| Business | Phone |
| Afscme 543 26 N 10th St, Allentown 18101 | (610) 351-6615 |
| Afscme Local 2061 1700 Hanover Ave, Allentown 18109 | (610) 776-1584 |
| Allentown Education Assn 462 W Walnut St # 2, Allentown 18102 | (610) 432-7329 |
| Communications Workers-America 546 W Hamilton St, Allentown 18101 | (610) 433-6100 |
| Construction & General Lbrs 465 Allentown Dr, Allentown 18109 | (610) 433-4706 |
| Espa Allentown 18104 | (610) 434-5131 |
| Iatse 124 N 6th St, Allentown 18101 | (610) 432-7278 |
| Ibew 1110 E Livingston St, Allentown 18109 | (610) 435-0461 |
| Ibew 1201 W Liberty St, Allentown 18102 | (610) 432-9762 |
| Local 302 Intl Assn Of Fire 723 W Chew St, Allentown 18102 | (610) 821-6903 |
| Local 3206 Afscme 26 S 10th St, Allentown 18102 | (610) 351-9709 |
| National Assn-Letter Carriers 850 N 5th St, Allentown 18102 | (610) 432-8225 |
| Uaw 2101 Mack Blvd, Allentown 18103 | (610) 797-7720 |
| Unite Allentown Easton 1017 W Hamilton St, Allentown 18101 | (610) 433-7445 |
| Teamsters & Chauffeurs Union 1345 W Hamilton St, Allentown 18102 | (610) 434-4451 |
| Seiu 2302 Reading Rd, Allentown 18104 | (610) 433-6609 |