| Business | Phone |
| Htt Engineering Corp 1124 Ballena Blvd, Alameda 94501 | (510) 748-9142 |
| Liptai Engineering 514 Central Ave, Alameda 94501 | (510) 769-9707 |
| S S Gem State Nas Alameda, Alameda 94501 | (510) 749-8452 |
| Sea Engineering Inc 1501 Viking St # 100, Alameda 94501 | (510) 865-1711 |
| Design Engineering Svc 3211 Encinal Ave, Alameda 94501 | (510) 337-0680 |
| Nautical Engineering Inc 1025 W Midway Ave, Alameda 94501 | (510) 523-1793 |
| Stricker Engineering 2511 Santa Clara Ave, Alameda 94501 | (510) 769-7730 |