| Business | Phone |
| Bay City Mechanical 543 S 31st St, Richmond 94804 | (510) 233-7000 |
| Henry Heating Air Conditioning 783 Kern St, Richmond 94805 | (510) 233-7155 |
| International Appliance Richmond 94804 | (510) 233-6990 |
| Knoll Systems Corp Richmond 94804 | (510) 231-1967 |
| Mc Cartney Plumbing Sewer Richmond 94804 | (925) 427-9589 |