| Nilles and Nilles | Cincinnati, OH (US) | 895 | 44.4% |
| Niro Scavone Haller Plus Niro | Chicago, IL (US) | 651 | 24.0% |
| Rader Fishman Plus Grauer | Bloomfield Hills, MI (US) | 9,563 | 9.3% |
| Roger a Johnston | | 270 | 8.2% |
| Brinks Hofer Gilson and Lione | Chicago, IL (US) | 17,167 | 4.5% |
| Patterson Thuente Skaar and Christensen | Minneapolis, MN (US) | 1,916 | 3.7% |
| Armstrong Westerman and Hattori | Washington, DC (US) | 2,266 | 2.7% |
| Wall Marjama and Bilinski | Tampa, FL (US) | 868 | 1.8% |
| Armstrong Westerman Hattori Mcleland and Naughton | San Francisco, CA (US) | 8,557 | 0.85% |
| Antonelli Terry Stout Kraus | Houston, TX (US) | 24,870 | 0.56% |
