| Business | Phone |
| Alexandria Research Institute 206 N Washington St, Alexandria 22314 | (703) 518-8080 |
| Bae Systems 1400 Duke St A, Alexandria 22314 | (703) 549-2412 |
| Cygnus Research Corp 211 N Union St 100, Alexandria 22314 | (703) 684-4898 |
| Vibrations & Sounds Solutions 809 N Royal St, Alexandria 22314 | (703) 683-0293 |
| Samueli Institute 1700 Diagonal Rd 400, Alexandria 22314 | (703) 299-4800 |
| Research Opportunities Mgmt 600 Woodland Ter, Alexandria 22302 | (703) 683-1808 |
| National Oil & Heat Research 211 N Union St # 100, Alexandria 22314 | (703) 519-4204 |
| Mevatec Corp 1650 King St, Alexandria 22314 | (703) 683-5201 |
| Isa Assoc 201 N Union St 330, Alexandria 22314 | (703) 739-0880 |
| Institute For Public Research 4401 Ford Ave, Alexandria 22302 | (703) 824-2600 |
| Applied Research Solutions Alexandria 22310 | (703) 407-7218 |
| Gamay Flavors 4717 Eisenhower Ave B, Alexandria 22304 | (703) 751-7430 |
| Vail Research & Technology 5904 Richmond Hwy, Alexandria 22303 | (703) 329-9403 |
| Nova Research Inc 1900 Elkin St 230, Alexandria 22308 | (703) 360-3900 |