| Business | Phone |
| A & P Aircraft Maintenance Inc 2111 Smithtown Ave, Ronkonkoma 11779 | (631) 588-7771 |
| Army Aviation Supply Fac 201 Schaefer Dr, Ronkonkoma 11779 | (631) 737-4848 |
| Long Island Jet Center 90 Arrival Ave, Ronkonkoma 11779 | (631) 588-0303 |
| Duncan Aviation 2111 Smithtown Ave # D, Ronkonkoma 11779 | (631) 981-1080 |
| North American Air Charter Inc 90 Arrival Ave, Ronkonkoma 11779 | (631) 471-0440 |
| Eastway Aircraft Svc 97 Hering Dr, Ronkonkoma 11779 | (631) 737-2020 |
| Eastway Aircraft Svc Parts Dpt 200 Hering Dr, Ronkonkoma 11779 | (631) 738-9880 |
| Eastway Aviation Maintenance Schaffer Dr, Ronkonkoma 11779 | (631) 737-7508 |
| Executive Fliteways Inc 1 Clark Dr, Ronkonkoma 11779 | (631) 588-3517 |
| Nxt Inc 2805 Veterans Memorial Hwy # 4, Ronkonkoma 11779 | (631) 738-9060 |
| Islip Avionics Inc 135 Schaefer Dr, Ronkonkoma 11779 | (631) 588-3543 |