| Business | Phone |
| All Bay Drilling 1466 Chapman Ln, Petaluma 94952 | (707) 762-1199 |
| Barone Construction & Drilling 2651 Bodega Ave, Petaluma 94952 | (707) 765-1184 |
| Lutzenberg's Performance Drill 3949 Magnolia Ave, Petaluma 94952 | (707) 762-3947 |
| Pacific Coast Drilling Co 801 Lindberg Ln, Petaluma 94952 | (707) 778-8316 |
| Point Pacific Drilling 275 Water St, Petaluma 94952 | (707) 763-5591 |