| Business | Phone |
| Visi-Trak Worldwide Llc 8400 Sweet Valley Dr, Cleveland 44125 | (216) 524-2363 |
| Control Electric Co Inc 14625 Puritas Ave, Cleveland 44135 | (216) 671-8010 |
| Control Techniques Drives Inc 6900 Southpointe Pkwy, Cleveland 44141 | (440) 717-0123 |
| Hy-Tech Controls Inc 7411 First Pl, Cleveland 44146 | (440) 232-4040 |
| In-Control Inc 815 Crocker Rd # 3, Cleveland 44145 | (440) 808-9454 |
| Namco Controls Corp 6095 Parkland Blvd # 310, Cleveland 44124 | (440) 460-1360 |