| Business | Phone |
| Communications Workers-America 1735 Canal St, Merced 95340 | (209) 723-9407 |
| District Council-57 625 W Olive Ave, Merced 95348 | (209) 722-3636 |
| Amalgamated Industrial Wrkrs 1777 G St # 12, Merced 95340 | (209) 381-0227 |
| California School Employees Merced 95340 | (209) 723-4641 |
| Iemc Po Box 3894, Merced 95344 | (209) 383-6316 |