| Business | Phone |
| Airecon Manufacturing Corp 5271 Brotherton Rd, Cincinnati 45227 | (513) 561-5522 |
| Ritchie Industrial Marketing 8196 Timbercreek Dr, Cincinnati 45244 | (513) 474-3077 |
| Protech Equipment Co 10979 Reed Hartman Hwy # 228, Cincinnati 45242 | (513) 793-8022 |
| R F Kleinfeldt Co 6827 Mount Vernon Ave, Cincinnati 45227 | (513) 271-2900 |