AdvanTec Marine is the parent brand to Diamond Sea Glaze, Freeman Marine, Pacific Coast Marine, and Steelhead Marine who specialize in: design, engineering and manufacturing of specialty application closures. We are one of the largest marine manufacturers in the world, have geographic locations in the US & Canada, and ship to over 50 countries worldwide. Our customer base include North American & International Navies, Governments, Militaries, Commercial Vessel and Super Yacht Builders. We are a growing team of close to 300 people, and all of our products/solutions are conceived, designed, engineered and manufactured here in North America.
2400-Series Cast Aluminum Flush Hatches
Freeman Marine 4000 Series Premium Portlights
Freeman Marine Doors
Boat Building / Repair
Boat Building Supplies
Deck Machinery / Hardware / Equipment
Naval Architects / Marine Engineers