| Business | Phone |
| Concord Local 1045 100 Hall St, Concord 3301 | (603) 224-3020 |
| Ibew 48 Airport Rd, Concord 3301 | (603) 224-4239 |
| Local 490 Jatc 48 Airport Rd, Concord 3301 | (603) 226-3964 |
| Nea-New Hampshire 103 N State St, Concord 3301 | (603) 224-7751 |
| Nh Afl-Cio 57 School St, Concord 3301 | (603) 225-4822 |