd. |
437.35
|
2
|
Burns & McDonnell |
225.62
|
3
|
UniversalPegasus International |
164.00
|
4
|
Cardno |
86.34
|
5
|
Surveying And Mapping LLC (SAM) |
56.84
|
6
|
Fugro Consultants Inc. |
47.09
|
7
|
Zachry Group |
44.72
|
8
|
Hatch Mott MacDonald |
44.23
|
9
|
Keystone Engineering Inc. |
43.96
|
10
|
ReCon Management Services Inc. |
39.96
|
11
|
AECOM |
38.02
|
12
|
Arup |
28.04
|
13
|
Testengeer Inc. |
27.65
|
14
|
T. Baker Smith LLC |
26.55
|
15
|
Atkins North America |
26.20
|
16
|
ENGlobal |
19.90
|
17
|
Ambitech Engineering Corp. |
16.52
|
18
|
Kleinfelder |
11.30
|
19
|
Saulsbury Industries |
10.65
|
20
|
Freese and Nichols Inc. |
8.84
|
1
|
Kimley-Horn |
14.01
|
2
|
Ziegler Cooper Architects |
10.46
|
3
|
Bury Inc. |
8.50
|
4
|
Meeks + Partners |
7.50
|
5
|
Good Fulton & Farrell |
7.16
|
6
|
AECOM |
7.12
|
7
|
Terracon Consultants Inc. |
4.63
|
8
|
EDI International |
4.22
|
9
|
Jones and Carter Inc. |
4.17
|
10
|
BIG RED DOG Engineering & Consulting |
3.26
|
11
|
Page |
3.00
|
12
|
LJA Engineering Inc. |
2.54
|
13
|
Corgan |
1.75
|
14
|
ARCADIS US/RTKL/Callison |
1.73
|
15
|
Pape-Dawson Engineers Inc. |
1.31
|
16
|
Gensler |
1.30
|
17
|
Cardno |
1.27
|
18
|
Kirksey Architecture |
1.15
|
19
|
Wiss, Janney, Elstner Associates Inc. |
1.14
|
20
|
WYLIE Consulting Engineers |
0.95
|
1
|
PBK |
44.80
|
2
|
Huckabee |
32.00
|
3
|
Parkhill, Smith & Cooper Inc. |
24.49
|
4
|
Page |
19.44
|
5
|
Stantec |
17.72
|
6
|
Corgan |
15.65
|
7
|
Perkins+Will |
9.76
|
8
|
Raba Kistner Inc. |
9.70
|
9
|
BOKA Powell LLC |
9.49
|
10
|
IBI Group Inc. |
8.96
|
11
|
Kirksey Architecture |
8.94
|
12
|
WHR Architects |
8.09
|
13
|
Terracon Consultants Inc. |
7.53
|
14
|
HKS Inc. |
7.14
|
15
|
Muñoz and Co. |
6.21
|
16
|
Gensler |
6.20
|
17
|
PGAL |
4.45
|
18
|
SmithGroupJJR |
4.11
|
19
|
O'Connell Robertson |
3.71
|
20
|
AECOM |
3.56
|
1
|
WHR Architects |
37.10
|
2
|
HKS Inc. |
25.78
|
3
|
HDR |
24.47
|
4
|
Perkins+Will |
23.96
|
5
|
Page |
21.10
|
6
|
FKP Architects Inc. |
20.56
|
7
|
Smith Seckman Reid Inc. |
17.75
|
8
|
ARCADIS US/RTKL/Callison |
13.76
|
9
|
PhiloWilke Partnership |
10.12
|
10
|
The Beck Group |
8.81
|
11
|
Walter P Moore |
8.74
|
12
|
O'Connell Robertson |
5.60
|
13
|
Parkhill, Smith & Cooper Inc. |
5.32
|
14
|
Corgan |
5.04
|
15
|
Blitch Knevel Architects LLC |
4.55
|
16
|
Terracon Consultants Inc. |
4.26
|
17
|
Affiliated Engineers Inc. |
4.23
|
18
|
WSP | Parsons Brinckerhoff |
3.30
|
19
|
Cardno |
3.10
|
20
|
BOKA Powell LLC |
2.99
|
1
|
AECOM |
67.30
|
2
|
Freese and Nichols Inc. |
40.02
|
3
|
HDR |
31.13
|
4
|
Stantec |
22.17
|
5
|
