| Business | Phone |
| Atu Local 408 N Market St, Lancaster 17603 | (717) 399-8113 |
| Bctgm Local 374-G 3543 Marietta Ave, Lancaster 17601 | (717) 285-2279 |
| Bctgm Local 387g 675 Manor St, Lancaster 17603 | (717) 392-1556 |
| United Steelworkers Of America 1116 Manheim Pike, Lancaster 17601 | (717) 392-1172 |
| Teamsters Chauffeurs Local 1025 N Duke St, Lancaster 17602 | (717) 397-8267 |
| Hamilton Watch Workers Union 226 Conestoga Blvd, Lancaster 17602 | (717) 392-7255 |
| Ibew 796 New Holland Ave, Lancaster 17602 | (717) 394-5201 |
| Nalc Branch 273 1018 N Christian St, Lancaster 17602 | (717) 291-0776 |
| Lancaster Professional 413 Belair Dr, Lancaster 17601 | (717) 560-9565 |
| Lancaster United Labor Council 675 Manor St, Lancaster 17603 | (717) 299-6350 |
| Local 1035 Uswa 200 Richardson Dr, Lancaster 17603 | (717) 299-6966 |
| Local 285 United Steel Worker 202 W Liberty St, Lancaster 17603 | (717) 394-7544 |