| Business | Phone |
| Beacon Fire & Safety 1450 Franquette Ave, Concord 94520 | (925) 689-2588 |
| National Fire Extinguisher Co 1450 Franquette Ave, Concord 94520 | (925) 676-7866 |
| Bay Area Fire Extinguisher Co Concord 94520 | (925) 680-1219 |
| Fire Eater 1928 Spring Lanect, Concord 94521 | (925) 370-7828 |
| Master Protection Corp Concord 94520 | (925) 685-5544 |