Brown & Gay Engineers Inc. |
20.24
|
6
|
Halff Associates Inc. |
17.40
|
7
|
ARCADIS US/RTKL/Callison |
17.21
|
8
|
DANNENBAUM ENGINEERING Corp. |
15.80
|
9
|
LJA Engineering Inc. |
11.87
|
10
|
HNTB Corp. |
11.28
|
11
|
Carollo Engineers |
10.06
|
12
|
Parkhill, Smith & Cooper Inc. |
9.60
|
13
|
Jones and Carter Inc. |
7.98
|
14
|
Fugro Consultants Inc. |
7.85
|
15
|
Kimley-Horn |
7.02
|
16
|
Klotz Associates |
7.00
|
17
|
Pape-Dawson Engineers Inc. |
6.11
|
18
|
Atkins North America |
5.34
|
19
|
KSA Engineers Inc. |
5.23
|
20
|
Terracon Consultants Inc. |
4.27
|
1
|
Burns & McDonnell |
103.60
|
2
|
AECOM |
71.88
|
3
|
Zachry Group |
47.32
|
4
|
Surveying And Mapping LLC (SAM) |
9.67
|
5
|
HDR |
9.50
|
6
|
Stanley Consultants |
7.33
|
7
|
Atkins North America |
5.61
|
8
|
Keystone Engineering Inc. |
5.04
|
9
|
Terracon Consultants Inc. |
4.57
|
10
|
Fugro Consultants Inc. |
3.92
|
11
|
McKim & Creed Inc. |
3.88
|
12
|
Binkley & Barfield Inc. |
3.67
|
13
|
WSP | Parsons Brinckerhoff |
3.25
|
14
|
Stantec |
2.32
|
15
|
Affiliated Engineers Inc. |
2.20
|
16
|
Freese and Nichols Inc. |
2.07
|
17
|
Halff Associates Inc. |
1.76
|
18
|
JQ |
1.55
|
19
|
T. Baker Smith LLC |
1.25
|
20
|
SWCA Environmental Consultants |
1.22
|
1
|
Halff Associates Inc. |
17.40
|
2
|
Freese and Nichols Inc. |
16.69
|
3
|
HDR |
16.31
|
4
|
LJA Engineering Inc. |
13.65
|
5
|
Carollo Engineers |
9.83
|
6
|
AECOM |
7.05
|
7
|
ARCADIS US/RTKL/Callison |
6.95
|
8
|
Parkhill, Smith & Cooper Inc. |
5.76
|
9
|
Jones and Carter Inc. |
4.92
|
10
|
Kimley-Horn |
4.56
|
11
|
Klotz Associates |
4.00
|
12
|
Fugro Consultants Inc. |
3.92
|
13
|
DANNENBAUM ENGINEERING Corp. |
2.57
|
14
|
Terracon Consultants Inc. |
2.54
|
15
|
Cobb, Fendley & Associates |
2.50
|
16
|
KSA Engineers Inc. |
2.14
|
17
|
Burk-Kleinpeter Inc. |
1.76
|
18
|
Walter P Moore |
1.70
|
19
|
Garver |
1.65
|
20
|
OTHON Inc. |
1.53
|
1
|
HNTB Corp. |
130.20
|
2
|
HDR |
88.31
|
3
|
AECOM |
79.52
|
4
|
WSP | Parsons Brinckerhoff |
50.35
|
5
|
Atkins North America |
30.03
|
6
|
Kimley-Horn |
26.53
|
7
|
LJA Engineering Inc. |
25.53
|
8
|
Halff Associates Inc. |
23.12
|
9
|
PGAL |
22.39
|
10
|
DANNENBAUM ENGINEERING Corp. |
20.59
|
11
|
Brown & Gay Engineers Inc. |
20.24
|
12
|
Stantec |
20.04
|
13
|
Michael Baker International |
19.73
|
14
|
RS&H Inc. |
19.64
|
15
|
Raba Kistner Inc. |
18.43
|
16
|
Cobb, Fendley & Associates |
18.25
|
17
|
Freese and Nichols Inc. |
17.41
|
18
|
Surveying And Mapping LLC (SAM) |
17.26
|
19
|
Terracon Consultants Inc. |
14.02
|
20
|
Klotz Associates |
13.84
|
1
|
Surveying And Mapping LLC (SAM) |
