| Business | Phone |
| Architectural Signs & Assoc Po Box 126, Sonoma 95476 | (707) 938-8210 |
| E T Custom Sign & Design 1403 Lovall Valley Rd, Sonoma 95476 | (707) 996-9550 |
| Halbe Signs Po Box 799, Sonoma 95476 | (707) 939-8888 |
| Percell Signs Sonoma 95476 | (707) 938-9908 |
| Signs Of All Kinds 104 Dechene Ave, Sonoma 95476 | (707) 823-6555 |
| Sonoma Valley Signs & Banners 565 W Napa St, Sonoma 95476 | (707) 933-0307 |