Capital Clean Energy Carriers Corp., a shipping company, provides marine transportation services in Greece. The company's vessels provide a range of cargoes, including liquefied natural gas, containerized goods, and cargo under short-term voyage charters, and medium to long-term time charters. It owns vessels, including Neo-Panamax container vessels, Panamax container vessels, cape-size bulk carrier, and LNG carriers. In addition, the company produces and distributes oil and natural gas, including biofuels, motor oil, lubricants, petrol, crudes, liquefied natural gas, marine fuels, natural gas liquids, and petrochemicals. It serves as the general partner of the company. The company was formerly known as Capital Product Partners L.P. and changed its name to Capital Clean Energy Carriers Corp. in August 2024. Capital Clean Energy Carriers Corp. was incorporated in 2007 and is headquartered in Piraeus, Greece. Capital Clean Energy Carriers Corp. operates as a subsidiary of Capital Maritime & Trading Corp.

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.

StealthGas Inc., together with its subsidiaries, provides seaborne transportation services to liquefied petroleum gas (LPG) producers and users worldwide. The company's carriers carry various petroleum gas products in liquefied form, including propane, butane, butadiene, isopropane, propylene, and vinyl chloride monomer, as well as ammonia; refined petroleum products, such as gasoline, diesel, fuel oil, and jet fuel; and edible oils and chemicals. It offers crude oil and natural gas. The company operates a fleet of 33 LPG carries, including six JV vessels. StealthGas Inc. was incorporated in 2004 and is based in Athens, Greece.

C3is Inc. offers international seaborne transportation services. It provides its services to dry bulk charterers, including national and private industrial users, commodity producers and traders, oil producers, refineries, and commodities traders and producers. The company owns and operates a fleet of two drybulk carriers, which transport major bulks, such as iron ore, coal and grains, as well as minor bulks comprising bauxite, phosphate, and fertilizers, and one Aframax crude oil tanker that transports crude oil. C3is Inc. was founded in 2021 and is based in Athens, Greece.

Pyxis Tankers Inc. operates as a maritime transportation company with a focus on the tanker and dry-bulk sectors worldwide. It operates through Tanker Vessels and Dry-Bulk Vessels segments. The company's fleet transports refined petroleum products, such as naphtha, gasoline, jet fuel, kerosene, diesel, and fuel oil, as well as other liquid bulk items, including vegetable oils and organic chemicals. As of March 15, 2024, it operated a fleet of three double hull product tankers and two dry-bulk vessels. Pyxis Tankers Inc. was incorporated in 2015 and is based in Maroussi, Greece. Pyxis Tankers Inc. is a subsidiary of Maritime Investors Corp.

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.

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.