| Business | Phone |
| A C & E Mechanical 3421 Empresa Dr, San Luis Obispo 93401 | (805) 466-1250 |
| Cal-Coast Refrigeration San Luis Obispo 93401 | (805) 545-9990 |
| Coastal Air Svc 1634 Royal Way, San Luis Obispo 93405 | (805) 781-0821 |
| Jcs Mechanical 1108 Ironbark St # G, San Luis Obispo 93401 | (805) 801-0556 |
| Mid Coast Mechanical Inc 835 Capitolio Way # 5, San Luis Obispo 93401 | (805) 543-1135 |
| Mid State Air & Appliance 835 Capitolio Way # 5, San Luis Obispo 93401 | (805) 541-3239 |
| Ochs Heating & Air Cond 2090 Swazey St, San Luis Obispo 93401 | (805) 544-7767 |
| Rice Heating & Air Cond 390 Buckley Rd # G, San Luis Obispo 93401 | (805) 543-6359 |