| Business | Phone |
| 5 Countys Labor Council 900 Locust St # 7, Redding 96001 | (530) 241-0319 |
| California Teachers Assn 1734 West St, Redding 96001 | (530) 243-5623 |
| Carpenters Union Local 1599 3179 Bechelli Ln # 206, Redding 96002 | (530) 222-6429 |
| Communications Workers-America 4989 Mountain Lakes Blvd # B, Redding 96003 | (530) 246-9419 |
| Electricians Union Local 340 900 Locust St, Redding 96001 | (530) 241-2468 |
| Health Care Workers Union 1135 Pine St, Redding 96001 | (530) 241-2815 |
| Laborers Union Local 185 2865 Churn Creek Rd # D, Redding 96002 | (530) 221-0961 |
| Operating Engineers Local 3 20308 Engineers Ln, Redding 96002 | (530) 222-6093 |
| Redding Firefighters Assn 1335 Shasta St, Redding 96001 | (530) 246-7119 |
| Seiu Local 1292 1538 Market St # 4, Redding 96001 | (530) 244-7811 |
| Teamsters Local Union 3540 S Market St, Redding 96001 | (530) 243-0232 |
| Uaw Workers Retiree 2653 Bechelli Ln, Redding 96002 | (530) 224-9954 |
| United Food & Commercial Wrkrs 3400 Bechelli Ln, Redding 96002 | (530) 222-3905 |
| United Public Employees 1860 Park Marina Dr, Redding 96001 | (530) 245-1890 |
| Western Service Workers Assn 975 Locust St, Redding 96001 | (530) 244-0968 |