| Business | Phone |
| Abi Business Brokers 115 Ryan Industrial Ct # 210, San Ramon 94583 | (925) 838-8150 |
| Contra Costa Business 2641 Crow Canyon Rd # 4, San Ramon 94583 | (925) 820-7204 |
| Mergers & Acquisitions Consortium, Inc P. O. Box 1495, San Ramon 94583 | (925) 829-3027 |
| Onyx Associates 111 Deerwood Pl # 200, San Ramon 94583 | (707) 251-3822 |