| Business | Phone |
| Itpi Corp 7565 Lochinvar Ct, Highland 92346 | (909) 862-8078 |
| Omnivision Custom Software 6836 Palm Ave, Highland 92346 | (909) 862-2229 |
| Rancho Nopales 7158 San Francisco St, Highland 92346 | (909) 863-0106 |
| Systems Protocol 7785 Silver Buckle Rd, Highland 92346 | (909) 425-0855 |