| Business | Phone |
| Nelson Power Technology Inc 3400 Richmond Pkwy, Richmond 94806 | (510) 223-3447 |
| Nove Power Plant Richmond 94804 | (510) 620-0133 |
| Russell Electric 636 Spring St, Richmond 94804 | (510) 965-9870 |
| Soft Power 1802 Ralston Ave, Richmond 94805 | (510) 237-2993 |