June 2023
The ENR Northwest Top Design Firms list, 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:
West Coast Designers Remain Wary Despite Strong Results
Click below for earlier editions:
2022 | 2021 | 2020 | 2019 | 2018 | 2017
RANK | FIRM | $ MIL. |
---|---|---|
1 | WSP USA | 125.38 |
2 | HNTB Corp. | 122.34 |
3 | HDR | 121.38 |
4 | Parametrix | 86.40 |
5 | Stantec | 63.42 |
6 | AECOM | 55.66 |
7 | David Evans Enterprises Inc. | 53.30 |
8 | Parsons | 45.90 |
9 | ZGF | 43.84 |
10 | Gensler | 38.66 |
11 | NBBJ | 35.20 |
12 | Otak Inc. | 34.40 |
13 | Arcadis North America | 33.02 |
14 | PBS Engineering and Environmental Inc. | 31.09 |
15 | LMN Architects | 28.50 |
16 | Terracon | 28.33 |
17 | DLR Group | 27.70 |
18 | Mott MacDonald | 24.50 |
19 | Burns & McDonnell | 22.75 |
20 | Salas O'Brien | 22.55 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | David Evans Enterprises Inc. | 102.10 |
2 | HDR | 78.66 |
3 | Stantec | 59.15 |
4 | ZGF | 55.01 |
5 | WSP USA | 47.76 |
6 | Otak Inc. | 35.40 |
7 | Parametrix | 21.67 |
8 | PBS Engineering and Environmental Inc. | 19.84 |
9 | Burns & McDonnell | 19.16 |
10 | AECOM | 15.24 |
11 | Gensler | 12.68 |
12 | Kennedy/Jenks Consultants Inc. | 10.19 |
13 | DLR Group | 9.40 |
14 | NBBJ | 8.50 |
15 | Terracon | 7.56 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HDR | 27.17 |
2 | R&M Consultants Inc. | 25.47 |
3 | Stantec | 19.78 |
4 | WSP USA | 17.86 |
5 | AECOM | 16.11 |
6 | Michael Baker International | 14.02 |
7 | NBBJ | 10.00 |
8 | Arcadis North America | 5.07 |
9 | D’Amato Conversano Inc., DBA DCI Engineers | 0.82 |
10 | Kimley-Horn | 0.69 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | ZGF | 86.83 |
2 | NBBJ | 49.90 |
3 | LMN Architects | 26.50 |
4 | DLR Group | 22.60 |
5 | Gensler | 22.00 |
6 | MG2 | 15.70 |
7 | GGLO | 12.98 |
8 | Weber Thompson | 10.40 |
9 | Otak Inc. | 9.50 |
10 | Stantec | 9.01 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HNTB Corp. | 123.21 |
2 | Parametrix | 88.74 |
3 | WSP USA | 62.52 |
4 | David Evans Enterprises Inc. | 60.80 |
5 | AECOM | 52.02 |
6 | Stantec | 44.24 |
7 | Parsons | 30.20 |
8 | Kimley-Horn | 24.78 |
9 | Otak Inc. | 22.90 |
10 | Mott MacDonald | 19.82 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | Gensler | 33.98 |
2 | NBBJ | 28.50 |
3 | ZGF | 17.12 |
4 | DLR Group | 14.70 |
5 | Arup US Inc. | 12.57 |
6 | LMN Architects | 11.37 |
7 | Salas O'Brien | 9.57 |
8 | AECOM | 8.81 |
9 | D’Amato Conversano Inc., DBA DCI Engineers | 7.86 |
10 | Terracon | 7.61 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HDR | 89.65 |
2 | WSP USA | 63.72 |
3 | Arcadis North America | 32.16 |
4 | Stantec | 31.80 |
5 | PBS Engineering and Environmental Inc. | 29.01 |
6 | David Evans Enterprises Inc. | 19.50 |
7 | Terracon | 17.81 |
8 | AECOM | 17.40 |
