Helix Energy Solutions Group, Inc.

International offshore energy services company founded in 1979 as Cal Dive International and renamed Helix Energy Solutions Group in 2006. Publicly traded on NYSE (HLX) with approximately 2,313 employees and headquarters in Houston, Texas. Provides specialty well intervention, robotics, and decommissioning services across the Gulf of America, Brazil, North Sea, Asia Pacific, and West Africa. Operates a fleet of 33 vessels including the Q4000, Q5000, and Q7000 semisubmersible well intervention units, plus 29 ROVs and multiple trenching systems. Has completed over 1,905 subsea well intervention operations worldwide. Also manufactures subsea pressure control equipment through its Subsea Technologies Group (STL) subsidiary in Aberdeen. Expanded into shallow water abandonment through the 2022 acquisition of Alliance Group, operating liftboats, diving support vessels, and a heavy lift derrick barge from multiple Louisiana bases.