| Business | Phone |
| Astro Svc Inc Cleveland 44139 | (440) 349-1637 |
| Cleveland Hermetic & Supply 1575 E 40th St, Cleveland 44103 | (216) 961-6515 |
| United Refrigeration Inc 2604 Saint Clair Ave Ne, Cleveland 44114 | (216) 241-0055 |
| Jackson Comfort Systems Inc Cleveland 44124 | (440) 449-4422 |