| Business | Phone |
| Reliable Marine Electronics 1925 Lafayette St, Alameda 94501 | (510) 864-7141 |
| Ship Shape Marine 909 Marina Village Pkwy # 186, Alameda 94501 | (510) 272-9695 |
| Star Marine Electronics Inc 2099 Grand St # 9b, Alameda 94501 | (510) 769-7827 |
| Waver Marine Electronics Alameda 94501 | (510) 748-9283 |