| Business | Phone |
| Desco Development Co 3675 Mt Diablo Blvd # 350, Lafayette 94549 | (925) 283-8470 |
| Cortese Investment Co 21 Lafayette Cir # 200, Lafayette 94549 | (925) 283-8777 |
| Edward Pike Co 3470 Mount Diablo Blvd, Lafayette 94549 | (925) 299-4878 |
| Stuart Co 1007 Oak Hill Rd # C, Lafayette 94549 | (925) 284-1115 |
| Tioga Development Co 848 Sibert Ct, Lafayette 94549 | (925) 299-1822 |
| Town Park Investment Inc 790 Los Palos Mnr, Lafayette 94549 | (925) 283-0971 |