EXHIBIT 21

OMI Corporation
Subsidiaries as of December 31, 2006
(All subsidiaries are 100% owned directly or indirectly except as indicated)

|                                |                   
|------------------------------- | ------------------
|COMPANY                         | JURISDICTION      
|                                |                   
|                                |                   
|Adair
  Shipping LLC            | Marshall
  Islands
|                                |                   
|Alliance
  Chartering LLC (50%) | Marshall
  Islands
|                                |                   
|Alma
  Shipping LLC             | Marshall
  Islands
|                                |                   
|Amazon
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Angelica
  Shipping LLC         | Marshall
  Islands
|                                |                   
|Arlene
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Ashley
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Bandar Ayu
  Shipping LLC       | Marshall
  Islands
|                                |                   
|Brazos
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Charente
  Shipping LLC         | Marshall
  Islands
|                                |                   
|Colorado
  Shipping LLC         | Marshall
  Islands
|                                |                   
|Columbia
  Shipping LLC         | Marshall
  Islands
|                                |                   
|Dakota
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Danube
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Deanne
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Delaware
  Shipping LLC         | Marshall
  Islands
|                                |                   
|Elbe
  Shipping LLC             | Delaware,
  USA   
|                                |                   
|Elbe
  Shipping LLC             | Marshall
  Islands
|                                |                   
|Fox Shipping
  LLC              | Marshall
  Islands
|                                |                   
|Ganges
  Shipping LLC           | Marshall
  Islands
|                                |                   
|Garonne
  Shipping LLC          | Marshall
  Islands
|                                |                   
|Gemini
  Tankers LLC            | Marshall
  Islands
|                                |                   
|Guadalupe
  Shipping LLC        | Marshall
  Islands
|                                |                   
|Horizon
  Shipping LLC          | Marshall
  Islands

1

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|                                             |                   
|-------------------------------------------- | ------------------
|COMPANY                                      | JURISDICTION      
|                                             |                   
|                                             |                   
|Hudson
  Shipping LLC                        | Marshall Islands  
|                                             |                   
|Ingeborg
  Shipping LLC                      | Marshall
  Islands
|                                             |                   
|International
  Product Carriers Ltd. (50%)  | Bermuda           
|                                             |                   
|Isere
  Shipping LLC                         | Marshall
  Islands
|                                             |                   
|Janet
  Shipping LLC                         | Marshall
  Islands
|                                             |                   
|Jeanette
  Shipping LLC                      | Marshall
  Islands
|                                             |                   
|Kansas
  Shipping LLC                        | Marshall
  Islands
|                                             |                   
|Laurel
  Shipping LLC                        | Marshall
  Islands
|                                             |                   
|Lauren
  Shipping LLC                        | Marshall
  Islands
|                                             |                   
|Libra
  Tankers LLC                          | Marshall
  Islands
|                                             |                   
|Limar
  Shipping LLC                         | Marshall
  Islands
|                                             |                   
|Loire
  Shipping LLC                         | Marshall
  Islands
|                                             |                   
|Madison
  Shipping LLC                       | Marshall
  Islands
|                                             |                   
|Marne
  Shipping LLC                         | Marshall
  Islands
|                                             |                   
|Moselle
  Shipping LLC                       | Marshall
  Islands
|                                             |                   
|Neches
  Shipping LLC                        | Marshall
  Islands
|                                             |                   
|Nile
  Shipping LLC                          | Marshall
  Islands
|                                             |                   
|Ohio
  Shipping LLC                          | Marshall
  Islands
|                                             |                   
|OMI
  Chartering LLC                         | Marshall
  Islands
|                                             |                   
|OMI
  Chartering Services LLC                | Delaware,
  USA   
|                                             |                   
|OMI Crewing
  Services Limited               | Bermuda           
|                                             |                   
|OMI Holding
  Limited                        | Mauritius         
|                                             |                   
|OMI Marine
  Services LLC                    | Delaware,
  USA   
|                                             |                   
|Orinoco
  Marine Consultancy India Pvt. Ltd. | India             
|                                             |                   
|Orontes
  Shipping LLC                       | Marshall
  Islands
|                                             |                   
|Ottawa Shipping
  LLC                        | Marshall
  Islands
|                                             |                   
|Pagoda
  Shipping LLC                        | Marshall
  Islands
|                                             |                   
|Patricia
  Shipping LLC                      | Marshall
  Islands

2

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|                            |                   
|--------------------------- | ------------------
|COMPANY                     | JURISDICTION      
|                            |                   
|                            |                   
|Paulina
  Shipping LLC      | Marshall
  Islands
|                            |                   
|Pecos
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Platte
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Potomac
  Shipping LLC      | Marshall
  Islands
|                            |                   
|Racer
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Radiance
  Shipping LLC     | Marshall
  Islands
|                            |                   
|Rain
  Shipping LLC         | Marshall
  Islands
|                            |                   
|Republican
  Shipping LLC   | Marshall
  Islands
|                            |                   
|Rhine
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Rhone
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Roanoke
  Shipping LLC      | Marshall
  Islands
|                            |                   
|Rosetta
  Shipping LLC      | Marshall
  Islands
|                            |                   
|Ruby
  Shipping LLC         | Marshall
  Islands
|                            |                   
|Sabine
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Sacramento
  Shipping LLC   | Marshall
  Islands
|                            |                   
|San Jacinto
  Shipping LLC  | Marshall
  Islands
|                            |                   
|Saone
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Seine
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Settebello
  Shipping LLC   | Liberia           
|                            |                   
|Severn
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Shannon
  Shipping LLC      | Delaware,
  USA   
|                            |                   
|Shannon
  Shipping LLC      | Marshall
  Islands
|                            |                   
|Somjin
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Soyang
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Tamar
  Shipping LLC        | Marshall
  Islands
|                            |                   
|Tandjung Ayu
  Shipping LLC | Marshall
  Islands
|                            |                   
|Tevere
  Shipping LLC       | Marshall
  Islands
|                            |                   
|Thames
  Shipping LLC       | Marshall
  Islands

3

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|                       |                   
|---------------------- | ------------------
|COMPANY                | JURISDICTION      
|                       |                   
|                       |                   
|Tiber
  Shipping LLC   | Marshall
  Islands
|                       |                   
|Trent
  Shipping LLC   | Marshall
  Islands
|                       |                   
|Trinity
  Shipping LLC | Marshall
  Islands
|                       |                   
|UBC
  Chartering Ltd.  | Liberia           
|                       |                   
|Volga
  Shipping LLC   | Marshall
  Islands
|                       |                   
|Wabash
  Shipping LLC  | Marshall
  Islands

4

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