| Business | Phone |
| American Climate Masters 212 Muskingum Dr, Columbus 43230 | (614) 418-0408 |
| Valley Refrigeration 1126 Gahanna Pkwy, Columbus 43230 | (614) 759-9488 |
| Total Temperature Mechanical 5721 Westbourne Ave, Columbus 43213 | (614) 338-1158 |
| Boscoe Mechanical 2365 Performance Way, Columbus 43207 | (614) 445-9912 |
| Columbus Building Svc 4566 Walburn Rd, Columbus 43232 | (614) 837-6194 |
| George Lynch Controls Inc 526 N Cassady Ave, Columbus 43209 | (614) 253-0878 |
| J & C Heating & Cooling 923 Kingland Dr, Columbus 43207 | (614) 491-5329 |