Exhibit 21
As of 2/10/11
SUBSIDIARIES OF OVERSEAS SHIPHOLDING GROUP, INC.
The following table lists all subsidiaries of OSG and all companies in which the registrant directly or indirectly owns at least a 49% interest, except for certain companies and subsidiaries which, if considered in the aggregate as a single entity, would not constitute a significant entity. All of the entities named below are corporations, unless otherwise noted.
| Company | | Where Incorporated, Organized or Domiciled |
| Action Tanker Corporation | | Marshall Islands |
| Africa Conversion Corporation | | Marshall Islands |
| Africa Tanker Corporation | | Marshall Islands |
| Alcesmar Limited | | Marshall Islands |
| Alcmar Limited | | Marshall Islands |
| Allenmar Limited | | Marshall Islands |
| Almar Limited | | Marshall Islands |
| Alpha Aframax Corporation | | Marshall Islands |
| Alpha Suezmax Corporation | | Marshall Islands |
| Alpha Tanker Corporation | | Marshall Islands |
| Amalia Product Corporation | | Marshall Islands |
| Ambermar Product Carrier Corporation | | Marshall Islands |
| Ambermar Tanker Corporation | | Delaware |
| American Shipholding Group, Inc. | | New York |
| Andromar Limited | | Marshall Islands |
| Antigmar Limited | | Marshall Islands |
| Antilles Bulk Holdings N.V. | | Netherlands Antilles |
| Aqua Tanker Corporation | | Marshall Islands |
| Aquamar Shipping Limited | | Marshall Islands |
| Aquarius Tanker Corporation | | Marshall Islands |
| Ariadmar Limited | | Marshall Islands |
| Ariel Shipping Corporation | | Marshall Islands |
| Asia Conversion Corporation | | Marshall Islands |
| Aspro Tanker Corporation | | Marshall Islands |
| Atalmar Limited | | Marshall Islands |
| Athens Product Tanker Corporation | | Marshall Islands |
| Atlas Chartering Corporation | | Marshall Islands |
| Company | | Where Incorporated, Organized or Domiciled |
| Aurora Shipping Corporation | | Marshall Islands |
| Avila Tanker Corporation | | Marshall Islands |
| Batangas Tanker Corporation | | Marshall Islands |
| Beta Aframax Corporation | | Marshall Islands |
| Beta Tanker Corporation | | Marshall Islands |
| Blue Emerald Chartering Corporation | | Marshall Islands |
| Brooklyn Product Tanker Corporation | | Marshall Islands |
| Cabo Hellas Limited | | Marshall Islands |
| Cabo Sounion Limited | | Marshall Islands |
| Camar Limited | | Marshall Islands |
| Capemar Limited | | Marshall Islands |
| Capital Investment Holding Corporation | | Marshall Islands |
| Caribbean Tanker Corporation | | Marshall Islands |
| Carina Tanker Corporation | | Marshall Islands |
| Carl Product Corporation | | Marshall Islands |
| Chrismir Cape Corporation | | Marshall Islands |
| Clean Products International Ltd. | | Marshall Islands |
| Cleliamar Product Carrier Corporation | | Marshall Islands |
| Colmar Ltd | | Marshall Islands |
| Concept Tanker Corporation | | Marshall Islands |
| Crown Tanker Corporation | | Marshall Islands |
| Delphina Product Carrier Corporation | | Marshall Islands |
| Delphina Tanker Corporation | | Delaware |
| Delta Aframax Corporation | | Marshall Islands |
| DHT Ania Aframax Corp. | | Marshall Islands |
| DHT Ann VLCC Corp. | | Marshall Islands |
| DHT Cathy Aframax Corp. | | Marshall Islands |
| DHT Chris VLCC Corp. | | Marshall Islands |
| DHT Rebecca Aframax Corp. | | Marshall Islands |
| DHT Regal Unity VLCC Corp. | | Marshall Islands |
| DHT Sophie Aframax Corp. | | Marshall Islands |
| Dignity Chartering Corporation | | Marshall Islands |
| Dignity Tanker Corporation | | Marshall Islands |
| Dorado Tanker Corporation | | Marshall Islands |
| Company | | Where Incorporated, Organized or Domiciled |
| East Coast Gaugings Limited | | United Kingdom |
| Edindun Shipping Corporation | | Marshall Islands |
| Eighth Aframax Tanker Corporation | | Marshall Islands |
| Epsilon Aframax Corporation | | Marshall Islands |
| Ermar Limited | | Marshall Islands |
