May 2018
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:
Designers Bring Innovation to Growing Market
Click below for earlier editions:
2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |
2007
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| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | WSP USA | 215.47 |
| 2 | AECOM | 214.68 |
| 3 | HDR | 170.57 |
| 4 | HNTB CORP. | 113.17 |
| 5 | ARUP | 61.50 |
| 6 | KIMLEY-HORN | 58.32 |
| 7 | STANTEC | 57.93 |
| 8 | T.Y. LIN INTERNATIONAL | 56.92 |
| 9 | GENSLER | 47.18 |
| 10 | MOTT MACDONALD | 45.28 |
| 11 | PSOMAS | 31.74 |
| 12 | MICHAEL BAKER INTERNATIONAL | 30.68 |
| 13 | KLEINFELDER | 30.33 |
| 14 | TRANSYSTEMS | 29.00 |
| 15 | MARK THOMAS & CO. | 28.05 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | STANTEC | 14.55 |
| 2 | WOODARD & CURRAN | 10.26 |
| 3 | BURNS & MCDONNELL | 2.74 |
| 4 | KENNEDY/JENKS CONSULTANTS INC. | 2.71 |
| 5 | DENNIS GROUP | 2.45 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | BURNS & MCDONNELL | 132.29 |
| 2 | AECOM | 97.46 |
| 3 | HDR | 30.92 |
| 4 | STANTEC | 22.38 |
| 5 | KLEINFELDER | 9.39 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | AECOM | 200.86 |
| 2 | ARCADIS NORTH AMERICA | 111.05 |
| 3 | TERRACON CONSULTANTS INC. | 5.57 |
| 4 | WSP USA | 4.84 |
| 5 | BURNS & MCDONNELL | 4.20 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | STANTEC | 38.67 |
| 2 | SPEC SERVICES INC. | 38.50 |
| 3 | AECOM | 23.40 |
| 4 | CARDNO | 11.52 |
| 5 | LANGAN | 3.83 |
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