| Name | | State or Jurisdiction
of Organization |
| Miltiadis M II Carriers Corp. (f/k/a Cooper Consultants Co.) | | Republic of the Marshall Islands |
| Aias Carriers Corp. | | Republic of Liberia |
| Amoreux Carriers Corp. | | Republic of Liberia |
| Asterias Crude Carrier S.A. | | Republic of the Marshall Islands |
| Navarro International S.A. | | Republic of the Marshall Islands |
| Sorrel Shipmanagement Inc. | | Republic of the Marshall Islands |
| Wind Dancer Shipping Inc. | | Republic of the Marshall Islands |
| Belerion Maritime Co. | | Republic of the Marshall Islands |
| Adrian Shipholding Inc. | | Republic of the Marshall Islands |
| Titanas Product Carrier S.A. | | Republic of Liberia |
| Isiodos Product Carrier S.A. | | Republic of Liberia |
| Iason Product Carrier S.A. | | Republic of Liberia |
| Filonikis Product Carrier S.A. | | Republic of Liberia |
| Iraklitos Shipping Company | | Republic of the Marshall Islands |
| Canvey Shipmanagement Co. | | Republic of the Marshall Islands |
| Apollonas Shipping Company | | Republic of the Marshall Islands |
| Epicurus Shipping Company | | Republic of the Marshall Islands |
| Splendor Shipholding S.A. | | Republic of the Marshall Islands |
| Lorenzo Shipmanagement Inc. | | Republic of the Marshall Islands |
| Laredo Maritime Inc. | | Republic of the Marshall Islands |
| Shipping Rider Co. | | Republic of the Marshall Islands |
| Polarwind Maritime S.A. | | Republic of the Marshall Islands |
| Centurion Navigation Limited | | Republic of the Marshall Islands |
| Tempest Maritime Inc. | | Republic of the Marshall Islands |
| Carnation Shipping Company | | Republic of the Marshall Islands |
| Diamond S Management (Singapore) Pte. Ltd. | | Republic of Singapore |
| Diamond Anglo Ship Management (Singapore) Pte. Ltd. | | Republic of Singapore |
| Heroic Andromeda Inc. | | Republic of Liberia |
| Heroic Aquarius Inc. | | Republic of Liberia |
| Heroic Auriga Inc. | | Republic of Liberia |
| Heroic Avenir Inc. | | Republic of Liberia |
| Heroic Bootes Inc. | | Republic of Liberia |
| Heroic Corona Borealis Inc. | | Republic of Liberia |
| Heroic Equuleus Inc. | | Republic of Liberia |
| Heroic Gaea Inc. | | Republic of Liberia |
| Heroic Hera Inc. | | Republic of Liberia |
| Heroic Hercules Inc. | | Republic of Liberia |
| Heroic Hologium Inc. | | Republic of Liberia |
| Heroic Hydra Inc. | | Republic of Liberia |
| Heroic Leo Inc. | | Republic of Liberia |
| Heroic Libra Inc. | | Republic of Liberia |
| Heroic Lyra Inc. | | Republic of Liberia |
| Heroic Octans Inc. | | Republic of Liberia |
| Heroic Pegasus Inc. | | Republic of Liberia |
| Heroic Perseus Inc. | | Republic of Liberia |
| Heroic Pisces Inc. | | Republic of Liberia |
| Heroic Rhea Inc. | | Republic of Liberia |
| Heroic Sagittarius Inc. | | Republic of Liberia |
| Heroic Scorpio Inc. | | Republic of Liberia |
| Heroic Scutum Inc.. | | Republic of Liberia |
| Heroic Serena Inc. | | Republic of Liberia |
| Heroic Tucana Inc. | | Republic of Liberia |
| Heroic Uranus Inc. | | Republic of Liberia |
| Heroic Virgo Inc. | | Republic of Liberia |
| White Boxwood Shipping S.A. | | Republic of Liberia |
| White Holly Shipping S.A. | | Republic of Liberia |
| White Hydrangea Shipping S.A. | | Republic of Liberia |
| Diamond S Management LLC | | Republic of the Marshall Islands |
| Diamond S Shipping II LLC | | Republic of the Marshall Islands |
| Diamond S Shipping III LLC | | Republic of the Marshall Islands |
| DSS 1 LLC | | Republic of the Marshall Islands |
| DSS 2 LLC | | Republic of the Marshall Islands |
| DSS 3 LLC | | Republic of the Marshall Islands |
| DSS 4 LLC | | Republic of the Marshall Islands |
| DSS 5 LLC | | Republic of the Marshall Islands |
| DSS 6 LLC | | Republic of the Marshall Islands |
| DSS 7 LLC | | Republic of the Marshall Islands |
| DSS 8 LLC | | Republic of the Marshall Islands |
| DSS A LLC | | Republic of the Marshall Islands |
| DSS B LLC | | Republic of the Marshall Islands |
| DSS C LLC | | Republic of the Marshall Islands |
| DSS D LLC | | Republic of the Marshall Islands |
| DSS Suez JV LLC | | Republic of the Marshall Islands |
| DSS Vessel II, LLC | | Republic of the Marshall Islands |
| DSS Vessel III LLC | | Republic of the Marshall Islands |
| DSS Vessel IV LLC | | Republic of the Marshall Islands |
| DSS Vessel LLC | | Republic of the Marshall Islands |
| NT Suez GP LLC | | Republic of the Marshall Islands |
| NT Suez Holdco LLC | | Republic of the Marshall Islands |
| NT Suez One LLC | | Republic of the Marshall Islands |
| NT Suez Two LLC | | Republic of the Marshall Islands |
| CVI Atlantic Breeze, LLC | | United States, Delaware |
| CVI Citron, LLC | | United States, Delaware |
| DSS Citrus LLC | | Republic of the Marshall Islands |
| Diamond S Management LLC | | United States, Delaware |
