May 2026
The ENR East 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:
Designers Pin Growth on Public Sector and Data Center Markets
Click below for earlier editions:
2025 |
Click here for archived ENR New York and MidAtlantic top lists.
| Page 1 | Page 2 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | WSP USA | 53.01 |
| 2 | Ballinger | 42.11 |
| 3 | HDR | 40.35 |
| 4 | Stantec | 38.92 |
| 5 | IMEG | 32.60 |
| 6 | Shepley Bulfinch | 28.73 |
| 7 | HKS | 25.27 |
| 8 | Jaros, Baum & Bolles (JB&B) | 22.11 |
| 9 | Gensler | 17.75 |
| 10 | SmithGroup | 12.51 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Gensler | 14.19 |
| 2 | VHB | 10.69 |
| 3 | HKS | 9.54 |
| 4 | WSP USA | 7.79 |
| 5 | IMEG | 5.60 |
| 6 | AECOM | 4.84 |
| 7 | JCJ Architecture | 4.70 |
| 8 | IKM Architecture | 4.51 |
| 9 | Langan | 3.57 |
| 10 | Thornton Tomasetti | 2.50 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 33.30 |
| 2 | Stantec | 24.72 |
| 3 | HKS | 19.09 |
| 4 | Langan | 17.88 |
| 5 | WSP USA | 15.55 |
| 6 | Kimley-Horn | 13.34 |
| 7 | Elkus Manfredi Architects | 8.30 |
| 8 | Grimm + Parker Architects | 6.92 |
| 9 | Bowman Consulting Group Ltd. (Bowman) | 6.33 |
| 10 | IMEG | 6.20 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Langan | 39.25 |
| 2 | Bowman Consulting Group Ltd. (Bowman) | 32.78 |
| 3 | VHB | 30.89 |
| 4 | AECOM | 29.81 |
| 5 | WSP USA | 27.99 |
| 6 | ECS Group of Companies | 23.24 |
| 7 | Thornton Tomasetti | 20.70 |
| 8 | Gensler | 20.15 |
| 9 | Atwell LLC | 17.44 |
| 10 | Tetra Tech / Cosentini Associates | 15.98 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HDR | 31.99 |
| 2 | Vanderweil Engineers | 24.75 |
| 3 | ZGF | 22.61 |
| 4 | Elkus Manfredi Architects | 20.15 |
| 5 | Stantec | 15.32 |
| 6 | SmithGroup | 13.28 |
| 7 | WSP USA | 10.19 |
| 8 | Affiliated Engineers Inc. (AEI) | 8.02 |
| 9 | Arup US Inc. | 6.59 |
| 10 | IMEG | 6.40 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Colliers Engineering & Design | 153.81 |
| 2 | Civil & Environmental Consultants Inc. | 28.60 |
| 3 | Vocon | 25.10 |
| 4 | Woolpert | 24.35 |
| 5 | PS&S | 22.14 |
| 6 | ECS Group of Companies | 20.81 |
| 7 | Kleinfelder Inc. | 20.49 |
| 8 | Woodard & Curran | 16.23 |
| 9 | BRAVO Group | 9.98 |
| 10 | Rummel, Klepper and Kahl LLP | 9.21 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Beyer Blinder Belle Architects & Planners | 27.18 |
| 2 | Quinn Evans | 18.53 |
| 3 | Ayers Saint Gross | 12.17 |
| 4 | Thornton Tomasetti | 10.18 |
| 5 | SmithGroup | 8.99 |
| 6 | DLR Group | 5.33 |
| 6 | Elkus Manfredi Architects | 5.33 |
| 8 | AECOM | 4.36 |
| 9 | Arup US Inc. | 3.75 |
| 10 | Langan | 3.57 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 194.27 |
| 2 | Arcadis North America | 186.18 |
| 3 | TRC Cos. | 120.01 |
| 4 | WSP USA | 106.17 |
| 5 | Langan | 85.80 |
| 6 | Parsons | 76.74 |
| 7 | GEI Consultants Inc. | 45.61 |
| 8 | GFT | 36.20 |
| 9 | Woodard & Curran | 33.91 |
| 10 | Terracon | 24.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Gensler | 31.94 |
| 2 | Kimley-Horn | 17.59 |
| 3 | ECS Group of Companies | 10.36 |
| 4 | Terracon | 10.30 |
| 5 | WSP USA | 10.24 |
| 6 | VHB | 7.00 |
| 7 | Bowman Consulting Group Ltd. (Bowman) | 6.71 |
| 8 | GZA | 6.45 |
| 9 | Arcadis North America | 5.46 |
| 10 | Dewberry | 4.36 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Arcadis North America | 125.75 |
| 2 | WSP USA | 23.26 |
| 3 | CHA Consulting Inc. | 18.82 |
| 4 | Burns & McDonnell | 17.40 |
| 5 | Civil & Environmental Consultants Inc. | 14.90 |
| 6 | PS&S | 8.83 |
| 7 | Stantec | 8.63 |
| 8 | Salas O’Brien | 7.79 |
