June 2018
The ENR Mountain States Intermountain 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:
Despite the Booming Economy, a Talent Shortage and Tariffs Cast a Shadow Over Regional Design Industry
Click below for earlier editions:
2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HORROCKS ENGINEERS | 38.56 |
| 2 | AECOM | 27.50 |
| 3 | ARCHITECTURAL NEXUS | 19.99 |
| 4 | FFKR ARCHITECTS | 19.37 |
| 5 | GSBS ARCHITECTS | 16.73 |
| 6 | VAN BOERUM & FRANK ASSOCIATES INC. | 16.59 |
| 7 | MICHAEL BAKER INTERNATIONAL | 15.01 |
| 8 | SPECTRUM ENGINEERS | 14.89 |
| 9 | HDR | 13.33 |
| 10 | ELECTRICAL CONSULTANTS INC. | 12.90 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HORROCKS ENGINEERS | 35.52 |
| 2 | MORRISON-MAIERLE INC. | 18.67 |
| 3 | WSP USA | 12.80 |
| 4 | DOWL | 12.12 |
| 5 | ELECTRICAL CONSULTANTS INC. | 8.75 |
| 6 | STANLEY CONSULTANTS | 7.60 |
| 7 | MICHAEL BAKER INTERNATIONAL | 7.48 |
| 8 | SUNRISE ENGINEERING INC. | 6.53 |
| 9 | JONES & DEMILLE ENGINEERING INC. | 6.49 |
| 10 | STANTEC | 6.34 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | SPECTRUM ENGINEERS | 14.89 |
| 2 | VAN BOERUM & FRANK ASSOCIATES INC. | 13.27 |
| 3 | CTA ARCHITECTS ENGINEERS | 11.66 |
| 4 | MICHAEL BAKER INTERNATIONAL | 3.59 |
| 5 | DENNIS GROUP | 2.62 |
| 6 | ROYAL ENGINEERING | 2.54 |
| 7 | AECOM | 2.43 |
| 8 | METHOD STUDIO INC. | 1.52 |
| 9 | WOODARD & CURRAN | 1.31 |
| 10 | ATKINS, MEMBER OF THE SNC-LAVALIN GROUP | 1.16 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | FFKR ARCHITECTS | 8.76 |
| 2 | CTA ARCHITECTS ENGINEERS | 5.63 |
| 3 | ARCHITECTURAL NEXUS | 4.60 |
| 4 | VAN BOERUM & FRANK ASSOCIATES INC. | 3.69 |
| 5 | SPECTRUM ENGINEERS | 3.27 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | SPECTRUM ENGINEERS | 3.67 |
| 2 | HDR | 2.16 |
| 3 | STANTEC | 1.84 |
| 4 | ARCHITECTURAL NEXUS | 1.62 |
| 5 | WSP USA | 1.03 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ARCHITECTURAL NEXUS | 19.99 |
| 2 | FFKR ARCHITECTS | 18.59 |
| 3 | GSBS ARCHITECTS | 13.90 |
| 4 | CRSA INC. | 12.46 |
| 5 | CTA ARCHITECTS ENGINEERS | 10.95 |
| 6 | NAYLOR WENTWORTH LUND ARCHITECTS | 7.33 |
| 7 | METHOD STUDIO INC. | 6.21 |
| 8 | JRCA ARCHITECTS INC. | 2.91 |
| 9 | MICHAEL BAKER INTERNATIONAL | 1.70 |
| 10 | DENNIS GROUP | 1.09 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HDR | 25.41 |
| 2 | AECOM | 22.41 |
| 3 | MICHAEL BAKER INTERNATIONAL | 6.91 |
| 4 | MORRISON-MAIERLE INC. | 6.43 |
| 5 | REAVELEY ENGINEERS | 6.40 |
| 6 | SUNRISE ENGINEERING INC. | 4.14 |
| 7 | HORROCKS ENGINEERS | 3.97 |
| 8 | STANLEY CONSULTANTS | 3.89 |
| 9 | CTA ARCHITECTS ENGINEERS | 2.43 |
| 10 | COLLINS ENGINEERS INC. | 2.08 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HORROCKS ENGINEERS | 34.59 |
| 2 | HDR | 29.49 |
| 3 | MICHAEL BAKER INTERNATIONAL | 12.92 |
| 4 | STANLEY CONSULTANTS | 12.23 |
| 5 | WSP USA | 11.03 |
| 6 | MORRISON-MAIERLE INC. | 10.18 |
| 7 | AECOM | 8.60 |
| 8 | DOWL | 6.89 |
| 9 | PARAMETRIX | 6.82 |
| 10 | TERRACON CONSULTANTS INC. | 6.04 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ARCHITECTURAL NEXUS | 7.10 |
| 2 | SUNRISE ENGINEERING INC. | 6.85 |
| 3 | MICHAEL BAKER INTERNATIONAL | 5.78 |
| 4 | CTA ARCHITECTS ENGINEERS | 3.04 |
| 5 | JRCA ARCHITECTS INC. | 2.38 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | DENNIS GROUP | 4.04 |
| 2 | AECOM | 3.14 |
| 3 | STANTEC | 2.24 |
| 4 | ELECTRICAL CONSULTANTS INC. | 1.55 |
| 5 | WOODARD & CURRAN | 1.03 |
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