| Business | Phone |
| Aircraft Instrument Spec 659 Broadway Ave, Cleveland 44146 | (440) 232-2132 |
| All Tools Inc 7500 Associate Ave, Cleveland 44144 | (216) 651-6646 |
| Trans Digm Inc 1301 E 9th St # 3710, Cleveland 44114 | (216) 706-2960 |
| Sifco Industries Inc 970 E 64th St, Cleveland 44103 | (216) 881-8600 |
| Goodrich Landing Gear 8000 Marble Ave, Cleveland 44105 | (216) 341-1700 |
| Indupro Associates 15018 Madison Ave, Cleveland 44107 | (216) 221-1714 |
| Jo-Bar Manufacturing Co 7225 Division St, Cleveland 44146 | (440) 232-5555 |