| Business | Phone |
| Carpenters Union Local 180 404 Nebraska St # A, Vallejo 94590 | (707) 644-1040 |
| Hodcarriers & Laborers Union 2920 Sonoma Blvd, Vallejo 94590 | (707) 643-7214 |
| Ibew 1115 Amador St, Vallejo 94590 | (707) 643-4400 |
| Painters 404 Nebraska St # B, Vallejo 94590 | (707) 644-2249 |
| Pipe Trade Assn 425 Nebraska St, Vallejo 94590 | (707) 557-4394 |
| Plasterers & Cement Masons 404 Nebraska St, Vallejo 94590 | (707) 644-8423 |
| Plumbers & Steamfitters 401 Nebraska St, Vallejo 94590 | (707) 644-5268 |
| Seiu Local 280 601 Sacramento St, Vallejo 94590 | (707) 642-2518 |
| Teamsters & Chauffeurs Union 445 Nebraska St, Vallejo 94590 | (707) 643-0387 |
| Teamsters Union Locals 301 Georgia St, Vallejo 94590 | (707) 644-8896 |
| Tucky Illustration Vallejo 94590 | (707) 704-2086 |
| United Food & Commercial Wrkrs 410 Nebraska St, Vallejo 94590 | (707) 643-8611 |
| Utility-Landscape 13 Tennessee St, Vallejo 94590 | (707) 644-0355 |
| Vallejo Education Assn Vallejo 94590 | (707) 552-8487 |
| Vallejo Fire Fighters 445 Nebraska St, Vallejo 94590 | (707) 648-1186 |