| Business | Phone |
| Acme Boiler Co 3718 Ridge Rd, Cleveland 44144 | (216) 961-2471 |
| Boiler Specialists Inc 4213 Rocky River Dr, Cleveland 44135 | (216) 251-5151 |
| Wilco Boilers Inc 1277 E Schaaf Rd # 2, Cleveland 44131 | (216) 398-5566 |
| Dunkirk Boiler Co 3929 Denison Ave, Cleveland 44109 | (216) 341-7872 |
| Northern Rcr Inc 1451 E 33rd St, Cleveland 44114 | (216) 361-0022 |
| Midwest Welding & Boiler Co 5200 Train Ave, Cleveland 44102 | (216) 281-3898 |