| Business | Phone |
| Bailey Fire & Special 2330 Liberty St, Parkersburg 26101 | (304) 424-6778 |
| W R Rhodes Investigations 612 Division St, Parkersburg 26101 | (304) 485-7759 |
| General Investigative Svc Parkersburg 26101 | (304) 485-1376 |
| Tri-S Investigations 1101 Camden Ave, Parkersburg 26101 | (304) 485-8444 |
| Investigation Management 305 4th St, Parkersburg 26101 | (304) 485-2430 |
| R L Hammond Investigations 1701 Dewey St, Parkersburg 26101 | (304) 428-3568 |