**Exhibit 21**

 

**SUBSIDIARIESOF OSG AMERICA L.P.**

 

Thefollowing table lists all subsidiaries of the Registrant and all companies inwhich the Registrant directly or indirectly owns a 49% interest, except forcertain companies and subsidiaries which, if considered in the aggregate as asingle entity, would not constitute a significant entity. All of the entitiesnamed below are limited liability companies, unless otherwise noted.

 
| **Company**                               | ** ** | **Where Organized** |
|-------------------------------------------|------------|--------------------------|
| Luxmar  Tanker LLC                        |       | Delaware                 |
| Maremar  Tanker LLC                       |       | Delaware                 |
| OSG  192 LLC                              |       | Delaware                 |
| OSG  209 LLC                              |       | Delaware                 |
| OSG  214 LLC                              |       | Delaware                 |
| OSG  242 LLC                              |       | Delaware                 |
| OSG  243 LLC                              |       | Delaware                 |
| OSG  244 LLC                              |       | Delaware                 |
| OSG  252 LLC                              |       | Delaware                 |
| OSG  254 LLC                              |       | Delaware                 |
| OSG  America Operating Company LLC        |       | Delaware                 |
| OSG  Columbia LLC                         |       | Delaware                 |
| OSG  Courageous LLC                       |       | Delaware                 |
| OSG  Endurance LLC                        |       | Delaware                 |
| OSG  Enterprise LLC                       |       | Delaware                 |
| OSG  Freedom LLC                          |       | Delaware                 |
| OSG  Honour LCC                           |       | Delaware                 |
| OSG  Independence LLC                     |       | Delaware                 |
| OSG  Intrepid LLC                         |       | Delaware                 |
| OSG  Navigator                            |       | Delaware                 |
| OSG  Product Tankers I, LLC               |       | Delaware                 |
| OSG  Product Tankers II, LLC              |       | Delaware                 |
| OSG  Product Tankers Member LLC           |       | Delaware                 |
| OSG  Product Tankers, LLC                 |       | Delaware                 |
| OSG  Seafarer LLC                         |       | Delaware                 |
| OSG  Shuttle Tankers Chinook II, LLC      |       | Delaware                 |
| OSG  Shuttle Tankers Chinook I, LLC       |       | Delaware                 |
| OSG  Shuttle Tankers Chinook, LLC         |       | Delaware                 |
| OSG  Shuttle Tankers Member (Chinook) LLC |       | Delaware                 |
| Overseas  Anacortes LLC                   |       | Delaware                 |

 

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| Overseas  Boston LLC       |   | Delaware |
|----------------------------|--------|----------|
| Overseas  Diligence LLC    |   | Delaware |
| Overseas  Galena Bay LLC   |   | Delaware |
| Overseas  Houston LLC      |   | Delaware |
| Overseas  Integrity LLC    |   | Delaware |
| Overseas  Long Beach LLC   |   | Delaware |
| Overseas  Los Angeles LLC  |   | Delaware |
| Overseas  New Orleans LLC  |   | Delaware |
| Overseas  New York LLC     |   | Delaware |
| Overseas  Nikiski LLC      |   | Delaware |
| Overseas  Philadelphia LLC |   | Delaware |
| Overseas  Puget Sound LLC  |   | Delaware |
| Overseas  Texas City LLC   |   | Delaware |

 

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