» TWU Local 555    Represents employees at Southwest Airlines.    http://www.twu555.org/

» Transport Workers Union Local 100    Representing workers in New York City's transit system.    http://www.twulocal100.org/

» Transport Workers Union Local 514    Organized labor union for mechanics, stock clerks, fleet service, machinists, welders, painters, composite workers, and facility maintenance at American Airlines and Zeco, Tulsa Oklahoma.    http://www.twu514.org/

» Transport Workers Union of America (TWU)    An industrial trade union representing workers in public transportation, airlines, railroads, utilities, universities, local government, and in service and allied industries.    http://www.twu.org