| Business | Phone |
| Champion Fire Protection Fremont 94538 | (510) 661-9533 |
| Driggs & Wood Inc 45571 Industrial Pl, Fremont 94538 | (510) 651-5771 |
| Fire-Matic Systems Inc 5165 Brandin Ct, Fremont 94538 | (510) 657-3473 |
| Triad Fire Protection Systs Co 32533 Lake Louise St, Fremont 94555 | (209) 835-2155 |
| Standard Fire Protection 5189 Farina Ln, Fremont 94538 | (510) 490-9102 |
| West Coast Fire Sprinklers 44267 Fremont Blvd # J, Fremont 94538 | (510) 659-9713 |