The Animation Guild, also known as TAG is a professional guild and union of animation artists, writers, technicians, and production workers. The full name of the organization is The Animation Guild and Affiliated Optical Electronic and Graphic Arts, Local 839 of the International Alliance of Theatrical Stage Employees and Moving Picture Technicians, Artists and Allied Crafts of the United States, its Territories and Canada, American Federation of Labor-Congress of Industrial Organizations/Canadian Labour Congress. Source: Wikipedia (en)