| Business | Phone |
| Carrier Building Systems & Svc 5 Hemlock St # 2, Latham 12110 | (518) 220-2044 |
| Jerry Krug Indoor Climate 7 Dyer Dr, Latham 12110 | (518) 786-0781 |
| Trane Co 301 Old Niskayuna Rd # 1, Latham 12110 | (518) 785-1315 |
| Tri-Tech Inc 878 Albany Shaker Rd, Latham 12110 | (518) 782-5011 |