| Business | Phone |
| Worlwide Timing Systems 4974 Provident Dr, Cincinnati 45246 | (513) 874-8875 |
| Commercial Parts & Svc 6940 Plainfield Rd, Cincinnati 45236 | (513) 984-1900 |
| Koch Refrigeration 1629 Hoffner St, Cincinnati 45223 | (513) 541-2999 |
| R J Elfers & Co 3621 Fyffe Ave, Cincinnati 45211 | (513) 481-4440 |
| Rick's Refrigeration & Air 1024 Baytree Ct, Cincinnati 45230 | (513) 232-9350 |
| Tri-State Svc 1940 Losantiville Ave, Cincinnati 45237 | (513) 841-1700 |