| Business | Phone |
| Aqua Clear Farms 6762 Flannery Rd, Rio Vista 94571 | (707) 374-2559 |
| Baldwin Farms 3362 Liberty Island Rd, Rio Vista 94571 | (707) 374-5478 |
| Hamilton Brothers 8327 Montezuma Hills Rd, Rio Vista 94571 | (707) 374-2852 |
| Hastings Island Land Co 7872 Hastings Island Rd, Rio Vista 94571 | (707) 374-5722 |
| Sadye Petersen Trust 4130 Robinson Rd, Rio Vista 94571 | (707) 374-2453 |
| Sherman West Co 113 Main St, Rio Vista 94571 | (707) 374-2703 |