Costamare Inc. owns and operates containerships and dry bulk vessels that are chartered to liner companies providing transportation of cargoes worldwide. As of March 19, 2024, it had a fleet of fleet of 68 containerships and 37 dry bulk vessels. The company was founded in 1974 and is based in Monaco.

SFL Corporation Ltd., a maritime and offshore asset owning and chartering company, engages in the ownership, operation, and chartering out of vessels and offshore related assets on medium and long-term charters. The company operates in various sectors of the maritime, and shipping and offshore industries, including oil transportation, dry bulk shipments, chemical transportation, oil products transportation, container transportation, car transportation, and drilling rigs. As of December 31, 2023, the company owned seven crude oil carriers, six oil product tankers, 15 dry bulk carriers, 32 container vessels, one jack-up drilling rig, one ultra-deepwater drilling rig, and five car carriers. It primarily operates in Bermuda, Canada, Cyprus, Liberia, Namibia, Norway, Singapore, the United Kingdom, and the Marshall Islands. The company was formerly known as Ship Finance International Limited and changed its name to SFL Corporation Ltd. in September 2019. SFL Corporation Ltd. was founded in 2003 and is based in Hamilton, Bermuda.

Okeanis Eco Tankers Corp., a shipping company, owns and operates tanker vessels worldwide. It operates a fleet of 14 tanker vessels comprising six modern Suezmax tankers and eight modern VLCC tankers focusing on the transportation of crude oil. The company was incorporated in 2018 and is based in Neo Faliro, Greece.

Teekay Corporation Ltd. engages in the crude oil and other marine transportation services worldwide. The company owns and operates crude oil and refined product tankers. It also provides ship-to-ship support services; tanker commercial management operation services; and operational and maintenance marine services. As of March 1, 2024, the company operated a fleet of approximately 53 owned and chartered-in vessels. It serves energy and utility companies, oil traders, oil consumers and petroleum product producers, government agencies, and other entities that depend upon marine transportation. The company was formerly known as Teekay Corporation and changed its name to Teekay Corporation Ltd. in October 2024. Teekay Corporation Ltd. was founded in 1973 and is headquartered in Hamilton, Bermuda.

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.

Toro Corp., a shipping company, acquires, owns, charters, and operates oceangoing tanker vessels and provides seaborne transportation services for crude oil LPG, and refined petroleum products worldwide. The company operates in three segments: Aframax/LR2 Tanker, Handysize Tanker, and LPG Carrier. As of December 31, 2023, it operated a fleet of one Handysize tanker vessel; one Aframax/LR2 vessel; and four LPG carrier vessels with an aggregate cargo carrying capacity of 0.1 million deadweight ton. Toro Corp. was incorporated in 2022 and is based in Limassol, Cyprus.

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.

Top Ships Inc. owns and operates tanker vessels worldwide. The company's tanker vessels transport crude oil, petroleum products, and bulk liquid chemicals. As of December 31, 2023, it had a fleet with a total capacity of 1,435,000 deadweight tonnes (dwt) consisting of one 50,000 dwt product/chemical tanker, five 157,000 dwt Suezmax tankers, two 300,000 dwt very large crude carriers, and two 50,000 dwt product tankers. The company was formerly known as Top Tankers Inc. and changed its name to Top Ships Inc. in December 2007. Top Ships Inc. was incorporated in 2000 and is based in Marousi, Greece.