| Business | Phone |
| All-Temp Svc & Sales Co 1000 E Sanilac Rd, Caro 48723 | (989) 673-5557 |
| Ron's Refrigeration Sls & Svc 1057 E Dayton Rd, Caro 48723 | (989) 673-6278 |
| Northern Air Heating & Cooling 1085 E Dayton Rd, Caro 48723 | (989) 673-5741 |
| Moore's Refrigeration 1797 Rails End Blvd, Caro 48723 | (989) 673-8374 |