| Business | Phone |
| Abletronics 9155 Archibald Ave # E, Rancho Cucamonga 91730 | (909) 987-7606 |
| B & K Electric Wholesale 10090 4th St, Rancho Cucamonga 91730 | (909) 989-6608 |
| Hotech International Co 10700 Jersey Blvd, Rancho Cucamonga 91730 | (909) 941-8846 |
| Preferred Elctronics 10406 Enterprise St, Rancho Cucamonga 91730 | (909) 987-4050 |
| Rancho Distribution & Control 9816 Crescent Center Dr, Rancho Cucamonga 91730 | (909) 484-8510 |
| Rexel Calcon 10256 6th St, Rancho Cucamonga 91730 | (909) 945-5313 |
| Royal Wholesale Electric 10096 6th St # B, Rancho Cucamonga 91730 | (909) 944-6899 |
| Walters Wholesale 10864 Edison Ct, Rancho Cucamonga 91730 | (909) 989-7058 |
| Manutech 8739 Lion St, Rancho Cucamonga 91730 | (909) 980-0090 |