| Business | Phone |
| California Federation-Teachers 775 Baywood Dr, Petaluma 94954 | (707) 762-2480 |
| Glaziers Union 1130 Industrial Ave, Petaluma 94952 | (707) 766-7127 |
| Machinists Union Intl Assn 4210 Petaluma Blvd N, Petaluma 94952 | (707) 795-0085 |
| Painters & Tapers Local 83 1130 Industrial Ave, Petaluma 94952 | (707) 765-6870 |
| Petaluma Federation-Teachers 775 Baywood Dr, Petaluma 94954 | (707) 762-2184 |
| Petaluma Firefighters Local 405 E D St, Petaluma 94952 | (707) 765-1884 |
| Sheet Metal 610 E Washington St # C, Petaluma 94952 | (707) 763-6676 |