| Williams Morgan and Amerson | Houston, TX (US) | 2,278 | 14.6% |
| Oliff and Berridge | Alexandria, VA (US) | 41,543 | 3.3% |
| Kenyon Kenyon | Washington, DC (US) | 27,365 | 1.6% |
| Staas Halsey | Washington, DC (US) | 34,801 | 1.6% |
| Antonelli Terry Stout Kraus | Houston, TX (US) | 24,870 | 1.3% |
| Oblon Spivak Mcclelland Maier and Neustadt | Alexandria, VA (US) | 92,642 | 1.2% |
| Jordan and Hamburg | New York, NY (US) | 6,808 | 1.1% |
| Rader Fishman Plus Grauer | Bloomfield Hills, MI (US) | 9,563 | 1.0% |
| Arent Fox Kintner Plotkin Kahn | Washington, DC (US) | 3,631 | 0.97% |
| Pillsbury Winthrop | San Francisco, CA (US) | 4,795 | 0.63% |
