| Business | Phone |
| American Federation 201 Maple St, Santa Cruz 95060 | (831) 425-4822 |
| Ase-District 65-Uaw 520 Mission St, Santa Cruz 95060 | (831) 423-9737 |
| Coalition-University Employees 201 Maple St, Santa Cruz 95060 | (831) 420-0258 |
| Communications Workers-America 201 Maple St, Santa Cruz 95060 | (831) 429-8783 |
| Communications Workers-America 2521 Charlene Ln, Santa Cruz 95062 | (831) 464-8123 |
| Iatse Local 611 Santa Cruz 95060 | (831) 458-0338 |
| Laborers Union Santa Cruz 95062 | (831) 465-0516 |
| Local 415 Seiu 517 Mission St # B, Santa Cruz 95060 | (831) 459-0415 |
| Santa Cruz City Firefighters Santa Cruz 95060 | (831) 426-6011 |
| Santa Cruz Federation-Teachers 1330 Mission St, Santa Cruz 95060 | (831) 425-8939 |
| United Transportation Union 903 Pacific Ave # 200, Santa Cruz 95060 | (831) 429-6707 |
| Writers Union National Local 7 Santa Cruz 95060 | (831) 457-7488 |