Orion Marine Group, Inc., is a leading heavy civil marine contractor. Orion provides a broad range of turnkey marine construction and specialty services on, over and under the water along the Gulf Coast, the Atlantic Seaboard and the Caribbean Basin. Services include marine transportation facility construction, dredging, repair and maintenance, bridge building, marine pipeline construction, as well as salvage, demolition, diving, surveying, towing, underwater inspection, excavation and repair. The company is headquartered in Houston, Texas, and has more than 75 years of successful operations.