| Us Naval Research Laboratory | Washington, DC (US) | 1,196 | 51.8% |
| Cantor Colburn | Hartford, CT (US) | 61,527 | 9.1% |
| Oblon Mcclelland Maier and Neustadt | Alexandria, VA (US) | 56,006 | 8.4% |
| Oliff | Alexandria, VA (US) | 41,712 | 5.9% |
| Cameron a King | Cedar Park, TX (US) | 95 | 5.8% |
| Sughrue Mion | Washington, DC (US) | 102,569 | 5.6% |
| Westerman Hattori Daniels and Adrian | Tysons, VA (US) | 18,886 | 5.6% |
| Novak Druce Connolly Bove Plus Quigg | Houston, TX (US) | 6,579 | 5.5% |
| Birch Stewart Kolasch and Birch | Merrifield, VA (US) | 99,481 | 4.6% |
| Lerner David Littenberg Krumholz and Mentlik | Cranford, NJ (US) | 19,422 | 4.5% |
