| Business | Phone |
| Carpenter's Apprenticeship Center 412 Dawson Dr, Camarillo 93012 | (805) 482-9226 |
| Carpenters District Council 412 Dawson Dr, Camarillo 93012 | (805) 482-1905 |
| Communications Workers-America 399 N Aviador St, Camarillo 93010 | (805) 987-7557 |
| Oxnard Federation Of Teachers 1601 Carmen Dr # 112, Camarillo 93010 | (805) 389-9119 |
| United Food & Commercial Wrkrs 816 Camarillo Springs Rd # H, Camarillo 93012 | (805) 383-3300 |