SMHI

SEACOR Marine Holdings Inc. provides marine and support transportation services to offshore oil, natural gas, and windfarm facilities worldwide. As of December 31, 2020, the company operated a fleet of 101 support and specialty vessels, of which 64 were owned or leased-in, 35 were joint-ventured, and 2 were managed on behalf of unaffiliated third-parties. Its offshore support vessels deliver cargo and personnel to offshore installations, including wind farms; handle anchors and mooring equipment required to tether rigs to the seabed; and assist in placing them on location and moving them between regions; provide construction, well work-over, maintenance 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. The company was founded in 1989 and is headquartered in Houston, Texas.