| Alaska Cargo Transport, Inc. |
| American Automar, Inc. |
| American President Lines, Ltd. |
| American Roll-On Roll-Off Carrier, LLC |
| American Ship Management, LLCa |
| Automar International Car Carrier, Inc.a |
| Beyel Brothers Inc. |
| Central Gulf Lines, Inc.a |
| Cook Inlet Marine |
| Crowley Liner Services, Inc. |
| Crowley Marine Services, Inc. |
| CSX Lines, LLC |
| Donjon Marine Co., Inc. |
| Double Eagle Marine, LLC |
| E-Ships, Inc.a |
| Farrell Lines Inc. |
| First American Bulk Carrier Corp.a |
| First Ocean Bulk Carrier-I, LLCa |
| First Ocean Bulk Carrier-II, LLCa |
| First Ocean Bulk Carrier-III, LLCa |
| Foss Maritime Co. |
| Gimrock Maritime, Inc. |
| Liberty Shipping Group Limited Partnership |
| Lockwood Brothers, Inc. |
| Lykes Lines Limited, LLC |
| Lynden Inc. |
| Maersk Line, Ltd.a |
| Matson Navigation Co., Inc. |
| Maybank Navigation Co., LLC |
| McAllister Towing and Transportation Co., Inc. |
| Moby Marine Corp. |
| Moran Towing Corp. |
| NPR, Inc. |
| Ocean Marine Shipping, Inc. |
| Odyssea Shipping Line LLC |
| OSG Car Carriers, Inc.a |
| Resolve Towing & Salvage, Inc. |
| Samson Tug & Barge Co., Inc. |
| Sea Star Line, LLC |
| Seacor Marine International Inc. |
| Sealift Inc. |
| Signet Maritime Corp. |
| Smith Maritime |
| STEA Corp. |
| Stevens Towing Co., Inc. |
| Superior Marine Services, Inc. |
| Totem Ocean Trailer Express, Inc. |
| Trailer Bridge, Inc. |
| TransAtlantic Lines LLC |
| Trico Marine Operators, Inc. |
| Troika International, Ltd. |
| U.S. Ship Management, Inc.a |
| Van Ommeren Shipping (USA) LLC |
| Waterman Steamship Corp.a |
| Weeks Marine, Inc. |
aDenotes Maritime Security Program operators.
SOURCE: U.S. Department of Transportation, Maritime Administration, Office of Sealift Support, 2001.