| Business | Phone |
| Computer Recon Technologies 1588 Arrow Hwy, La Verne 91750 | (909) 392-8555 |
| Dit Computer 1608 Yeager Ave, La Verne 91750 | (909) 596-6689 |
| H & R Computer Products 1518 Arrow Hwy, La Verne 91750 | (909) 593-6400 |
| Sharpe Systems Corp 1756 Golden Hills Rd, La Verne 91750 | (909) 593-9998 |