| Business | Phone |
| C Garretson Investigations Po Box 3372, Merced 95344 | (209) 384-1230 |
| Frank Ferreira Investigations Merced 95340 | (209) 383-5055 |
| Heritage Security & Invstgtn 3043 El Capitan Ave, Merced 95340 | (209) 722-6919 |
| La Guardia Security 646 W 20th St, Merced 95340 | (209) 381-0569 |
| Jack Uren 710 W 18th St # 2, Merced 95340 | (209) 385-3965 |
| Weather's Investigative Svc 717 Northwood Dr, Merced 95348 | (209) 726-3120 |