Demex Marine Construction and Gamellia Ironworks & Construction work in tandem as sister companies, specializing in marine construction, with a focus on erosion prevention, construction, and maintenance. They have grown these small, family-owned businesses into one force known for its craftsmanship, safety efforts, and innovation, with a highly trained crew and meticulously maintained fleet. The company is committed to using locally sourced materials and American-made steel on every project, keeping customers and the company connected to their local economy. With years of experience in marine construction, Demex strives to complete projects without incident, protecting the shores and Lake Erie while also connecting homeowners to the lake in sustainable ways.
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