Helix Energy Solutions Group, Inc., together with its subsidiaries, provides specialty services to the offshore energy industry primarily in the Gulf of Mexico, North Sea, the Asia Pacific, and West Africa regions. The company operates through four segments: Well Intervention, Robotics, Production Facilities, and Subsea Construction. It engineers, manages, and conducts well construction, intervention, and abandonment operations in water depths ranging from 200 to 10,000 feet; and operates remotely operated vehicles (ROVs), trenchers, and ROVDrills for offshore construction, maintenance, and well intervention services. The company offers production services, such as inspection, repair, and maintenance of production structures, trees, jumpers, risers, pipelines, and subsea equipment; well intervention services; life of field support services; intervention engineering services. It also provides reclamation and remediation services; plugging and abandonment services; pipeline abandonment services; and site inspection services. In addition, the company engages in the installation of subsea pipelines, flowlines, control umbilicals, manifold assemblies, and risers; burial of pipelines; installation and tie-in of riser and manifold assembly; commissioning, testing, and inspection; and cable and umbilical lay and connection. Further, it offers oil and natural gas processing services to oil and natural gas companies; and fast response system services. The company’s customers primarily include independent oil and gas producers and suppliers, pipeline transmission companies, alternative (renewable) energy companies, and offshore engineering and construction firms. The company was formerly known as Cal Dive International, Inc. and changed its name to Helix Energy Solutions Group, Inc. in March 2006. Helix Energy Solutions Group, Inc. was incorporated in 1979 and is headquartered in Houston, Texas.