June 2019
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 Design Work Remains Steady Even as Fees Tighten, Uncertainties Rise
Click below for earlier editions:
2018 | 2017 | 2016 | 2015 | 2014 |
2013 | 2012 | 2011 | 2010
| Page 1 | Page 2 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | DAVIS PARTNERSHIP ARCHITECTS | 34.19 |
| 2 | JLG ARCHITECTS | 33.23 |
| 3 | STANTEC | 25.92 |
| 4 | OZ ARCHITECTURE INC. | 23.14 |
| 5 | HORD COPLAN MACHT INC. | 20.58 |
| 6 | DLR GROUP | 13.70 |
| 7 | GENSLER | 13.26 |
| 8 | RTA ARCHITECTS | 11.07 |
| 9 | TRYBA ARCHITECTS | 8.40 |
| 10 | MOA ARCHITECTURE | 7.99 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 26.76 |
| 2 | BURNS & MCDONNELL | 20.48 |
| 3 | MARTIN/MARTIN INC. CONSULTING ENGINEERS | 16.11 |
| 4 | STANLEY CONSULTANTS | 5.18 |
| 5 | JVA INC. | 4.60 |
| 6 | SHORT ELLIOTT HENDRICKSON | 3.75 |
| 7 | MERRICK & CO. | 3.30 |
| 8 | EV STUDIO | 3.22 |
| 9 | COLLINS ENGINEERS INC. | 3.11 |
| 10 | WISS, JANNEY, ELSTNER ASSOCIATES | 3.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 73.59 |
| 2 | HDR | 59.38 |
| 3 | WSP USA | 51.51 |
| 4 | BURNS & MCDONNELL | 36.57 |
| 5 | RS&H INC. | 33.86 |
| 6 | STANTEC | 28.76 |
| 7 | CAROLLO ENGINEERS INC. | 22.95 |
| 8 | KIMLEY-HORN | 19.19 |
| 9 | ATKINS, MEMBER OF THE SNC-LAVALIN GROUP | 15.65 |
| 10 | STANLEY CONSULTANTS | 14.21 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | BURNS & MCDONNELL | 58.52 |
| 2 | THE RMH GROUP INC. | 11.25 |
| 3 | ME ENGINEERS | 8.55 |
| 4 | MERRICK & CO. | 8.40 |
| 5 | AECOM | 5.35 |
| 6 | IMEG CORP. | 5.34 |
| 7 | AFFILIATED ENGINEERS INC. | 4.88 |
| 8 | WSP USA | 4.01 |
| 9 | DENNIS GROUP | 3.90 |
| 10 | ATKINS, MEMBER OF THE SNC-LAVALIN GROUP | 3.21 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HDR | 28.92 |
| 2 | CTL | THOMPSON INC. | 22.37 |
| 3 | AECOM | 20.07 |
| 4 | TERRACON CONSULTANTS INC. | 18.28 |
| 5 | SWCA ENVIRONMENTAL CONSULTANTS | 17.97 |
| 6 | LT ENVIRONMENTAL INC. | 16.00 |
| 7 | BURNS & MCDONNELL | 14.63 |
| 8 | ARCADIS NORTH AMERICA | 13.57 |
| 9 | STANTEC | 13.15 |
| 10 | KLEINFELDER | 8.25 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 56.52 |
| 2 | WSP USA | 49.52 |
| 3 | HDR | 46.25 |
| 4 | RS&H INC. | 37.88 |
| 5 | ATKINS, MEMBER OF THE SNC-LAVALIN GROUP | 18.42 |
| 6 | FELSBURG HOLT & ULLEVIG | 18.30 |
| 7 | SHORT ELLIOTT HENDRICKSON | 15.18 |
| 8 | STANTEC | 13.19 |
| 9 | WILSON & CO., ENGINEERS AND ARCHITECTS | 10.85 |
| 10 | DAVID EVANS ENTERPRISES INC. | 10.19 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | GENSLER | 14.99 |
| 2 | DAVIS PARTNERSHIP ARCHITECTS | 7.02 |
| 3 | STANTEC | 6.63 |
| 4 | TRYBA ARCHITECTS | 6.05 |
| 5 | EPPSTEIN UHEN ARCHITECTS INC. | 4.82 |
| 6 | CTL | THOMPSON INC. | 4.60 |
| 7 | AECOM | 4.47 |
| 8 | OZ ARCHITECTURE INC. | 3.85 |
| 9 | DLR GROUP | 3.00 |
| 10 | KIMLEY-HORN | 2.71 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | KIMLEY-HORN | 5.90 |
| 2 | STANTEC | 4.28 |
| 3 | GENSLER | 3.97 |
| 4 | MARTIN/MARTIN INC. CONSULTING ENGINEERS | 3.33 |
| 5 | TERRACON CONSULTANTS INC. | 1.93 |
| 6 | ATWELL LLC | 1.50 |
| 7 | BECK ARCHITECTURE | 1.29 |
| 8 | CTL | THOMPSON INC. | 1.26 |
| 9 | FARNSWORTH GROUP INC. | 1.02 |
| 10 | WISS, JANNEY, ELSTNER ASSOCIATES | 0.67 |
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