| Business | Phone |
| Atco Fire System Inspectors 3300 King Ave, Cleveland 44114 | (216) 621-8811 |
| Atco-Tiroly & Assoc Designers 3300 King Ave, Cleveland 44114 | (216) 621-8899 |
| Bassett Sprinkler Protection 4250 W 130th St, Cleveland 44135 | (216) 476-2500 |
| Champion Fire Equipment Inc 5316 Lorain Ave, Cleveland 44102 | (216) 281-5700 |
| Christi Fire Protection Inc 11351 Pearl Rd, Cleveland 44136 | (440) 572-7730 |
| Comunale Co 1200 E 55th St # B, Cleveland 44103 | (216) 426-0856 |
| Tyco Fire & Building Products 5565 Venture Dr, Cleveland 44130 | (216) 265-0505 |
| R & M Heating & Air Cond 1209 E 33rd St, Cleveland 44114 | (216) 621-8780 |
| Performance Piping Inc 3923 W 158th St, Cleveland 44111 | (216) 251-9611 |
| Lorig Mechanical Inc 15828 Industrial Pkwy, Cleveland 44135 | (216) 362-1588 |
| M G Fire Design Inc 16688 Shurmer Rd, Cleveland 44136 | (440) 878-9621 |