Watco Companies, LLC is the owner of Watco Transportation Services, LLC, one of the largest short line railroad holding companies in the U.S. with 41 short line railroads operating on more than 5,100 miles of track, as well as 31 industrial contract switching locations. The Terminal and Port Services division currently manages more than 86 terminals nationwide.  Watco's Mechanical Services operates at 19 locations with four them providing mobile mechanical services and eight of them providing AAR certified tank car repair services.