| Business | Phone |
| Audio America 16855 Valley Blvd # J, Fontana 92335 | (909) 355-5510 |
| Audio Latino 15339 Foothill Blvd, Fontana 92335 | (909) 854-0964 |
| Audio Master 9429 Sierra Ave, Fontana 92335 | (909) 357-8406 |
| Bass Sound 9773 Sierra Ave, Fontana 92335 | (909) 428-0342 |
| G & R Auto Sounds 8172 Sierra Ave, Fontana 92335 | (909) 350-7300 |
| Race N Rock 16846 Valley Blvd, Fontana 92335 | (909) 350-2003 |