| Business | Phone |
| Machine Works Of Cincinnati 979 Redna Ter, Cincinnati 45215 | (513) 771-4600 |
| Mars Manufacturing Co 3711 Beechmont Ct, Cincinnati 45226 | (513) 321-7311 |
| Products & Svc Co 1702 John St, Cincinnati 45214 | (513) 241-5580 |
| Sterling Industries 5642 Victory Dr, Cincinnati 45233 | (513) 922-5537 |
| Stewart Industries Inc 7234 Blue Ash Rd, Cincinnati 45236 | (513) 891-9000 |