EX-21 4 insw-20241231xex21.htm EX-21

Exhibit 21

SUBSIDIARIES OF INTERNATIONAL SEAWAYS, INC.

The following table lists, as of December 31, 2024, all subsidiaries of International Seaways, 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

Africa Tanker Corporation

Marshall Islands

Albans Tanker Corporation

Marshall Islands

Alpha Seaways MR Tanker Corporation

Marshall Islands

Amalia Product Corporation

Marshall Islands

Apollonas Shipping Company

Marshall Islands

Asterias Crude Carrier S.A.

Marshall Islands

Athens Product Tanker Corporation

Marshall Islands

Batangas Tanker Corporation

Marshall Islands

Belerion Maritime Co.

Marshall Islands

Beta Seaways MR Tanker Corporation

Marshall Islands

Cape Seaways Ltd.

Marshall Islands

Carl Product Corporation

Marshall Islands

CPT Alliance Ltd.

Marshall Islands

Crystal Tanker Corporation

Marshall Islands

CVI Citron, LLC

Delaware (1)

Delta Aframax Corporation

Marshall Islands

Delta Seaways MR Tanker Corporation

Marshall Islands

Diamond S Management LLC

Marshall Islands (3)

Diamond S Shipping II LLC

Marshall Islands (3)

Diamond S Shipping III LLC

Marshall Islands (3)

Diamond S Shipping Inc.

Marshall Islands

Diamond Tanker Company LLC

Marshall Islands (3)

DSS 1 LLC

Marshall Islands (3)

DSS 2 LLC

Marshall Islands (3)

DSS 5 LLC

Marshall Islands (3)

DSS 6 LLC

Marshall Islands (3)

DSS 7 LLC

Marshall Islands (3)

DSS 8 LLC

Marshall Islands (3)

DSS A LLC

Marshall Islands (3)

DSS B LLC

Marshall Islands (3)

DSS C LLC

Marshall Islands (3)

DSS D LLC

Marshall Islands (3)

DSS Suez JV LLC

Marshall Islands (3)

DSS Vessel II, LLC

Marshall Islands (3)

DSS Vessel III LLC

Marshall Islands (3)

DSS Vessel IV LLC

Marshall Islands (3)

DSS Vessel LLC

Marshall Islands (3)

Eagle Product Tanker Corporation

Marshall Islands

EB Tanker Corporation

Marshall Islands

Epicurus Shipping Company

Marshall Islands

Epsilon Aframax Corporation

Marshall Islands

Filonikis Product Carrier S.A.

Liberia

First Pacific Corporation

Marshall Islands

Front President Inc.

Marshall Islands

Front Tobago Shipping Corporation

Marshall Islands

Guayaquil Tanker Corporation

Marshall Islands

Harrison Tanker Corporation

Marshall Islands

Hatteras Tanker Corporation

Marshall Islands

Hendricks Tanker Company LLC

Marshall Islands (3)

Henry Tanker Company LLC

Marshall Islands (3)


Company

    

Where Incorporated,
Organized or Domiciled

Heroic Andromeda Inc.

Liberia

Heroic Auriga Inc.

Liberia

Heroic Avenir Inc.

Liberia

Heroic Equuleus Inc.

Liberia

Heroic Gaea Inc.

Liberia

Heroic Hera Inc.

Liberia

Heroic Hercules Inc.

Liberia

Heroic Hologium Inc.

Liberia

Heroic Hydra Inc.

Liberia

Heroic Libra Inc.

Liberia

Heroic Octans Inc.

Marshall Islands

Heroic Pegasus Inc.

Liberia

Heroic Perseus Inc.

Marshall Islands

Heroic Pisces Inc.

Marshall Islands

Heroic Sagittarius Inc.

Marshall Islands

Heroic Scorpio Inc.

Marshall Islands

Heroic Scutum Inc.

Liberia

Heroic Serena Inc.

Liberia

Heroic Tucana Inc.

Marshall Islands

Heroic Virgo Inc.

Liberia

Iason Product Carrier S.A.

Liberia

International Seaways Operating Corporation

Marshall Islands

International Seaways Ship Management LLC

Delaware (1)

Iraklitos Shipping Company

Marshall Islands

Isiodos Product Carrier S.A.

Liberia

Jennings Tanker Corporation

Marshall Islands

Kythnos Chartering Corporation

Marshall Islands

Lafayette Tanker Corporation

Marshall Islands

Leyte Product Tanker Corporation

Marshall Islands

Liberty Tanker Company LLC

Marshall Islands (3)

Lightering LLC

Liberia (2)

Lorenzo Shipmanagement Inc.

Marshall Islands

Maple Tanker Corporation

Marshall Islands

Milos Product Tanker Corporation

Marshall Islands

Mindanao Tanker Corporation

Marshall Islands

Montauk Tanker Corporation

Marshall Islands

Navarro International S.A.

Marshall Islands

NT Suez One LLC

Marshall Islands (3)

Oak Tanker Corporation

Marshall Islands

OIN Chartering, Inc.

Marshall Islands

OSG Clean Products International, Inc.

Marshall Islands

Overseas Shipping (GR) Ltd.

Marshall Islands

Panamax International Ltd.

Marshall Islands

Rose Tanker Corporation

Marshall Islands

Samar Product Tanker Corporation

Marshall Islands

Seaways Alpha LR Corporation

Marshall Islands

Seaways Alternative Energy Holding Corporation

Marshall Islands

Seaways Beta LR Corporation

Marshall Islands

Seaways Delta LR Corporation

Marshall Islands

Seaways Epsilon LR Corporation

Marshall Islands

Seaways First AE Tanker Corporation

Marshall Islands

Seaways Gamma LR Corporation

Marshall Islands

Seaways Holding Corporation

Marshall Islands

Seaways LR Holding Corporation

Marshall Islands

Seaways Second AE Tanker Corporation

Marshall Islands

Seaways Shipping Corporation

Marshall Islands

Seaways Shipping II Corporation

Marshall Islands

Seaways Shipping III Corporation

Marshall Islands

Seaways Subsidiary VII Inc.

Marshall Islands


Company

    

Where Incorporated,
Organized or Domiciled

Seaways Third AE Tanker Corporation

Marshall Islands

Seaways Zeta LR Corporation

Marshall Islands

Second Katsura Tanker Corporation

Marshall Islands

Skopelos Product Tanker Corporation

Marshall Islands

Sorrel Shipmanagement Inc.

Marshall Islands

Titanas Product Carrier S.A.

Liberia

Triton Tanker Company LLC

Marshall Islands (3)

Tybee Tanker Company LLC

Marshall Islands (3)

Urban Tanker Corporation

Marshall Islands

View Tanker Corporation

Marshall Islands

White Boxwood Shipping S.A.

Liberia

White Hydrangea Shipping S.A.

Marshall Islands

Wind Dancer Shipping Inc.

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 Marshall Islands limited liability company.