| Business | Phone |
| California Car Stereo Co 7506 Katella Ave, Stanton 90680 | (714) 892-6046 |
| Car Stereo Expert 7506 Katella Ave, Stanton 90680 | (714) 638-4111 |
| Car Stereo Outlet 11855 Beach Blvd, Stanton 90680 | (714) 638-4100 |
| Competition Soundworks 10691 Beach Blvd, Stanton 90680 | (714) 220-6700 |