| Business | Phone |
| Biogas Energy 14702 M 60, Three Rivers 49093 | (269) 278-9142 |
| Bel-Aire Heating & Ac 1100 N Main St, Three Rivers 49093 | (269) 273-2066 |
| Crystal Valley Heating & A/C 1150 Millard St, Three Rivers 49093 | (269) 273-6975 |
| Cool Breeze Mechanical 61861 S Us Highway 131, Three Rivers 49093 | (269) 273-3048 |
| Cooper's Fabrication & Supply 14715 M 216, Three Rivers 49093 | (269) 273-5241 |
| Haines Plumbing Svc 810 Hill St, Three Rivers 49093 | (269) 279-7847 |
| Norm's Heating & Air Cond 18853 6th Avenue Rd, Three Rivers 49093 | (269) 273-9124 |
| Mac's Plumbing Svc 53335 N Us Highway 131, Three Rivers 49093 | (269) 278-3342 |
| Roto-Rooter Plumbing & Drain Three Rivers 49093 | (269) 273-6000 |
| Mick's Heating & Air & Plbg 58766 Ash Rd, Three Rivers 49093 | (269) 273-7296 |
| Residential Plumbing Three Rivers 49093 | (269) 273-8500 |