| Business | Phone |
| A-1 Guaranteed Heating & A/C 221 Commercial St, Vallejo 94589 | (707) 645-0734 |
| Berry's Heating & Air Cond 1868 Griffin Dr, Vallejo 94589 | (707) 643-1500 |
| C A Mechanical 3546 Calm Breeze Ct, Vallejo 94591 | (707) 642-2422 |
| Climate Solutions 164 Robles Way # 278, Vallejo 94591 | (707) 310-1770 |
| Hac Control Svc Vallejo 94590 | (707) 552-2929 |
| Professional Heating & A/C Vallejo 94590 | (707) 552-1170 |
| R D Heating & Air Conditioning Vallejo 94590 | (707) 645-0140 |
| Richard Jenkins Svc Vallejo 94590 | (707) 556-9119 |
| Vigil Mechanical 110 Kristina Ct, Vallejo 94591 | (707) 649-2653 |