| ERN Holdings Inc. | | Panama |
| Fifth Aframax Tanker Corporation | | Marshall Islands |
| First Chemical Carrier Corporation | | Marshall Islands |
| First LPG Tanker Corporation | | Marshall Islands |
| First Manila Product Tanker Corporation | | Marshall Islands |
| First Pacific Corporation | | Marshall Islands |
| First Shipco Inc. | | Marshall Islands |
| First Suezmax Corporation | | Marshall Islands |
| First Suezmax Tanker Corporation | | Marshall Islands |
| First Union Tanker Corporation | | Marshall Islands |
| Fourth Aframax Tanker Corporation | | Marshall Islands |
| Fourth Spirit Holding N.V. | | Netherlands Antilles |
| Front President Inc. | | Marshall Islands |
| Front Tobago, Inc. | | Liberia |
| Goldmar Limited | | Marshall Islands |
| GPC Aframax Corporation | | Marshall Islands |
| Grace Chartering Corporation | | Marshall Islands |
| Imperial Tankers Corporation | | Marshall Islands |
| International Seaways, Inc. | | Marshall Islands |
| Jacamar Ltd | | Marshall Islands |
| Jademar Limited | | Marshall Islands |
| Jamar Limited | | Marshall Islands |
| Joyce Car Carrier Corporation | | Marshall Islands |
| Juneau Tanker Corporation | | New York |
| Kimolos Tanker Corporation | | Marshall Islands |
| Kythnos Chartering Corporation | | Marshall Islands |
| Leo Tanker Corporation | | Marshall Islands |
| Leyte Product Tanker Corporation | | Marshall Islands |
| Limar Charter Corporation | | Marshall Islands |
| Company | | Where Incorporated, Organized or Domiciled |
| Lion Tanker Corporation | | Marshall Islands |
| Luxmar Tanker LLC | | Delaware (1) |
| Majestic Tankers Corporation | | Marshall Islands |
| Maple Tanker Corporation | | Marshall Islands |
| Maremar Tanker LLC | | Delaware (1) |
| Marilyn Vessel Corporation | | Delaware |
| Maritrans General Partner Inc. | | Delaware |
| Maritrans Operating Company L.P. | | Delaware (2) |
| Martank Shipping Holdings Limited | | British Virgin Islands |
| Matilde Cape Corporation | | Marshall Islands |
| Meridian Tanker Corporation | | Marshall Islands |
| Milos Product Tanker Corporation | | Marshall Islands |
| Mindanao Tanker Corporation | | Marshall Islands |
| Nedimar Charter Corporation | | Marshall Islands |
| Neptune Product Carrier Corporation | | Marshall Islands |
| Ninth Aframax Tanker Corporation | | Marshall Islands |
| Northanger Shipping Corporation | | Marshall Islands |
| Oak Tanker Corporation | | Marshall Islands |
| Ocean Bulk Ships, Inc. | | Delaware |
| Oceania Tanker Corporation | | Marshall Islands |
| Oleron Tanker S.A. | | Panama |
| OSG 192 LLC | | Delaware (1) |
| OSG 209 LLC | | Delaware (1) |
| OSG 214 LLC | | Delaware (1) |
| OSG 215 Corporation | | Delaware |
| OSG 242 Charterer LLC | | Delaware (1) |
| OSG 242 LLC | | Delaware (1) |
| OSG 243 Charterer LLC | | Delaware (1) |
| OSG 243 LLC | | Delaware (1) |
| OSG 244 LLC | | Delaware (1) |
| OSG 252 LLC | | Delaware (1) |
| OSG 254 LLC | | Delaware (1) |
| OSG 296 LLC | | Delaware (1) |
| OSG 297 LLC | | Delaware (1) |
| Company | | Where Incorporated, Organized or Domiciled |
| OSG 298 LLC | | Delaware (1) |
| OSG 300 LLC | | Delaware (1) |
| OSG 352 LLC | | Delaware (1) |
| OSG 400 LLC | | Delaware (1) |
| OSG America L.P. | | Delaware (2) |
| OSG America LLC | | Delaware (1) |
| OSG America Operating Company LLC | | Delaware (1) |
| OSG AVTC II, LLC | | Delaware (1) |
| OSG AVTC I, LLC | | Delaware (1) |
| OSG Bulk Ships, Inc. | | New York |
| OSG Car Carriers, Inc. | | New York |
| OSG Chartering Corporation | | Delaware |
| OSG Clean Products International, Inc. | | Marshall Islands |
| OSG CNG Transportation Corporation | | Marshall Islands |
| OSG Columbia LLC | | Delaware (1) |
| OSG Constitution LLC | | Delaware (1) |
| OSG Courageous LLC | | Delaware (1) |
| OSG Delaware Bay Lightering LLC | | Delaware (1) |
| OSG Discovery LLC | | Delaware (1) |
| OSG Endeavor LLC | | Delaware (1) |
