| Business | Phone |
| Felix Weyle Investigations Po Box 750412, Petaluma 94975 | (707) 763-2155 |
| Industrial Risk Specialists 709 Petaluma Blvd N, Petaluma 94952 | (707) 769-2974 |
| Don Leary Petaluma 94952 | (707) 762-1005 |
| Mark D Barnett Private 40 4th St # 208, Petaluma 94952 | (707) 778-0353 |
| Price & Mulvihill Invstgtns 19 4th St, Petaluma 94952 | (707) 781-1888 |
| Russ Ahlgrim & Assoc 7777 Lakeville Hwy, Petaluma 94954 | (707) 763-5099 |