| Business | Phone |
| American Bureau Of Shipping 5950 6th Ave S 204, Seattle 98108 | (206) 762-6200 |
| Anderson Marine Surveys 4266 20th Ave W, Seattle 98199 | (206) 789-2315 |
| Arnett & Berg Marine Surveyors Po Box 70424, Seattle 98127 | (206) 283-8884 |
| Arnett Marine Surveying Po Box 99035, Seattle 98139 | (206) 270-8884 |
| Bbg Corp 2124 N 64th St, Seattle 98103 | (206) 523-7214 |
| Blue Water Marine Surveys 13926 15th Pl Sw, Seattle 98166 | (206) 932-2415 |
| Cullen Maritime Svc 1113 8th Ave W, Seattle 98119 | (206) 281-0867 |
| Cullen Maritime Svc 662 Nw 52nd St, Seattle 98107 | (206) 783-6979 |
| Dennis C Johnson Marine Srvyr 15734 Greenwood Ave N, Seattle 98133 | (206) 365-6591 |
| Edward F Travers & Assoc 14906 8th Ave Sw, Seattle 98166 | (206) 242-2865 |
| Harish K Gidwani Inc 1441 N Northlake Way 206, Seattle 98103 | (206) 547-5582 |
| Havorn Marine Svc 318 N 36th St, Seattle 98103 | (206) 789-7043 |
| Heron Services/Management Syst Po Box 94242, Seattle 98124 | (206) 624-2169 |
| Hull & Cargo Surveyors Inc 1914 N 34th St, Seattle 98103 | (206) 545-8566 |
| International Inspections Inc 8700 Dallas Ave S, Seattle 98108 | (206) 766-8180 |