| Wood Phillips Mason Recktenwald and Vansanten | | — | 48.7% |
| Wood Phillips Van Santen Clark and Mortimer | | — | 47.7% |
| Wood Phillips Vansanten Hoffman and Ertel | | — | 39.7% |
| Lockwood Alex Fitzgibbon and Cummings | Washington, DC (US) | 1,171 | 24.8% |
| Cushman Darby and Cushman Ip Group of Pillsbury Madison and Sutro | San Francisco, CA (US) | 36,526 | 22.4% |
| Wood Dalton Phillips Mason and Rowe | | — | 10.0% |
| Sughrue Mion Zinn Macpeak and Seas | Washington, DC (US) | 43,746 | 7.6% |
| Stevens Davis Miller Mosher | Washington, DC (US) | 12,907 | 5.6% |
| Laff Whitesel Conte Saret | Indianapolis, IN (US) | 2,862 | 4.8% |
| Jordan and Hamburg | New York, NY (US) | 6,808 | 4.3% |