and operations Reporting indices ViacomCBS works with a wide range of industry unions including the Screen Actors Guild-American Federation of Television and Radio Artists (SAGAFTRA), the Writers Guild of America (WGA), the Directors Guild of America (DGA), International Alliance of Theatrical Stage Employees (IATSE), the International Brotherhood of Teamsters, Basic Crafts (including the International Brotherhood of Electrical Workers), the Communications Workers of America (CWA) as well as unions in other jurisdictions outside the United States.