9 | R&M Consultants Inc. | 5.45 |
10 | Kleinfelder | 5.09 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | Stantec | 12.08 |
2 | Burns & McDonnell | 9.68 |
3 | HDR | 6.56 |
4 | DLR Group | 5.50 |
5 | WSP USA | 5.29 |
6 | Otak Inc. | 3.70 |
7 | AECOM | 1.85 |
8 | Affiliated Engineers Inc. | 1.41 |
9 | Michael Baker International | 1.32 |
10 | Parametrix | 1.12 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | ZGF | 32.64 |
2 | NBBJ | 24.80 |
3 | Stantec | 6.56 |
4 | Affiliated Engineers Inc. | 5.99 |
5 | WSP USA | 3.68 |
6 | Gensler | 3.24 |
7 | HDR | 1.31 |
8 | DLR Group | 1.30 |
9 | Terracon | 1.25 |
10 | Perkins Eastman Architects | 1.07 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HNTB Corp. | 123.54 |
2 | HDR | 114.99 |
3 | WSP USA | 104.84 |
4 | David Evans Enterprises Inc. | 80.00 |
5 | Parametrix | 64.45 |
6 | Parsons | 45.10 |
7 | AECOM | 31.75 |
8 | Otak Inc. | 24.70 |
9 | Mott MacDonald | 24.47 |
10 | R&M Consultants Inc. | 21.47 |
11 | ZGF | 21.20 |
12 | Stantec | 17.49 |
13 | Psomas | 15.40 |
14 | Moffatt & Nichol | 14.11 |
15 | Kimley-Horn | 12.26 |
16 | PBS Engineering and Environmental Inc. | 10.58 |
17 | Terracon | 5.87 |
18 | Michael Baker International | 5.63 |
19 | Atkins, Member of the SNC-Lavalin Group | 4.31 |
20 | Burns & McDonnell | 2.88 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HDR | 120.20 |
2 | D’Amato Conversano Inc., DBA DCI Engineers | 20.30 |
3 | David Evans Enterprises Inc. | 14.50 |
4 | AECOM | 13.05 |
5 | Parsons | 7.00 |
6 | Moffatt & Nichol | 5.32 |
7 | Parametrix | 5.22 |
8 | Mott MacDonald | 5.16 |
9 | Wiss, Janney, Elstner Associates | 4.83 |
10 | IMEG | 4.40 |
11 | Atkins, Member of the SNC-Lavalin Group | 3.91 |
12 | Otak Inc. | 3.60 |
12 | DLR Group | 3.60 |
14 | WSP USA | 3.50 |
15 | Burns & McDonnell | 2.82 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | WSP USA | 61.17 |
2 | Stantec | 35.28 |
3 | Burns & McDonnell | 29.85 |
4 | Salas O'Brien | 21.13 |
5 | Affiliated Engineers Inc. | 19.14 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | DLR Group | 9.00 |
2 | ZGF | 8.69 |
3 | Otak Inc. | 6.70 |
4 | LMN Architects | 6.42 |
5 | WSP USA | 1.30 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | HDR | 27.15 |
2 | Parametrix | 14.16 |
3 | Kennedy/Jenks Consultants Inc. | 12.28 |
4 | David Evans Enterprises Inc. | 6.90 |
5 | WSP USA | 6.82 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | ZGF | 57.91 |
2 | LMN Architects | 22.02 |
3 | Stantec | 21.88 |
4 | HDR | 18.40 |
5 | Arup US Inc. | 18.28 |
RANK | FIRM | $ MIL. |
---|---|---|
1 | David Evans Enterprises Inc. | 20.80 |
2 | PBS Engineering and Environmental Inc. | 4.95 |
3 | Parametrix | 4.32 |
4 | R&M Consultants Inc. | 3.75 |
5 | Otak Inc. | 3.70 |
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