| Business | Phone |
| Aerodyne 5220 W 79th St, Indianapolis 46268 | (317) 334-1523 |
| Aerospace Engine Parts Group 903 E Ohio St, Indianapolis 46202 | (317) 269-1520 |
| General Dynamics Corp 2345 S Lynhurst Dr, Indianapolis 46241 | (317) 247-6619 |
| Stewart Warner Corp 2495 Directors Row # F, Indianapolis 46241 | (317) 486-2600 |
| Stewart Warner South Wind Corp 5701 Fortune Cir S, Indianapolis 46241 | (317) 241-8248 |
| Sargent 5208 Commerce Square Dr # C, Indianapolis 46237 | (317) 888-6416 |