| Business | Phone |
| Accurate Investigations Po Box 6847, Warwick 2887 | (401) 737-8248 |
| Claims Investigation Svc Inc Po Box 6884, Warwick 2887 | (401) 782-6513 |
| Investigative Services Inc 111 Airport Rd # 6, Warwick 2889 | (401) 732-9800 |
| Northeast Detective Bureau Inc 2845 Post Rd # 214, Warwick 2886 | (401) 739-3466 |
| Russo Associates Inc 34 Hillside Dr, Warwick 2889 | (401) 739-1815 |
| R F Lewis Private Invstgtn 333 Strawberry Field Rd, Warwick 2886 | (401) 739-0600 |