IATSE stands for the International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States. Originally formed to represent stagehands and projectionists, IATSE represents numerous branches of the entertainment industry, including motion picture and television production, industrial shows, conventions, facility maintenance, casinos, audio visual and computer graphics. For many workers IATSE membership is one of their most valuable and proudest possessions.