| Business | Phone |
| Buckles-Smith Electric Co 5121 Port Chicago Hwy, Concord 94520 | (925) 363-4282 |
| Independent Electric Supply 1321 Galaxy Way # A, Concord 94520 | (925) 827-9988 |
| Pacific Electronics 2170 Solano Way, Concord 94520 | (925) 682-4700 |
| Platt Electric Supply Inc 1301 Galaxy Way # E, Concord 94520 | (925) 682-8150 |
| Rexel Pacific 1251 Franquette Ave, Concord 94520 | (925) 825-3844 |
| Royal Wholesale Electric 1340 Galaxy Way # A, Concord 94520 | (925) 671-7870 |
| Superior Electric Supply Co 1641 Challenge Dr, Concord 94520 | (925) 798-5450 |
| Wesco Distributing Inc 2500 Dean Lesher Dr # C, Concord 94520 | (925) 246-7160 |
| Century Sales Po Box 21225, Concord 94521 | (925) 609-9488 |
| Exise Concord 94520 | (925) 825-9925 |