| Business | Phone |
| Bob Lessemun Investigations 4893 Prince William Pkwy # 201, Woodbridge 22192 | (703) 580-6611 |
| Investigative Svc Woodbridge 22192 | (703) 499-8904 |
| Richmond Group Intl 1954 Opitz Blvd, Woodbridge 22191 | (703) 494-4645 |
| Special Operations Group 1483 Old Bridge Rd 5, Woodbridge 22192 | (703) 492-8868 |
| Tel Star Investigations Inc 4239 Glendale Rd, Woodbridge 22193 | (703) 878-7800 |