Orion Group Holdings, Inc, also called Orion Group, is a specialty construction company, which engages in the provision of water services. It operates thrpugh the Marine and Concrete segments. Read More The Marine segment include marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services. The Concrete segment provides turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial, structural, and other associated business areas. The company was founded in 1994 and is headquartered in Houston, TX.