SEACOR Marine Holdings Inc. provides marine and support transportation services to offshore oil, natural gas, and windfarm facilities in the United States, Africa, Europe, the Middle East, Asia, and Latin America. The company’s offshore support and specialty vessels deliver cargo and personnel to offshore installations, including offshore wind farms; handle anchors and mooring equipment for offshore rigs and platforms; assist offshore operations for production and storage facilities; provide construction, well work-over, and offshore wind farm installation and decommissioning support; and carry and launch equipment used underwater in drilling and well installation, maintenance, inspection, and repair, as well as offer accommodations for technicians and specialists, safety support, and emergency response services. As of December 31, 2024, the company operated a fleet of 54 support vessels, of which 51 were owned or leased-in, and three were managed on behalf of unaffiliated third parties.