| Business | Phone |
| Best Heating 4112 Harbor View Ave, Oakland 94619 | (510) 530-2092 |
| Day & Night Heating Oakland 94607 | (510) 333-4866 |
| Pelican Heating & Cooling 3440 65th Ave, Oakland 94605 | (510) 632-4268 |
| Pyramids Heating & Air 2300 Market St, Oakland 94607 | (510) 836-6977 |
| Rudy's Service 444 Cedar St, Oakland 94612 | (510) 238-1107 |
| Azziwad Heating & Air Cond Oakland 94601 | (510) 261-8974 |