MARINE HOLDINGS COMPANY I, INC. (790979939) 1135 NW 46 ST SEATTLE, WA 98107-4633

Marine Holdings Company I, Inc. specializes in complex underwater construction and diving services. Their core capabilities include the execution of underwater surveys, piping repairs, and the installation of submerged infrastructure. The company possesses technical expertise in utilizing certified scuba divers for high-risk environments, including deep-water operations and below-grade wetwells. Their specializations extend to the replacement of submerged butterfly valves, valve stem extensions, and manual valve operators in depths exceeding 40 feet. The company works primarily with the U.S. Army Corps of Engineers, specifically supporting the Omaha, Seattle, and Tulsa Districts. Their agency experience focuses on critical infrastructure maintenance, including the survey of navigation walls and stilling basins in ship canals, as well as raw water intake repairs for municipal water companies. Their industry focus spans heavy civil engineering construction, specialized underwater diving services, and the fabrication of fabricated structural metal products. In practice, this positions the company as a niche provider of marine construction and underwater facility maintenance. The company is based in Seattle, Washington, and operates as a specialized contractor within the government marine and civil works market.