| Business | Phone |
| Afl-Cio South Bay Labor 2102 Almaden Rd # 107, San Jose 95125 | (408) 266-3790 |
| American Federation-State Empl 1150 N 1st St # 101, San Jose 95112 | (408) 998-2070 |
| American Fraternal Union 2845 Moorpark Ave, San Jose 95128 | (408) 984-1375 |
| American Postal Workers Union 1630 Oakland Rd # A107, San Jose 95131 | (408) 436-8374 |
| Apprenticeship Standards 100 Paseo De San Antonio # 125, San Jose 95113 | (408) 277-1273 |
| Bricklayers & Allied Crafts 461 Park Ave # 5, San Jose 95110 | (408) 297-1717 |
| Building & Construction Cncl 2102 Almaden Rd # 101, San Jose 95125 | (408) 265-7643 |
| California Faculty Assn 129 S 10th St, San Jose 95112 | (408) 292-0323 |
| California School Employees 2045 Lundy Ave, San Jose 95131 | (408) 473-1000 |
| California Security Officers 454 Zaton Ave, San Jose 95117 | (408) 247-7061 |
| California State Employee's 2102 Almaden Rd, San Jose 95125 | (408) 995-5911 |
| Carpenters Local Union 2102 Almaden Rd # 115, San Jose 95125 | (408) 269-7316 |
| Carpet Linoleum & Soft Tile 2102 Almaden Rd # 106, San Jose 95125 | (408) 265-4911 |
| Cement Masons Union Local 2102 Almaden Rd, San Jose 95125 | (408) 266-9160 |
| Communications Workers-America 2015 Naglee Ave, San Jose 95128 | (408) 278-9423 |
| Communications Workers-America 902 Newhall St, San Jose 95126 | (408) 278-9451 |
| Cwa Joint Apprenticeship San Jose 95112 | (408) 947-0563 |
| Glaziers & Glass Workers Union 2102 Almaden Rd # 104, San Jose 95125 | (408) 266-1302 |
| Healthcare Workers Union 2995 Moorpark Ave, San Jose 95128 | (408) 557-2835 |
| Hotel Employees & Restaurant 1415 Koll Cir # 105, San Jose 95112 | (408) 437-1061 |
| Iatse 134 265 Meridian Ave, San Jose 95126 | (408) 294-1134 |
| Ibew 2125 Canoas Garden Ave # 100, San Jose 95125 | (408) 269-4332 |
| Ibew 4271 N 1st St # 124, San Jose 95134 | (408) 432-0103 |
| Operating Engineers Federal 798 N 1st St, San Jose 95112 | (408) 995-5095 |
| Iron Workers Bridge Structural 2012 Almaden Rd, San Jose 95125 | (408) 435-8008 |
| Iue 2102 Almaden Rd, San Jose 95125 | (408) 723-2839 |
| Lathers Union 2102 Almaden Rd # 116, San Jose 95125 | (408) 264-3080 |
| Local 428 Ufcw 240 S Market St, San Jose 95113 | (408) 998-0428 |
| Operating Engineer Joint 760 Emory St, San Jose 95126 | (408) 293-7541 |
| Operating Engineers Local 760 Emory St, San Jose 95126 | (408) 295-8788 |
| San Jose Federation-Teachers 48 S 7th St # 203, San Jose 95112 | (408) 287-2080 |
| San Jose Newspaper Guild 735 E Brokaw Rd, San Jose 95112 | (408) 436-0761 |
| Santa Clara County Peace Officers 1310 N 4th St, San Jose 95112 | (408) 392-8877 |
| Plumbers & Steamfitters Union 6150 Cottle Rd, San Jose 95123 | (408) 225-3030 |
| San Jose Fire Fighters Local 425 E Santa Clara St # 300, San Jose 95113 | (408) 286-8718 |
| Teamsters Local Union 1452 N 4th St, San Jose 95112 | (408) 453-0287 |
| Social Services Union-American 111 W Saint John St # 517, San Jose 95113 | (408) 279-2937 |
| Painters Union Local 507 2102 Almaden Rd # 100, San Jose 95125 | (408) 979-7871 |
| Plasterers Union 2102 Almaden Rd # 108, San Jose 95125 | (408) 264-4430 |
| Millmen Local 2102 Almaden Rd # 109, San Jose 95125 | (408) 264-3262 |
| National Assn-Letter Carriers 1060 Minnesota Ave # 9, San Jose 95125 | (408) 288-8138 |
| Laborers Union 509 Emory St, San Jose 95110 | (408) 297-2620 |
| Telecommunications Intl Union San Jose 95118 | (408) 723-3866 |
| Service Employees Intl Union 2302 Zanker Rd, San Jose 95131 | (408) 954-8715 |
| Sheet Metal Workers Local 2350 Lundy Pl, San Jose 95131 | (408) 263-9705 |
| Window Cleaners Union 1010 Ruff Dr, San Jose 95110 | (408) 280-7770 |