| Business | Phone |
| George Stein Labor Relation 575 Lincoln Ave # 300b, Napa 94558 | (707) 226-5818 |
| Ibew 720 Technology Way # B, Napa 94558 | (707) 251-9180 |
| Calif Association-Psychiatric 1130 Imola Ave, Napa 94559 | (707) 252-7320 |
| National Air Traffic Control 4000 Airport Rd, Napa 94558 | (707) 256-3064 |
| Seiu 1810 Jefferson St, Napa 94559 | (707) 255-1718 |