| Business | Phone |
| Eddies Investigation 20 Lakeview Ave, Rockville Centre 11570 | (516) 764-0370 |
| First Services 100 Merrick Rd, Rockville Centre 11570 | (516) 594-8500 |
| Private Eyes Investigative Svc Rockville Centre 11570 | (516) 766-0033 |
| Informational Investigation Rockville Centre 11570 | (516) 763-4640 |