| OSG Endurance LLC | | Delaware (1) |
| OSG Enterprise LLC | | Delaware (1) |
| OSG Financial Corp. | | Delaware |
| OSG Freedom LLC | | Delaware (1) |
| OSG Group Purchasing Limited | | United Kingdom |
| OSG Honour LLC | | Delaware (1) |
| OSG Independence LLC | | Delaware (1) |
| OSG International, Inc. | | Marshall Islands |
| OSG Intrepid LLC | | Delaware (1) |
| OSG Liberty LLC | | Delaware (1) |
| OSG Lightering Acquisition Corporation | | Marshall Islands |
| OSG Lightering LLC | | Liberia (3) |
| OSG Lightering Services Inc. | | Liberia |
| OSG Lightering Solutions LLC | | Marshall Islands (4) |
| Company | | Where Incorporated, Organized or Domiciled |
| OSG Mariner LLC | | Delaware (1) |
| OSG Maritrans Parent LLC | | Delaware (1) |
| OSG Nakilat Corporation | | Marshall Islands |
| OSG Navigator LLC | | Delaware (1) |
| OSG New York, Inc. | | Marshall Islands |
| OSG-NNA Ship Management Services, Inc. | | Philippines |
| OSG Overseas Ship Management (Canada) Inc. | | Canada |
| OSG Product Tankers AVTC, LLC | | Delaware (1) |
| OSG Product Tankers Member LLC | | Delaware (1) |
| OSG Product Tankers II, LLC | | Delaware (1) |
| OSG Product Tankers I, LLC | | Delaware (1) |
| OSG Product Tankers, LLC | | Delaware (1) |
| OSG Product Tankers Member (Martinez) LLC | | Delaware (1) |
| OSG Product Tankers Martinez II, LLC | | Delaware (1) |
| OSG Product Tankers Martinez I, LLC | | Delaware (1) |
| OSG Product Tankers Martinez, LLC | | Delaware (1) |
| OSG Product Tankers Member (Tampa) LLC | | Delaware (1) |
| OSG Product Tankers Tampa II, LLC | | Delaware (1) |
| OSG Product Tankers Tampa I, LLC | | Delaware (1) |
| OSG Product Tankers Tampa, LLC | | Delaware (1) |
| OSG Quest LLC | | Delaware (1) |
| OSG Seafarer LLC | | Delaware (1) |
| OSG Ship Management (GR) Ltd. | | Marshall Islands |
| OSG Ship Management (London) Limited | | United Kingdom |
| OSG Ship Management (UK) Ltd. | | United Kingdom |
| OSG Ship Management Asia Pacific Pte. Ltd. | | Singapore |
| OSG Ship Management, Inc. | | Delaware |
| OSG Ship Management Manila Inc. | | Philippines |
| OSG Shuttle Tankers Member (Chinook) LLC | | Delaware (1) |
| OSG Shuttle Tankers Chinook II, LLC | | Delaware (1) |
| OSG Shuttle Tankers Chinook I, LLC | | Delaware (1) |
| OSG Shuttle Tankers Chinook , LLC | | Delaware (1) |
| OSG Tankers (UK) Ltd. | | United Kingdom |
| OSG Valour LLC | | Delaware (1) |
| Company | | Where Incorporated, Organized or Domiciled |
| OSP 300 LLC | | Delaware (1) |
| OSP 400 LLC | | Delaware (1) |
| Overseas Allegiance Corporation | | Delaware |
| Overseas Anacortes LLC | | Delaware (1) |
| Overseas Boston LLC | | Delaware (1) |
| Overseas Diligence LLC | | Delaware (1) |
| Overseas Galena Bay LLC | | Delaware (1) |
| Overseas Houston LLC | | Delaware (1) |
| Overseas Integrity LLC | | Delaware (1) |
| Overseas LNG H1 Corporation | | Marshall Islands |
| Overseas LNG H2 Corporation | | Marshall Islands |
| Overseas LNG S1 Corporation | | Marshall Islands |
| Overseas LNG S2 Corporation | | Marshall Islands |
| Overseas Long Beach LLC | | Delaware (1) |
| Overseas Los Angeles LLC | | Delaware (1) |
| Overseas Martinez LLC | | Delaware (1) |
| Overseas New Orleans Charterer LLC | | Delaware (1) |
| Overseas New Orleans LLC | | Delaware (1) |
| Overseas New York LLC | | Delaware (1) |
| Overseas Nikiski LLC | | Delaware (1) |
| Overseas Perseverance Corporation | | Delaware |
| Overseas Philadelphia Charterer LLC | | Delaware (1) |
| Overseas Philadelphia LLC | | Delaware (1) |
| Overseas Puget Sound Charterer LLC | | Delaware (1) |
| Overseas Puget Sound LLC | | Delaware (1) |
| Overseas Sea Swift Corporation | | Delaware |
| Overseas Shipping (GR) Ltd. | | Marshall Islands |
| Overseas ST Holding LLC | | Delaware (1) |
| Overseas Tampa LLC | | Delaware (1) |
| Overseas Texas City LLC | | Delaware (1) |
| Palmar Maritime Ltd. | | Marshall Islands |
