| Business | Phone |
| Allied International Union 332 Willis Ave, Mineola 11501 | (516) 742-6320 |
| Allied Security Health & Wlfr 332 Willis Ave, Mineola 11501 | (516) 873-1694 |
| Folding Box Corrugated Box 160 Mineola Blvd, Mineola 11501 | (516) 248-2662 |
| Joint Board 25 Roslyn Rd, Mineola 11501 | (516) 742-3500 |
| Sheet Metal Workers Local 28 195 Mineola Blvd, Mineola 11501 | (516) 742-9478 |
| United Food & Coml Workers 166 E Jericho Tpke, Mineola 11501 | (516) 747-5980 |