| Business | Phone |
| American Federation-Teachers 800 Troy Schenectady Rd, Latham 12110 | (518) 783-8287 |
| New York State Pipe Trades 308 Wolf Rd, Latham 12110 | (518) 785-4425 |
| Plumbers & Steam Fitters 308 Wolf Rd, Latham 12110 | (518) 785-9808 |
| Tri City Joint Apprenticeship 428 Old Niskayuna Rd, Latham 12110 | (518) 785-5167 |
| United University Professional 800 Troy Schenectady Rd, Latham 12110 | (518) 640-6600 |