Eastern Shipbuilding Group, Inc. (ESG) is an American owned and operated shipbuilder with three shipyards on the Florida Gulf Coast. They build world class vessels for national defense and commercial clients. ESG is the largest private sector employer in Northwest Florida and is a 2017 recipient of the U.S. Department of Homeland Security Small Business of the Year award. With a portfolio of over 350 vessels and Defense Contract Management Agency (DCMA) and Defense Contract Audit Agency (DCAA) certified systems, ESG is known as one of the most diverse vessel construction companies in the country.