American Pontoon is the premier custom work platform builder. We have built and designed hundreds of custom platforms. We can build them from the ground up, or retro fit your existing platform. We are a certified USCG compliant shop. We have worked closely with the USCG for our customers to insure that their vessal is in compliance. We have Large diameters available up 60 inches. Our commercial style tube is sectioned and bulkheaded every 5 feet . Included are inspection ports and side and bottom keel. References are available upon request.