| Panamax International Ltd. | | Marshall Islands |
| Panamax International Shipping Company Ltd. | | Marshall Islands |
| Peak Aframax Tanker Corporation | | Marshall Islands |
| Company | | Where Incorporated, Organized or Domiciled |
| Pearlmar Limited | | Marshall Islands |
| Petromar Limited | | Marshall Islands |
| Pipe Suezmax Corporation | | Marshall Islands |
| Pisces Tanker Corporation | | Marshall Islands |
| Polaris Tanker Corporation | | Marshall Islands |
| Polys Product Carrier Corporation | | Marshall Islands |
| Primar Shipping Limited | | Marshall Islands |
| Profit Suezmax Corporation | | Marshall Islands |
| Queens Product Tanker Corporation | | Marshall Islands |
| Reginamar Limited | | Marshall Islands |
| Reinemar Limited | | Marshall Islands |
| Reliance Shipping B.V. | | Netherlands |
| Reymar Limited | | Marshall Islands |
| Rich Tanker Corporation | | Marshall Islands |
| Rimar Chartering Corporation | | Marshall Islands |
| Rosalyn Tanker Corporation | | Marshall Islands |
| Rosemar Limited | | Marshall Islands |
| Royal Tankers Corporation | | Marshall Islands |
| Ruby Tanker Corporation | | Marshall Islands |
| Rubymar Limited | | Marshall Islands |
| Sakura Transport Corp. | | Marshall Islands |
| Samar Product Tanker Corporation | | Marshall Islands |
| Sapphire Tanker Corporation | | Marshall Islands |
| Sargasso Tanker Corporation | | Marshall Islands |
| Second LPG Tanker Corporation | | Marshall Islands |
| Second Suezmax Corporation | | Marshall Islands |
| Serifos Tanker Corporation | | Marshall Islands |
| Seventh Aframax Tanker Corporation | | Marshall Islands |
| Ship Paying Corporation No. 1 | | Delaware |
| Ship Paying Corporation No. 3 | | Liberia |
| Shirley Tanker SRL | | Barbados (5) |
| Sifnos Tanker Corporation | | Marshall Islands |
| Silvermar Limited | | Marshall Islands |
| Sixth Aframax Tanker Corporation | | Marshall Islands |
| Company | | Where Incorporated, Organized or Domiciled |
| Skopelos Product Tanker Corporation | | Marshall Islands |
| Souter Shipping Ltd. | | United Kingdom |
| Spirit Shipping B.V. | | Netherlands |
| SSL Services Ltd. | | Bermuda |
| Star Chartering Corporation | | Marshall Islands |
| Suezmax International Agencies, Inc. | | Marshall Islands |
| Suezmax International Cooperatief U.A. | | Netherlands |
| Takamar Ltd | | Marshall Islands |
| Talara Chartering Corporation | | Marshall Islands |
| Talara Product Corporation | | Marshall Islands |
| Tanker Management Ltd | | United Kingdom |
| Tenth Aframax Tanker Corporation | | Marshall Islands |
| Third Aframax Tanker Corporation | | Marshall Islands |
| Third United Shipping Corporation | | Marshall Islands |
| 1372 Tanker Corporation | | Marshall Islands |
| 1395 Tanker Corporation | | Marshall Islands |
| TI Africa Limited | | Hong Kong |
| TI Asia Limited | | Hong Kong |
| Tokyo Transport Corp. | | Marshall Islands |
| Transbulk Carriers, Inc. | | Delaware |
| Troy Chartering Corporation | | Marshall Islands |
| Troy Product Corporation | | Marshall Islands |
| U.S. Shipholding Group, Inc. | | New York |
| Uranus Product Carrier Corporation | | Marshall Islands |
| Urban Tanker Corporation | | Marshall Islands |
| Vega Product Carrier Corporation | | Marshall Islands |
| Vega Tanker Corporation | | Delaware |
| Venus Tanker Corporation | | Marshall Islands |
| View Tanker Corporation | | Marshall Islands |
| Vivian Tankships Corporation | | New York |
| Vulpecula Chartering Corporation | | Marshall Islands |
| Western Ship Agencies Limited | | United Kingdom |
| Wind Aframax Tanker Corporation | | Marshall Islands |
(1) This entity is a Delaware limited liability company.
(2) This entity is a Delaware limited partnership.
(3) This entity is a Liberian limited liability company.
(4) This entity is a Marshall Islands limited liability company.
(5) This entity is a Barbados society with restricted liability.
