| Business | Phone |
| Digital Satellite Systems 9309 Foothill Blvd, Rancho Cucamonga 91730 | (760) 244-4488 |
| Dsi Distributing 9357 Richmond Pl # 103, Rancho Cucamonga 91730 | (909) 476-8100 |
| Glaser Electronics 8714 Lion St # F, Rancho Cucamonga 91730 | (909) 944-5010 |