SEACOR Marine Holdings Inc. provides marine and support transportation services to offshore energy facilities worldwide. It operates and manages a fleet of offshore support vessels that deliver cargo and personnel to offshore installations, including offshore wind farms, and assist with production and storage operations, underwater equipment for drilling and well installation, maintenance, inspection and repair. The company also offers construction, well work-over, offshore wind farm installation and decommissioning support, emergency response services, and accommodations for technicians and specialists. As of December 31, 2025, it operated a fleet of 44 support vessels, all owned. Founded in 1989, SEACOR Marine Holdings Inc. is headquartered in Houston, Texas, and serves integrated national and international oil companies, independent oil and natural gas exploration and production companies, oil field service and construction companies, and offshore wind farm operators and installation and maintenance companies.