| Business | Phone |
| A & B Book Keeping Svc 6347 Thornton Ave, Newark 94560 | (510) 792-3441 |
| Complete Business Solutions 35453 Dumbarton Ct # B, Newark 94560 | (510) 790-8315 |
| Ec Financial Svc 6167 Jarvis Ave # 372, Newark 94560 | (209) 830-1968 |
| Pacific International 6279 Jarvis Ave, Newark 94560 | (510) 793-5147 |
| R & S Business Svc 37053 Cherry St # 115, Newark 94560 | (510) 797-5811 |
| Golden Gate Data Management Co 39675 Cedar Blvd # 260, Newark 94560 | (510) 445-0796 |
| AccountsNext 39887 Cedar Blvd. # 250, Newark 94560 | (510) 257-4563 |