| Business | Phone |
| Centrifugal/Mechanical Assoc 200 Marine St, Farmingdale 11735 | (718) 340-6600 |
| Dart Mechanical Corp 74 Marine St, Farmingdale 11735 | (631) 420-9797 |
| Haugen Brothers Inc 44 Allen Blvd, Farmingdale 11735 | (631) 249-1025 |
| Keyland Mechanical Corp 108 Allen Blvd, Farmingdale 11735 | (516) 432-8464 |