87.47
|
2
|
T. Baker Smith LLC |
26.86
|
3
|
Cardno |
25.90
|
4
|
Burns & McDonnell |
12.84
|
5
|
Jones and Carter Inc. |
10.94
|
6
|
Hatch Mott MacDonald |
10.18
|
7
|
McKim & Creed Inc. |
8.17
|
8
|
Halff Associates Inc. |
7.72
|
9
|
Bury Inc. |
7.11
|
10
|
Cobb, Fendley & Associates |
6.05
|
11
|
Kleinfelder |
5.52
|
12
|
Pape-Dawson Engineers Inc. |
5.43
|
13
|
LJA Engineering Inc. |
4.00
|
14
|
Binkley & Barfield Inc. |
3.34
|
15
|
Atkins North America |
2.99
|
16
|
KFW Engineers & Surveying |
2.59
|
17
|
Kimley-Horn |
2.10
|
18
|
KSA Engineers Inc. |
2.05
|
19
|
Klotz Associates |
2.00
|
20
|
Wilson & Co., Engineers & Architects |
1.40
|
1
|
Burns & McDonnell |
149.75
|
2
|
Zachry Group |
48.03
|
3
|
Testengeer Inc. |
27.65
|
4
|
ReCon Management Services Inc. |
19.98
|
5
|
Smith Seckman Reid Inc. |
19.30
|
6
|
Page |
18.20
|
7
|
Atkins North America |
13.40
|
8
|
HDR |
11.09
|
9
|
WYLIE Consulting Engineers |
10.60
|
10
|
Affiliated Engineers Inc. |
9.16
|
11
|
Stanley Consultants |
7.48
|
12
|
KME Salas O'Brien LLC |
6.90
|
13
|
Bury Inc. |
6.46
|
14
|
HOK LP |
6.00
|
15
|
KCI Technologies |
5.40
|
16
|
WSP | Parsons Brinckerhoff |
5.31
|
17
|
Baird, Hampton & Brown Inc. |
5.01
|
18
|
ENGlobal |
5.00
|
19
|
O'Connell Robertson |
4.56
|
20
|
PGAL |
3.39
|
1
|
AECOM |
142.75
|
2
|
Burns & McDonnell |
85.57
|
3
|
Walter P Moore |
29.96
|
4
|
Zachry Group |
28.63
|
5
|
Cardno |
20.84
|
6
|
WSP | Parsons Brinckerhoff |
18.19
|
7
|
Atkins North America |
15.97
|
8
|
Fugro Consultants Inc. |
11.77
|
9
|
JQ |
10.20
|
10
|
LJA Engineering Inc. |
10.00
|
11
|
ENGlobal |
9.90
|
12
|
HDR |
7.03
|
13
|
Datum Engineers |
6.30
|
14
|
Structural Engineering Associates Inc. |
5.20
|
15
|
Wiss, Janney, Elstner Associates Inc. |
4.83
|
16
|
Michael Baker International |
4.56
|
17
|
PGAL |
4.36
|
18
|
ReCon Management Services Inc. |
3.33
|
19
|
Kimley-Horn |
3.15
|
20
|
Huckabee |
2.32
|
1
|
Gensler |
96.51
|
2
|
HKS Inc. |
53.03
|
3
|
Corgan |
49.24
|
4
|
WHR Architects |
46.23
|
5
|
PBK |
43.53
|
6
|
Page |
37.05
|
7
|
Perkins+Will |
36.72
|
8
|
Kirksey Architecture |
34.52
|
9
|
Huckabee |
29.68
|
10
|
Parkhill, Smith & Cooper Inc. |
29.24
|
11
|
S & B Engineers and Constructors Ltd. |
27.53
|
12
|
The Beck Group |
22.72
|
13
|
ARCADIS US/RTKL/Callison |
22.20
|
14
|
PGAL |
22.04
|
15
|
Good Fulton & Farrell |
21.89
|
16
|
BOKA Powell LLC |
21.45
|
17
|
Stantec |
19.04
|
18
|
Ziegler Cooper Architects |
17.92
|
19
|
HDR |
16.27
|
20
|
Kendall/Heaton Associates Inc. |
16.24
|
1
|
ARCADIS US/RTKL/Callison |
82.58
|
2
|
Cardno |
71.25
|
3
|
Fugro Consultants Inc. |
