| Business | Phone |
| Cal-Pacific Refrig Heating 12345 Front St, Norwalk 90650 | (562) 868-8850 |
| Cal-West Mechanical 13449 Pumice St, Norwalk 90650 | (562) 404-1722 |
| Alaska Air Conditioning & Htg 13127 San Antonio Dr, Norwalk 90650 | (714) 517-6776 |
| All Cities Heating & Air Norwalk 90650 | (562) 929-3236 |
| Benson Air Conditioning Co 14538 Maryton Ave, Norwalk 90650 | (714) 739-1169 |