| Name of companys | Phone Numbers |
|---|---|
| Alpine | 800.ALPINE-1 |
| B&W Loudspeakers | 978.664.2870 |
| Boston Acoustics | 978.538.5000 |
| Bose | 800.444.BOSE |
| Cambridge Soundworks | 800.FOR.HIFI |
| Cerwin Vega | 805.584.9332 |
| Definitive | 410.363.7148 |
| Denon | 973.396.0810 |
| Dolby | N/A |
| DVD Demo Disk | N/A |
| 20th Century Fox | 888.223.2FOX |
| JBL | 800.645.7484 |
| Hitachi | 800.HITACHI |
| JVC | 800.252.5722 |
| Kenwood | 800.536.9663 |
| Klipsch | 800.554.7724 |
| Legacy Audio | 800.283.4644 |
| Mirage | 416.312.1800 |
| Mitsubishi | 800.332.2119 |
| M&K | 310.204.2854 |
| NHT | 800.648.9993 |
| Niles Audio | 800.289.4434 |
| Paradigm | 905.632.0180 |
| Panasonic | 800.211.PANA |
| Philips Magnavox | 770.821.2400 |
| Pioneer | 800.PIONEER |
| Polk Audio | 800.992.2520 |
| RCA | 800.336.1900 |
| Runco | 516.656.0844 |
| Sharp | 800.LCD.SHARP |
| Sony | 800.222.SONY |
| Sound and Vision Magazine | N/A |
| Suncoast | Subject to area |
| Sunfire | 206.335.4748 |
| Teac | 323.726.0303 |
| Toshiba | 800.631.3811 |
| Toshiba DVD | 800.346.6672 |
| Velodyne | 800.VELODYNE |
| Yamaha | 800.492.6242 |
| Zenith | 847.391.7000 |