| Business | Phone |
| Heliodyne Inc 4910 Seaport Ave, Richmond 94804 | (510) 237-9614 |
| H Ion Solar Inc 6095 Monterey Ave, Richmond 94805 | (510) 237-7877 |
| Solar Energy Solutions 1952 Wright Ave, Richmond 94804 | (510) 232-0754 |
| Sunbrothers Solar Sculptures 1345 S 50th St, Richmond 94804 | (510) 215-2884 |