| Business | Phone |
| Chagrin Valley Duct Cleaners 6979 Som Center Rd, Cleveland 44139 | (440) 248-2436 |
| Crystal Clean Vents Cleveland 44113 | (216) 344-2477 |
| Delta Industrial Svc Inc 5215 Denison Ave, Cleveland 44102 | (216) 281-8700 |
| Service-Tech Corp 7589 First Pl, Cleveland 44146 | (440) 735-1505 |