Tsakos Energy Navigation Limited provides seaborne crude oil and petroleum product transportation services worldwide. The company offers marine transportation services for national, major, and other independent oil companies and refiners under long, medium, and short-term charters. It also operates a fleet of double-hull vessels, comprising of conventional tankers, LNG carriers, and suezmax DP2 shuttle tankers. The company was formerly known as MIF Limited and changed its name to Tsakos Energy Navigation Limited in July 2001. The company was incorporated in 1993 and is based in Athens, Greece.

Diana Shipping Inc. provides shipping transportation services. The company transports a range of dry bulk cargoes, including commodities, such as iron ore, coal, grain, and other materials in shipping routes worldwide. As of March 1, 2024, it operated a fleet of 38 dry bulk vessels, including 4 Newcastlemax, 8 Capesize, 5 Post-Panamax, 6 Kamsarmax, 9 Ultramax, and 6 Panamax. The company was formerly known as Diana Shipping Investments Corp. and changed its name to Diana Shipping Inc. in February 2005. Diana Shipping Inc. was incorporated in 1999 and is based in Athens, Greece.

Imperial Petroleum Inc. provides international seaborne transportation services to oil producers, refineries, and commodities traders. It carries refined petroleum products, such as gasoline, diesel, fuel oil, and jet fuel, as well as edible oils and chemicals, crude oils, iron ore, coal and grains, and minor bulks, such as bauxite, phosphate, and fertilizers. As of April 1, 2024, the company owned and operated a fleet of six medium range refined petroleum product tankers; one Aframax tanker; two suezmax tankers; and two handysize drybulk carriers with a total capacity of 791,000 deadweight tons. The company was incorporated in 2021 and is based in Athens, Greece.

EuroDry Ltd., through its subsidiaries, provides ocean-going transportation services worldwide. The company owns and operates drybulk carriers that transport major bulks, such as iron ore, coal, and grains; and minor bulks, including bauxite, phosphate, and fertilizers. As of March 31, 2024, its fleet consisted of 13 drybulk carriers comprising five Panamax drybulk carriers, two Kamsarmax carriers, five Ultramax drybulk carriers, and one Supramax drybulk carrier with total cargo carrying capacity of 918,502 deadweight ton. The company was incorporated in 2018 and is based in Marousi, Greece.

Globus Maritime Limited, an integrated dry bulk shipping company, provides marine transportation services worldwide. It owns, operates, and manages a fleet of dry bulk vessels that transport iron ore, coal, grain, steel products, cement, alumina, and other dry bulk cargoes. As of September 20, 2024, the company operated eight dry bulk vessels with a total carrying capacity of 571,313 deadweight tonnage. It charters its vessels to operators, trading houses, shipping companies and producers, and government-owned entities. The company was incorporated in 2006 and is based in Athens, Greece. Globus Maritime Limited is a subsidiary of Firment Trading Limited.

Castor Maritime Inc. provides shipping services worldwide. The company operates through Dry Bulk Vessels and Containerships segments. It offers seaborne transportation services for dry bulk cargo; and commodities, such as iron ore, coal, soybeans, etc. As of December 31, 2023, the company owned and operated a fleet of 17 vessels primarily consisting of one Capesize, five Kamsarmax, two Handysize tanker vessels, and nine Panamax dry bulk vessels, as well as two 2,700 TEU containership vessels. Castor Maritime Inc. was incorporated in 2017 and is based in Limassol, Cyprus.

OceanPal Inc. provides ocean-going transportation services worldwide. The company owns and operates dry bulk carriers that transport major bulks, such as iron ore, coal, and grains, as well as minor bulks, including bauxite, phosphate, and fertilizers. As of December 31, 2023, its fleet consisted of five dry bulk carriers, which include three Panamaxes and two Capesize vessels with a cargo carrying capacity of approximately 572,599 deadweight tons. The company was incorporated in 2021 and is based in Athens, Greece.

Icon Energy Corp. engages in the ocean transportation of dry bulk cargoes worldwide. The company was incorporated in 2023 and is based in Athens, Greece. Icon Energy Corp. is a subsidiary of Atlantis Holding Corp.