54.94
|
4
|
Terracon Consultants Inc. |
54.80
|
5
|
AECOM |
50.48
|
6
|
Stantec |
26.86
|
7
|
HDR |
19.38
|
8
|
Burns & McDonnell |
17.11
|
9
|
Kleinfelder |
14.01
|
10
|
SWCA Environmental Consultants |
13.75
|
11
|
Atkins North America |
9.41
|
12
|
Raba Kistner Inc. |
8.91
|
13
|
Zachry Group |
6.47
|
14
|
Michael Baker International |
4.30
|
15
|
T. Baker Smith LLC |
4.09
|
16
|
Freese and Nichols Inc. |
3.07
|
17
|
Ninyo & Moore |
3.03
|
18
|
Halff Associates Inc. |
2.73
|
19
|
Apex Geoscience Inc. |
2.16
|
20
|
Pape-Dawson Engineers Inc. |
1.67
|
1
|
Gensler |
32.74
|
2
|
Corgan |
17.84
|
3
|
Kirksey Architecture |
14.79
|
4
|
HKS Inc. |
13.26
|
5
|
Ziegler Cooper Architects |
11.07
|
6
|
Page |
9.75
|
7
|
HOK LP |
7.50
|
8
|
Burns & McDonnell |
4.28
|
9
|
FKP Architects Inc. |
4.00
|
10
|
Perkins+Will |
3.91
|
11
|
HDR |
3.46
|
12
|
Good Fulton & Farrell |
2.82
|
13
|
Mathes Brierre Architects |
2.33
|
14
|
ARCADIS US/RTKL/Callison |
2.00
|
15
|
NELSON |
1.80
|
16
|
PBK |
1.50
|
17
|
schneiderHALLS design |
1.35
|
18
|
Parkhill, Smith & Cooper Inc. |
1.19
|
19
|
Kendall/Heaton Associates Inc. |
1.14
|
20
|
BOKA Powell LLC |
1.12
|
1
|
Kimley-Horn |
31.49
|
2
|
Gensler |
26.59
|
3
|
Terracon Consultants Inc. |
15.56
|
4
|
Bury Inc. |
11.09
|
5
|
Good Fulton & Farrell |
6.49
|
6
|
CMA |
5.29
|
7
|
ARCADIS US/RTKL/Callison |
5.23
|
8
|
Apex Geoscience Inc. |
4.92
|
9
|
CTA Architects Engineers |
4.92
|
10
|
KFW Engineers & Surveying |
2.99
|
1
|
WSP | Parsons Brinckerhoff |
63.09
|
2
|
AECOM |
60.48
|
3
|
Pape-Dawson Engineers Inc. |
35.15
|
4
|
Brown & Gay Engineers Inc. |
32.39
|
5
|
Jones and Carter Inc. |
28.72
|
6
|
LJA Engineering Inc. |
22.00
|
7
|
Kimley-Horn |
6.00
|
8
|
Bury Inc. |
5.19
|
9
|
KFW Engineers & Surveying |
4.50
|
10
|
Parkhill, Smith & Cooper Inc. |
4.13
|
1
|
ARCADIS US/RTKL/Callison |
58.42
|
2
|
AECOM |
52.43
|
3
|
Cardno |
5.76
|
4
|
HDR |
2.40
|
5
|
Halff Associates Inc. |
1.96
|
6
|
Burns & McDonnell |
1.51
|
1
|
S & B Engineers and Constructors Ltd. |
105.98
|
2
|
Ambitech Engineering Corp. |
7.08
|
3
|
AECOM |
6.80
|
4
|
T. Baker Smith LLC |
1.81
|
5
|
Terracon Consultants Inc. |
1.72
|
1
|
Kimley-Horn |
4.20
|
2
|
Halff Associates Inc. |
2.59
|
3
|
Bury Inc. |
2.28
|
4
|
HDR |
1.73
|
5
|
Parkhill, Smith & Cooper Inc. |
1.26
|
6
|
Freese and Nichols Inc. |
1.21
|
7
|
HOK LP |
1.10
|
8
|
LJA Engineering Inc. |
1.00
|
1
|
Wiss, Janney, Elstner Associates Inc. |
5.52
|
2
|
FKP Architects Inc. |
3.00
|
3
|
HDR |
2.77
|
4
|
Mathes Brierre Architects |
1.38
|
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