| Business | Phone |
| Dws Assoc 3137 Castro Valley Blvd, Castro Valley 94546 | (510) 728-9861 |
| James Steven & Assoc Po Box 2354, Castro Valley 94546 | (510) 537-0600 |
| Payette Investigations & Svc Po Box 21003, Castro Valley 94546 | (510) 581-8064 |
| Southland Claims Svc 3636 Castro Valley Blvd # 2, Castro Valley 94546 | (510) 247-9584 |