| Business | Phone |
| Air Technical Industries 7501 Clover Ave, Mentor 44060 | (440) 951-5191 |
| Airserco Manufacturing Co Inc 7555 Tyler Blvd # 7, Mentor 44060 | (440) 946-2700 |
| Core Tech 7850 Enterprise Dr, Mentor 44060 | (440) 946-8324 |
| Highland Industries 9370 Mercantile Dr, Mentor 44060 | (440) 354-6106 |