| Business | Phone |
| Cisco Systems Inc 1435 N Mcdowell Blvd, Petaluma 94954 | (707) 285-5000 |
| In-Site Communications 921 Transport Way # 22, Petaluma 94954 | (707) 765-9993 |
| Internet Highway Inc 300 Prospect St, Petaluma 94952 | (707) 963-5003 |
| Silicon Valley North 1333 N Mcdowell Blvd # A, Petaluma 94954 | (707) 781-9999 |