May 2019
The ENR California 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:
Economic Growth, Transportation Work Boost Region's Design Firms
Click below for earlier editions:
2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |
2007
| Page 1 | Page 2 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | WSP USA | 219.55 |
| 2 | STANTEC | 131.58 |
| 3 | HNTB CORP. | 130.70 |
| 4 | CAROLLO ENGINEERS INC. | 121.69 |
| 5 | KIMLEY-HORN | 104.90 |
| 6 | AECOM | 94.14 |
| 7 | BKF ENGINEERS | 92.47 |
| 8 | MICHAEL BAKER INTERNATIONAL | 82.12 |
| 9 | NV5 GLOBAL INC. | 81.14 |
| 10 | BURNS & MCDONNELL | 41.92 |
| 11 | MOTT MACDONALD | 33.46 |
| 12 | MARK THOMAS | 33.45 |
| 13 | KENNEDY/JENKS CONSULTANTS INC. | 29.35 |
| 14 | WOOD RODGERS INC. | 28.15 |
| 15 | PSOMAS | 28.05 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | CAROLLO ENGINEERS INC. | 93.30 |
| 2 | HDR | 38.66 |
| 3 | STANTEC | 31.04 |
| 4 | AECOM | 24.85 |
| 5 | KLEINFELDER | 19.84 |
| 6 | WOODARD & CURRAN | 18.54 |
| 7 | KENNEDY/JENKS CONSULTANTS INC. | 18.44 |
| 8 | PSOMAS | 13.42 |
| 9 | ARCADIS NORTH AMERICA | 12.93 |
| 10 | MARK THOMAS | 4.67 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 241.89 |
| 2 | HDR | 164.50 |
| 3 | ARUP | 31.06 |
| 4 | BURNS & MCDONNELL | 25.15 |
| 5 | THORNTON TOMASETTI INC. | 21.68 |
| 6 | NV5 GLOBAL INC. | 11.32 |
| 7 | WISS, JANNEY, ELSTNER ASSOCIATES | 11.20 |
| 8 | HNTB CORP. | 10.24 |
| 9 | IMEG CORP. | 10.20 |
| 10 | TRANSYSTEMS | 6.20 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 93.71 |
| 2 | BURNS & MCDONNELL | 67.08 |
| 3 | ARUP | 38.23 |
| 4 | STANTEC | 25.63 |
| 5 | IMEG CORP. | 23.7 |
| 6 | INTERFACE ENGINEERING INC. | 22.73 |
| 7 | AFFILIATED ENGINEERS INC. | 21.83 |
| 8 | EXP | 18.56 |
| 9 | SYSKA HENNESSY GROUP | 18.49 |
| 10 | SMITHGROUP | 17.18 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | GENSLER | 116.14 |
| 2 | LPA INC. | 18.45 |
| 3 | WARE MALCOMB | 18.12 |
| 4 | DES ARCHITECTS + ENGINEERS | 11.84 |
| 5 | STANTEC | 11.74 |
| 6 | HOK | 10.96 |
| 7 | DLR GROUP | 10.1 |
| 8 | PERKINS EASTMAN | 7.97 |
| 9 | SMITHGROUP | 4.93 |
| 10 | HDR | 4.7 |
| 11 | JCJ ARCHITECTURE | 4.31 |
| 12 | EXP | 4.14 |
| 13 | STEINBERG HART | 3.73 |
| 14 | CORGAN ASSOCIATES INC. DBA CORGAN | 3.26 |
| 15 | ZGF ARCHITECTS LLP | 2.65 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | PSOMAS | 35.55 |
| 2 | BKF ENGINEERS | 17.61 |
| 3 | WESTLAND GROUP INC. | 10.49 |
| 4 | STANTEC | 10.31 |
| 5 | NV5 GLOBAL INC. | 10.07 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 304.84 |
| 2 | HDR | 183.52 |
| 3 | ARCADIS NORTH AMERICA | 126.22 |
| 4 | STANTEC | 107.09 |
| 5 | KLEINFELDER | 74.78 |
| 6 | NINYO & MOORE GEOTECHNICAL AND ENVIRONMENTAL SCIENCES CONSULTANTS | 51.44 |
| 7 | GEOCON | 40 |
| 8 | WOODARD & CURRAN | 37.44 |
| 9 | LANGAN | 35.9 |
| 10 | BURNS & MCDONNELL | 25.15 |
| 11 | NV5 GLOBAL INC. | 22.86 |
| 12 | SWCA ENVIRONMENTAL CONSULTANTS | 22.11 |
| 13 | TERRACON CONSULTANTS INC. | 21.07 |
| 14 | MICHAEL BAKER INTERNATIONAL | 20.37 |
| 15 | GEI CONSULTANTS INC. | 17.45 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | CARDNO INC. | 24.46 |
| 2 | NV5 GLOBAL INC. | 21.1 |
| 3 | KLEINFELDER | 14.13 |
| 4 | STEINBERG HART | 10.43 |
| 5 | PSOMAS | 10.17 |
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