Orion Group Holdings Inc

Orion Group Holdings, Inc. is a specialty construction company serving the infrastructure, industrial, and building sectors through two operating segments: Marine and Concrete. The Marine segment provides construction and dredging services including marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, and design and specialty services. Operations span the continental United States, Alaska, Hawaii, Canada, the Pacific Islands, and the Caribbean Basin. The Concrete segment provides turnkey concrete construction services including place and finish, site preparation, layout, forming, and rebar placement for large commercial, structural, high-rise residential, industrial, data center, healthcare, and advanced manufacturing projects, with hubs in Texas, Florida, and Arizona. The company owns over 1,000 pieces of specialty equipment with a replacement value of approximately $600 million and benefits from high barriers to entry including Jones Act protections in the U.S. marine market. In February 2026, Orion acquired J.E. McAmis, expanding its marine construction capabilities and West Coast presence. The company employs approximately 2,000 people and trades on the NYSE under the ticker ORN. Updated Jul 29, 2026