William Pitt Sotheby’s International Realty recently recognized the company’s top-producing agents for 2016, including 28 agents from the firm’s Southport on the Harbor Brokerage. The company, which operates in Connecticut, Massachusetts and Westchester County, New York, announced its top 15 agents by dollar volume, its top 15 by units and its top two agents by both dollar volume and units in each of its offices.