- Alexander Marine Trnsprtn
- Athenian Energy Inc
- Boston Line & Svc Co
- Boston Waterbus Svc
- Brusco Tug & Barge
- Ddr Transport
- Ddr Transport
- Emsport Marine LLC
- Excel Transporting & Towing
- Five Stars Transportation
- Floating Derrick Inc Kosnac
- Georgetown Harbor Pilots
- Great Lakes Marine Transit Inc
- Greater Ny Marine Trnsprtn
- Hoosier Transit Inc
- Kirby Corp
- Kirby Corp
- Marine 1 Transportation
- Marine Cargo Svc Inc
- Maritrans Inc
- Maritrans Inc
- Mc Junkin Consulting
- Mitchell Offshore Marine
- Mitchell Offshore Marine
- Neptune Marine Consulting
- Northern Wolf Freight Corp
- Northland Services Inc
- Penn Maritime Inc
- Point Comfort Towing-Tugboat
- Prolong Systems Inc
- Reinauer Transportation Co Inc
- Shuttle
- Weber Marine Inc
