| Business | Phone |
| Arm Heating & Air 1910 Ludwig Ave, Santa Rosa 95407 | (707) 585-0736 |
| Chris's Plumbing & Heating Inc 1415 Fulton Rd # 205, Santa Rosa 95403 | (707) 545-4702 |
| Haddix & Burns Htg & Sheet Mtl 3181 Cleveland Ave # I, Santa Rosa 95403 | (707) 528-6773 |
| Henry Mechanical Inc Santa Rosa 95407 | (707) 585-1787 |
| Roy Mechanical Santa Rosa 95403 | (707) 523-1668 |