| Business | Phone |
| State Wide Detective Agency 829 E Broadway # B, San Gabriel 91776 | (626) 292-5805 |
| Covenant Investigations 1012 S San Gabriel Blvd, San Gabriel 91776 | (626) 287-2709 |
| Detectives Inc San Gabriel 91776 | (626) 286-0550 |
| State Wide Detective Agency 829 E Broadway # B, San Gabriel 91776 | (951) 601-6403 |