| Business | Phone |
| Reclamation District 341 Rio Vista 94571 | (707) 374-6820 |
| Rio Vista Women's Improvement 401 Montezuma St, Rio Vista 94571 | (707) 374-5425 |
| Safe Technologies Inc 170 River Rd, Rio Vista 94571 | (707) 374-6158 |
| Trilogy Design Center Rio Vista 94571 | (707) 374-3404 |
| Rampco 2360 Airport Rd, Rio Vista 94571 | (707) 374-6552 |