| Business | Phone |
| Carlisle Construction Inc 1639 Chiquita Rd, Healdsburg 95448 | (707) 433-2734 |
| Cats 4u 16977 Healdsburg Ave, Healdsburg 95448 | (707) 433-8304 |
| D C Backhoe Inc 7045 Skaggs Springs Rd, Healdsburg 95448 | (707) 433-7342 |
| Engelke Construction 114 Dry Creek Rd, Healdsburg 95448 | (707) 433-8389 |
| Richardson Engineering Cntrctr Po Box 638, Healdsburg 95448 | (707) 433-1169 |
| Sonoma Engineering Inc 110 Dry Creek Rd, Healdsburg 95448 | (707) 433-1110 |
| Stat Systems 507 Tucker St, Healdsburg 95448 | (707) 431-2134 |