Exhibit 21.1
SUBSIDIARIES OF OSG INTERNATIONAL, INC.
The following table lists all subsidiaries of OSG International, Inc. 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 | |
| Alcesmar Limited | Marshall Islands | |
| Alcmar Limited | Marshall Islands | |
| Amalia Product Corporation | Marshall Islands | |
| Ambermar Product Carrier Corporation | Marshall Islands | |
| Andromar Limited | Marshall Islands | |
| Antigmar Limited | Marshall Islands | |
| Antilles Bulk Holdings N.V. | Curaҫao | |
| Ariadmar Limited | Marshall Islands | |
| Atalmar Limited | Marshall Islands | |
| Athens Product Tanker Corporation | Marshall Islands | |
| Aurora Shipping Corporation | Marshall Islands | |
| Batangas Tanker Corporation | Marshall Islands | |
| Cabo Hellas Limited | Marshall Islands | |
| Cabo Sounion Limited | Marshall Islands | |
| Caribbean Tanker Corporation | Marshall Islands | |
| Carl Product Corporation | Marshall Islands | |
| Clean Products International Ltd. | Marshall Islands | |
| Concept Tanker Corporation | Marshall Islands | |
| Delta Aframax Corporation | Marshall Islands | |
| Eighth Aframax Tanker Corporation | Marshall Islands | |
| Epsilon Aframax Corporation | Marshall Islands | |
| ERN Holdings Inc. | Panama | |
| First Pacific Corporation | Marshall Islands | |
| First Union Tanker Corporation | Marshall Islands | |
| Fourth Spirit Holding N.V. | Curaҫao | |
| Front President Inc. | Marshall Islands | |
| Front Tobago Shipping Corporation | Marshall Islands | |
| Goldmar Limited | Marshall Islands | |
| Jademar Limited | Marshall Islands | |
| Kimolos Tanker Corporation | Marshall Islands | |
| Kythnos Chartering Corporation | Marshall Islands | |
| Leyte Product Tanker Corporation | Marshall Islands | |
| Luxmar Product Tanker Corporation | Marshall Islands | |
| Majestic Tankers Corporation | Marshall Islands | |
| Maple Tanker Corporation | Marshall Islands | |
| Maremar Product Tanker Corporation | Marshall Islands | |
| Milos Product Tanker Corporation | Marshall Islands | |
| Mindanao Tanker Corporation | Marshall Islands | |
| Oak Tanker Corporation | Marshall Islands | |
| Oceania Tanker Corporation | Marshall Islands | |
| OIN Chartering, Inc. | Marshall Islands | |
| OIN Delaware LLC | Delaware (1) | |
| Oleron Tanker S.A. | Panama |
| Company | Where Incorporated, Organized or Domiciled | |
| OSG Clean Products International, Inc. | Marshall Islands | |
| OSG Lightering LLC | Liberia (2) | |
| OSG-NNA Ship Management Services, Inc. | Philippines | |
| OSG Ship Management (GR) Ltd. | Marshall Islands | |
| OSG Ship Management (UK) Ltd. | United Kingdom | |
| OSG Ship Management Manila Inc. | Philippines | |
| Overseas Shipping (GR) Ltd. | Marshall Islands | |
| Panamax International Ltd. | Marshall Islands | |
| Panamax International Shipping Company Ltd. | Marshall Islands | |
| Pearlmar Limited | Marshall Islands | |
| Petromar Limited | Marshall Islands | |
| Reliance Shipping B.V. | Netherlands | |
| Reymar Limited | Marshall Islands | |
| Rich Tanker Corporation | Marshall Islands | |
| Rosalyn Tanker Corporation | Marshall Islands | |
| Rosemar Limited | Marshall Islands | |
| Rubymar Limited | Marshall Islands | |
| Sakura Transport Corp. | Marshall Islands | |
| Samar Product Tanker Corporation | Marshall Islands | |
| Serifos Tanker Corporation | Marshall Islands | |
| Seventh Aframax Tanker Corporation | Marshall Islands | |
| Ship Paying Corporation No. 3 | Liberia | |
| Shirley Aframax Corporation | Marshall Islands | |
| Shirley Tanker SRL | Barbados (3) | |
| Sifnos Tanker Corporation | Marshall Islands | |
| Silvermar Limited | Marshall Islands | |
| Sixth Aframax Tanker Corporation | Marshall Islands | |
| Skopelos Product Tanker Corporation | Marshall Islands | |
| Spirit Shipping B.V. | Netherlands | |
| Star Chartering Corporation | Marshall Islands | |
| Third United Shipping Corporation | Marshall Islands | |
| 1372 Tanker Corporation | Marshall Islands | |
| Tokyo Transport Corp. | Marshall Islands | |
| Urban Tanker Corporation | Marshall Islands | |
| View Tanker Corporation | Marshall Islands |
(1) This entity is a Delaware limited liability company.
(2) This entity is a Liberian limited liability company.
(3) This entity is a Barbados society with restricted liability.
