| Business | Phone |
| Citation Northern Inc 1785 Arnold Dr # 100, Martinez 94553 | (925) 372-0300 |
| Frank B Hall Iii 535 Main St, Martinez 94553 | (925) 370-6226 |
| Security Owners Corp 555 Escobar St, Martinez 94553 | (925) 228-5872 |
| Hot Springs Development 1333 Pine St # I, Martinez 94553 | (925) 228-6183 |
| Jefferson Pointe Dev Co 535 Main St, Martinez 94553 | (925) 370-6226 |