 Besler was an active member of the American Railway Association and became its President when it was renamed the Association of American Railroads.He was also a Director of Gamewell Company, Rockwood Sprinkler Company, Holtzer-Cabot Electric Company, Eagle Signal Corporation, New York Transfer Company, National Railway Publication Company, Lehigh and Hudson River Railway Company, and Davenport Locomotive Works.Besler was also Director and Vice-President of the New Jersey Chamber of Commerce.