| Business | Phone |
| Advanced Electromagnetic Tech 10606 7th St, Rancho Cucamonga 91730 | (909) 483-4088 |
| Inland Aerospace Supply Co Inc 10762 Edison Ct, Rancho Cucamonga 91730 | (909) 948-8444 |
| Alliance Aerospace Inc 9774 Crescent Center Dr # 501, Rancho Cucamonga 91730 | (909) 291-8040 |