| Business | Phone |
| David Perticone Investigations Po Box 11886, San Rafael 94912 | (415) 456-5302 |
| John Kushwara Insurance Invst 710 C St # 216, San Rafael 94901 | (415) 459-0956 |
| Allan M Power Investigator Po Box 6772, San Rafael 94903 | (415) 492-1110 |
| Baker Street Investigations 454 Las Gallinas Ave, San Rafael 94903 | (415) 507-9087 |
| Ronald J Derenzo Investigative Po Box 4331, San Rafael 94913 | (415) 507-0241 |
| Garety & Rogers 1363 Lincoln Ave # 7, San Rafael 94901 | (415) 258-1880 |
| Infotech Investigation Svc 38 Front St, San Rafael 94901 | (415) 258-0444 |
| Mackintosh Investigations San Rafael 94901 | (415) 925-1518 |
| Marcia Blackman Investigations 842 Hacienda Way, San Rafael 94903 | (415) 472-1112 |
| Miller Confidential Svc San Rafael 94901 | (415) 485-2920 |
| Nikas Associates San Rafael 94901 | (415) 454-4558 |
| Pamela Pierce Investigations 307 H St, San Rafael 94901 | (415) 566-6190 |
| Richard Schmidt Investigations Po Box 150906, San Rafael 94915 | (415) 454-8215 |
| West Coast Investigations 1000 4th St # 775, San Rafael 94901 | (415) 453-0550 |