| Business | Phone |
| Doer Marine Operations 1827 Clement Ave, Alameda 94501 | (510) 530-9388 |
| Ocean Systems Inc 2701 Monarch St, Alameda 94501 | (510) 337-0812 |
| Robert R Cryer Marine Cnsltnt 2517 Blanding Ave, Alameda 94501 | (510) 337-1759 |
| Petrochem Marine Consultants 2417 Mariner Square Loop # 125, Alameda 94501 | (510) 299-1811 |
| Technical Marine Svc Inc 450 W Atlantic Ave, Alameda 94501 | (510) 521-3250 |