EXHIBIT 21.1 SEACOR HOLDINGS INC. & SUBSIDIARIES MAJORITY OWNED SUBSIDIARIES AS OF DECEMBER 31, 2003 Jurisdiction of Incorporation ------------------------------ Boston Putford Offshore Safety Ltd. England Bruce Marine Limited Scotland Congo Seacor Marine SA Republic of the Congo DELTA SEACOR Offshore Inc. Delaware Energy Logistics, Inc. Delaware F2B Investments Inc. Delaware Galaxie Offshore LLC Louisiana Gem Shipping Inc. Delaware Gem Shipping Ltd. Cayman Islands Gilbert Cheramine Boats LLC Louisiana Graham Offshore LLC Delaware Haven Shipping Company Limited Scotland International Response Corporation Delaware Liberty Services, Inc. Louisiana McCall's Boat Rentals LLC Louisiana National Response Corporation Delaware National Response Corporation of Puerto Rico Delaware Northland Marine Services, Inc. Washington NRC Environmental Services Inc. Washington O'Brien Oil Pollution Service, Inc. Louisiana Offshore Aviation Inc. Delaware OSRV Holdings, Inc. Delaware Putford Ltd. England SCF Barge Line LLC Delaware SCF Boats LLC Delaware SCF Management Services, Inc. New York SCF Marine Inc. Delaware SEACAP Leasing Associates LLC Delaware SEACOR Acadian Companies Inc. Delaware SEACOR Bulk Carriers Inc. Marshall Islands SEACOR Capital (Singapore) Pte. Ltd. Singapore SEACOR Capital (UK) Ltd. England SEACOR Capital Corporation Delaware SEACOR Capital Two Ltd. England SEACOR Communications Inc. Delaware SEACOR Environmental Services (Middle East) Ltd. British Virgin Islands SEACOR Environmental Services Inc. Delaware SEACOR HOLDINGS INC. & SUBSIDIARIES MAJORITY OWNED SUBSIDIARIES AS OF DECEMBER 31, 2003 Jurisdiction of Incorporation ------------------------------- SEACOR Inland River Transport Inc. Delaware SEACOR International Chartering Inc. Delaware SEACOR International Ltd. England SEACOR Management Services Inc. Delaware SEACOR Marine (Asia) Pte. Ltd. Singapore SEACOR Marine (Bahamas) Inc. Marshall Islands SEACOR Marine (Europe) B.V. Netherlands SEACOR Marine (International) Ltd. England SEACOR Marine (Isle of Man) Ltd. Isle of Man SEACOR Marine (Mexico) Inc. Louisiana SEACOR Marine (Nigeria) LLC Louisiana SEACOR Marine (West Africa) SAS France SEACOR Marine Guernsey Ltd. Guernsey SEACOR Marine International LLC Delaware SEACOR Marine LLC Delaware SEACOR Ocean Boats Inc. Delaware SEACOR Offshore LLC Delaware SEACOR Offshore Services Inc. Delaware SEACOR Offshore Supplyships One Ltd. Marshall Islands SEACOR Vision LLC Delaware SEACOR Worldwide Inc. Delaware SEACOR-SMIT Holdings B.V. Netherlands SEACOR-SMIT Offshore (International) Inc. Delaware SEACOR-SMIT Offshore (International) Ltd. Marshall Islands SEACOR-SMIT Offshore (Worldwide) Ltd. Marshall Islands SEACOR-SMIT Offshore I Inc. Delaware Southern Crewing Services Ltd. England Stirling Marine Limited Scotland Stirling Offshore Limited Scotland Stirling Shipmanagement Limited Scotland Stirling Shipping Company Limited Scotland Stirling Shipping Holdings Limited Scotland Storm Shipping Inc. Delaware Tex-Air Helicopters, Inc. Texas The O'Brien's Group, Inc. Delaware Vector-Seacor Ltd. England VEESEA Holdings Inc. Delaware Venezuelan Response Corporation, S.A. Venezuela Warbler Shipping Ltd. England Weston Barge Line, Inc. Delaware Yarnell Marine, LLC Washington SEACOR HOLDINGS INC. & SUBSIDIARIES 50% OR LESS OWNED SUBSIDIARIES AS OF DECEMBER 31, 2003 Jurisdiction of Incorporation ----------------------- Applied Process Technology, Inc. California Delta Seacor (T&T) Limited Trinidad & Tobago Globe Wireless, LLC Delaware IRC do Brasil, Ltda. Brazil Marine Environmental Services (Thailand) Ltd. Thailand Marine Pelican Offshore Services Ptd. Ltd. Singapore Maritima Mexicana, S.A. de C.V. Mexico MINVEST S.A. Argentina Nautical Power, L.L.C. Delaware Naviera Ultragas-Seacor, Ltda. Chile Ocean Marine Services (Egypt) Ltd. Egypt Patagonia Offshore Services S.A. Argentina Pelican Offshore Services Pte. Ltd. Singapore Red Dragon Marine Services Ltd. China Sakhalin Marine Services, LLC Russian Federation SCF Towboat III, L.P. Delaware Sea Treasure Shipping Ltd. Liberia SEACOR-SMIT (Aquitaine) Ltd. Bahamas SEAMEX International Ltd. Liberia Smit Lloyd Matsas (Hellas) Shipping Company S.A. Greece Smit-Lloyd Mainport (Ireland) Ltd. Ireland South Atlantic Response S.A. Argentina Strategic Software Ltd. England Svitzer (Egypt) S.A.E. Egypt VENSEA Marine S.R.L. Venezuela VENSEA Offshore Ltd. Bahamas West Africa Offshore Limited Nigeria West Coast Standby Ltd. England