| Business | Phone |
| Alpha Associates Po Box 152, Napa 94559 | (707) 944-9191 |
| Baribeault Associates 5685 Dry Creek Rd, Napa 94558 | (707) 252-5336 |
| Corbett Smith Co Napa 94558 | (707) 224-8324 |
| Lawrence Enterprise 181 Kaanapali Dr, Napa 94558 | (707) 224-4195 |
| O'D Sales Inc 186 S Seymour St, Napa 94559 | (707) 253-7778 |
| Sgs 1063 Century Ct, Napa 94558 | (707) 224-1900 |
| Silverado Sales & Marketing 1130 La Grande Ave, Napa 94558 | (707) 253-1126 |
| Silverado Sales Inc 1755 Industrial Way # 23, Napa 94558 | (707) 224-2232 |
| Smm Enterprises 2010 Imola Ave, Napa 94559 | (707) 258-8575 |
| Smt Inc 219 Verona Way, Napa 94558 | (707) 252-1688 |
| Westech Materials Corp 117 Valley Club Cir, Napa 94558 | (707) 255-4010 |