The Alliance of Motion Picture and Television Producers (AMPTP) is a trade association based in Sherman Oaks, California, that represents over 350 American television and film production companies in collective bargaining negotiations with entertainment industry trade unions that include, among others, SAG-AFTRA, the Directors Guild of America, the Writers Guild of America, West, the Writers Guild of America, East, the American Federation of Musicians, and the International Alliance of Theatrical Stage Employees. From Wikipedia
