| Business | Phone |
| J R Garrison Construction 4693 Thomas Rd, Sebastopol 95472 | (707) 823-7548 |
| North Bay Acoustics 6535 Ridgeview Ln, Sebastopol 95472 | (707) 824-1348 |
| Skyline Acoustics 9770 Occidental Rd, Sebastopol 95472 | (707) 829-8495 |
| Vannetti Acoustics Inc Po Box 2512, Sebastopol 95473 | (707) 824-0274 |