| Business | Phone |
| Betty Byrd Inc 1700 Diagonal Rd # 450, Alexandria 22314 | (703) 415-1224 |
| Express Search Inc 2121 Eisenhower Ave 500, Alexandria 22314 | (703) 535-5455 |
| Woolcott & Co 1725 Duke St # 250, Alexandria 22314 | (703) 521-1010 |
| Us Patent & Trademark Office 600 Dulany St, Alexandria 22314 | (703) 308-4357 |
| Patent & Mark Finders 1600 Prince St, Alexandria 22314 | (703) 535-7374 |
| Lund Patent Svc Alexandria 22302 | (703) 684-0070 |
| L & P Patent Svc 3137 Mount Vernon Ave, Alexandria 22305 | (703) 739-9390 |
| Landon Ip 1700 Diagonal Rd 450, Alexandria 22314 | (703) 486-1150 |
| Nps & R Assoc Alexandria 22310 | (703) 719-6743 |