| 9 | Terracon | 7.60 |
| 10 | Woodard & Curran | 7.51 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Gensler | 41.87 |
| 2 | Langan | 14.50 |
| 3 | Stantec | 10.92 |
| 4 | Thornton Tomasetti | 8.49 |
| 5 | HNTB Corp. | 7.75 |
| 6 | CHA Consulting Inc. | 7.59 |
| 7 | Kimley-Horn | 6.92 |
| 8 | IMEG | 5.40 |
| 9 | WSP USA | 5.13 |
| 10 | AECOM | 4.95 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Burns & McDonnell | 38.68 |
| 2 | Arcadis North America | 29.76 |
| 3 | Stantec | 14.26 |
| 4 | Colliers Engineering & Design | 14.00 |
| 5 | GZA | 12.60 |
| 6 | Fuss & O’Neill Inc. | 12.44 |
| 7 | CHA Consulting Inc. | 10.65 |
| 8 | Merrick & Co. | 8.80 |
| 9 | Woodard & Curran | 7.25 |
| 10 | Langan | 6.26 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Kleinfelder Inc. | 41.56 |
| 2 | Civil & Environmental Consultants Inc. | 30.80 |
| 3 | Burns & McDonnell | 22.39 |
| 4 | RETTEW Associates Inc. | 14.24 |
| 5 | Mott MacDonald | 13.60 |
| 6 | TRC Cos. | 12.51 |
| 7 | Michael Baker International | 11.89 |
| 8 | Stantec | 11.39 |
| 9 | WSP USA | 9.44 |
| 10 | Colliers Engineering & Design | 7.50 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 823.51 |
| 2 | WSP USA | 634.68 |
| 3 | HNTB Corp. | 589.32 |
| 4 | STV | 412.80 |
| 5 | GFT | 382.50 |
| 6 | Greenman-Pedersen | 279.69 |
| 7 | Rummel, Klepper and Kahl LLP | 269.03 |
| 8 | Michael Baker International | 263.73 |
| 9 | Parsons | 244.54 |
| 10 | VHB | 239.52 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Burns & McDonnell | 378.16 |
| 2 | TRC Cos. | 334.14 |
| 3 | WSP USA | 285.11 |
| 4 | CHA Consulting Inc. | 70.55 |
| 5 | AECOM | 56.60 |
| 6 | Stantec | 52.62 |
| 7 | Kimley-Horn | 51.96 |
| 8 | GFT | 47.40 |
| 9 | Dewberry | 45.74 |
| 10 | Kleinfelder Inc. | 44.26 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 216.66 |
| 2 | Arcadis North America | 155.77 |
| 3 | Stantec | 103.06 |
| 4 | Michael Baker International | 65.78 |
| 5 | GFT | 55.80 |
| 6 | WSP USA | 42.56 |
| 7 | HDR | 40.96 |
| 8 | Kleinfelder Inc. | 40.72 |
| 9 | Dewberry | 38.71 |
| 10 | Mott MacDonald | 36.16 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HDR | 75.37 |
| 2 | Woodard & Curran | 73.32 |
| 3 | AECOM | 66.45 |
| 4 | Tetra Tech / Cosentini Associates | 56.22 |
| 5 | Wright-Pierce | 36.92 |
| 6 | Mott MacDonald | 35.90 |
| 7 | Rummel, Klepper and Kahl LLP | 29.70 |
| 8 | WSP USA | 29.33 |
| 9 | Colliers Engineering & Design | 26.23 |
| 10 | Arcadis North America | 25.85 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Colliers Engineering & Design | 41.31 |
| 2 | Westwood Professional Services | 30.64 |
| 3 | Woolpert | 25.00 |
| 4 | Herbert, Rowland & Grubic Inc. | 21.40 |
| 5 | AECOM | 14.64 |
| 6 | VHB | 12.96 |
| 7 | BayLand Consultants & Designers Inc. | 11.05 |
| 8 | Fuss & O’Neill Inc. | 9.55 |
| 9 | Jaros, Baum & Bolles (JB&B) | 7.90 |
| 10 | Stantec | 7.61 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Burns & McDonnell | 94.81 |
| 2 | Corgan | 83.50 |
| 3 | Kimley-Horn | 49.44 |
| 4 | Gensler | 42.35 |
| 5 | Bala Consulting Engineers Inc. | 42.00 |
| 6 | WSP USA | 34.38 |
| 7 | ECS Group of Companies | 34.02 |
| 8 | Salas O’Brien | 31.13 |
| 9 | Vanderweil Engineers | 25.04 |
| 10 | Langan | 23.25 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | Gensler | 169.95 |
| 2 | AECOM | 152.98 |
| 3 | Stantec | 117.68 |
| 4 | Corgan | 97.15 |
| 5 | HDR | 71.53 |
| 6 | Beyer Blinder Belle Architects & Planners | 61.65 |
| 7 | ZGF | 61.20 |
| 8 | STV | 60.80 |
| 9 | HKS | 48.28 |
| 10 | Quinn Evans | 47.62 |
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