| Business | Phone |
| E & R Car Stereos 1600 E Holt Ave # E34, Pomona 91767 | (909) 469-0464 |
| Five & Two 237 W Holt Ave, Pomona 91768 | (909) 620-7079 |
| Hector's Car Audio Tech 754 E Mission Blvd, Pomona 91766 | (909) 629-4530 |
| Audio Depot 663 Indian Hill Blvd, Pomona 91767 | (909) 622-7777 |
| Sound Electronics 1600 E Holt Ave, Pomona 91767 | (909) 629-9129 |
| Stereo Time 3103 N Garey Ave, Pomona 91767 | (909) 596-6915 |
| Audio World 568 W Holt Ave, Pomona 91768 | (909) 865-8865 |