| Business | Phone |
| Computer Access Systems Po Box 3087, Napa 94558 | (707) 251-9000 |
| P C Solutions 1758 Industrial Way # 111, Napa 94558 | (707) 254-1072 |
| Awc Consultant 2203 Jefferson St, Napa 94559 | (707) 252-0929 |
| Custom Web Apps 1728 Jefferson St, Napa 94559 | (707) 226-8324 |
| Cybersights 1542 Estee Ave, Napa 94558 | (707) 258-2509 |
| Levenberg Consulting Svc 3309 Macbeth St, Napa 94558 | (707) 265-0362 |