| Business | Phone |
| Sine Inc 4532 Robinson St, Flushing 11355 | (718) 321-0400 |
| Springfield Control Systems 4056 Douglaston Pkwy, Flushing 11363 | (718) 631-0870 |
| Automated Building Management 7742 164th St, Flushing 11366 | (718) 969-6247 |
| Intrepid Control Svc 2904 Francis Lewis Blvd, Flushing 11358 | (718) 886-8771 |
| Liberty Controls Inc 1505 132nd St, Flushing 11356 | (718) 461-0600 |