The Shearer Group, Inc. (TSGI) located in Houston, Texas, is the global leader for design of inland towboats and barges. We have a rich history of providing naval architecture and marine engineering services to the marine industry, with a focus on the inland sector. Inland barges built to our designs number in the thousands, along with a myriad of towboat, dry dock and other specialty designs. Further, we are proud to be one of the only naval architecture and marine engineering members of The American Waterways Operators, Inc. TSGI has certifications for; AWO-RCP auditors, American Waterways Operators, and National Association of Marine Surveyors (NAMS). TSGI is certified to inspect and certify Marine Cargo Gear and we are Professional Engineers. Also see our sister company's page Bristol Harbor Group, Inc.