| Business | Phone |
| Advanced Dynamics 23600 Mercantile Rd, Cleveland 44122 | (216) 292-3888 |
| Ari Industries 24600 Detroit Rd # 265, Cleveland 44145 | (440) 250-3400 |
| Ram Sensors Inc 875 Canterbury Rd, Cleveland 44145 | (440) 835-3540 |
| Krumor Inc 7655 Hub Pkwy, Cleveland 44125 | (216) 328-9802 |
| Marlin Manufacturing Co 12800 Corporate Dr, Cleveland 44130 | (216) 676-1340 |