- A & R Electronics
- Al's Mobile Audio
- Assured Quality Svc
- Classic Audio
- Cole's Audio Video Systems
- Designer Sound
- Erie Systems
- Exclusive Sound & Home Inc
- Howell Electronics Inc
- Howell Electronics Inc
- K Electronics
- K Electronics
- Mobile Sound
- Sound Image Audio Video Design
- Sound Organisation
- South Street Svc Co
- Stereo & Video Integrators Inc
- Ultimate Sounds
- Venus Stereos & TV