June 2017
The ENR Mountain States Colorado & Wyoming 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:
Regional Designers Pleased With Market Growth and Diversity
Click below for earlier editions:
2016 | 2015 | 2014 |
2013 | 2012 | 2011 | 2010
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| RANK | FIRM | $ MIL. |
| 1 | AECOM | 30.28 |
| 2 | HDR | 26.78 |
| 3 | CTL | THOMPSON INC. | 17.47 |
| 4 | TERRACON CONSULTANTS INC. | 16.80 |
| 5 | LT ENVIRONMENTAL INC. | 14.12 |
| 6 | KLEINFELDER | 11.84 |
| 7 | ARCADIS NORTH AMERICA | 10.83 |
| 8 | STANTEC | 8.37 |
| 9 | NINYO & MOORE GEOTECHNICAL ENVIRONMENTAL SCIENCES CONSULTANTS | 7.00 |
| 10 | SWCA ENVIRONMENTAL CONSULTANTS | 4.39 |
| 11 | KENNEDY/JENKS CONSULTANTS INC. | 3.61 |
| 12 | WOODARD & CURRAN | 3.60 |
| 13 | JVA INC. | 3.39 |
| 14 | BURNS & MCDONNELL | 2.38 |
| 15 | ATKINS NORTH AMERICA | 2.36 |
| 16 | WSP | 2.16 |
| 17 | DOWL | 1.50 |
| 18 | ATWELL LLC | 1.00 |
| 19 | ALFRED BENESCH & CO. | 0.82 |
| 20 | DAVID EVANS ENTERPRISES INC. | 0.70 |
| RANK | FIRM | $ MIL. |
| 1 | HORD COPLAN MACHT | 18.16 |
| 2 | MOA ARCHITECTURE | 7.22 |
| 3 | DLR GROUP | 6.27 |
| 4 | BENNETT WAGNER GRODY ARCHITECTS | 4.62 |
| 5 | RTA ARCHITECTS | 3.77 |
| 6 | THE RMH GROUP | 3.46 |
| 7 | OZ ARCHITECTURE INC. | 3.28 |
| 8 | JVA INC. | 3.11 |
| 9 | MARTIN/MARTIN INC. | 2.43 |
| 10 | RNL DESIGN INC. | 2.19 |
| RANK | FIRM | $ MIL. |
| 1 | BURNS & MCDONNELL | 22.23 |
| 2 | AECOM | 20.97 |
| 3 | HDR | 14.58 |
| 4 | STANTEC | 7.28 |
| 5 | DEWBERRY | 5.11 |
| 6 | MERRICK & CO. | 5.00 |
| 7 | CAROLLO ENGINEERS INC. | 4.39 |
| 8 | DOWL | 3.00 |
| 9 | AYRES ASSOCIATES INC. | 2.63 |
| 10 | MORRISON-MAIERLE INC. | 2.58 |
| 11 | JVA INC. | 2.56 |
| 12 | STANLEY CONSULTANTS | 2.27 |
| 13 | KENNEDY/JENKS CONSULTANTS INC. | 2.20 |
| 14 | TERRACON CONSULTANTS INC. | 1.74 |
| 15 | KLEINFELDER | 1.68 |
| RANK | FIRM | $ MIL. |
| 1 | BURNS & MCDONNELL | 7.95 |
| 2 | MERRICK & CO. | 7.90 |
| 3 | AECOM | 5.68 |
| 4 | HDR | 5.24 |
| 5 | RNL DESIGN INC. | 4.43 |
| 6 | ATKINS NORTH AMERICA | 1.86 |
| 7 | DLR GROUP | 1.53 |
| 8 | NINYO & MOORE GEOTECHNICAL ENVIRONMENTAL SCIENCES CONSULTANTS | 1.50 |
| 9 | FARNSWORTH GROUP INC. | 1.41 |
| 10 | SHORT-ELLIOTT-HENDRICKSON INC. | 1.36 |
| RANK | FIRM | $ MIL. |
| 1 | MERRICK & CO. | 28.40 |
| 2 | THE RMH GROUP | 9.52 |
| 3 | AECOM | 9.24 |
| 4 | ME ENGINEERS | 6.80 |
| 5 | SWANSON RINK | 4.75 |
| 6 | BURNS & MCDONNELL | 3.61 |
| 7 | ATWELL LLC | 3.00 |
| 8 | AFFILIATED ENGINEERS INC. | 2.91 |
| 9 | WSP | 2.48 |
| 10 | CTA ARCHITECTS ENGINEERS | 2.23 |
| 11 | HDR | 2.05 |
| 12 | COREY ELECTRICAL ENGINEERING INC. | 1.85 |
| 13 | DLR GROUP | 1.21 |
| 14 | SMITH SECKMAN REID INC. | 1.18 |
| 15 | HARRIS GROUP INC. | 1.15 |
| RANK | FIRM | $ MIL. |
| 1 | GENSLER | 11.30 |
| 2 | BURNS & MCDONNELL | 10.04 |
| 3 | RNL DESIGN INC. | 8.87 |
| 4 | AECOM | 7.32 |
| 5 | DAVIS PARTNERSHIP ARCHITECTS | 5.42 |
| 6 | CTL | THOMPSON INC. | 3.86 |
| 7 | OZ ARCHITECTURE INC. | 3.33 |
| 8 | DLR GROUP | 3.06 |
| 9 | MARTIN/MARTIN INC. | 2.71 |
| 10 | BECK ARCHITECTURE LLC | 2.25 |
| 11 | RTA ARCHITECTS | 2.02 |
| 12 | NINYO & MOORE GEOTECHNICAL ENVIRONMENTAL SCIENCES CONSULTANTS | 1.95 |
| 13 | SWANSON RINK | 1.91 |
| 14 | TERRACON CONSULTANTS INC. | 1.85 |
| 15 | MOA ARCHITECTURE | 1.58 |
| 16 | COREY ELECTRICAL ENGINEERING INC. | 1.03 |
| 17 | FARNSWORTH GROUP INC. | 0.96 |
| 18 | JVA INC. | 0.87 |
| 19 | INTERGROUP ARCHITECTS | 0.72 |
| 20 | ROWLAND+BROUGHTON ARCHITECTURE AND URBAN DESIGN | 0.62 |
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