| Business | Phone |
| Chemical Methods Inc 12703 Triskett Rd, Cleveland 44111 | (216) 476-8400 |
| State Industrial Products Inc 3100 Hamilton Ave, Cleveland 44114 | (216) 861-7114 |
| Innovative Solutions Group Inc 30799 Pinetree Rd # 225, Cleveland 44124 | (440) 247-6294 |
| Kinzua Environmental Inc 1176 E 38th St, Cleveland 44114 | (216) 881-4040 |