- ACTRA – Alliance of Canadian Cinema TV & Radio Artists – Canada
- AEA – Actors’ Equity Association
- AFL-CIO – American Federation of Labor
- AFM – American Federation of Musicians
- AFTRA – American Federation of Radio & TV Artists
- AFTRA-SAG – Dallas/Ft. Worth
- AGMA – American Guild of Musical Artists
- AGVA – American Guild of Variety Artists
- BECTU – Broadcasting Entertainment Cinematograph & Theatre Union – UK
- British Actors Equity
- CFTPA – Canadian Film & TV Production Association
- DGA – Directors Guild of America
- DGC – Directors Guild of Canada
- DGGB – Directors Guild of Great Britain – UK
- IATSE – International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States, Its Territories and Canada
- IATSE – CANADA
- IATSE – East Coast Council
- IATSE Local 1 – Theatrical Stage Employees
- IATSE Local 80 – Motion Picture Studio Grips
- IATSE Local 212 – Calgary, Canada
- IATSE Local 302 – Projectionists & Video Technicians, Alberta, Canada
- IATSE Local 363 – Nevada
- IATSE Local 600 – International Cinematographers Guild
- IATSE Local 695 – Sound
- IATSE Local 700 – Editors Guild
- IATSE Local 720 – Las Vegas
- IATSE Local 767 – First Aid
- IATSE Local 829 – United Scenic Artists
- IATSE Local 839 – Screen Cartoonists
- IATSE Local 849 – Film Technicians – Halifax, Nova Scotia
- IATSE Local 873 – Ontario, Canada
- IATSE Local 876 – Art Directors
- IATSE Local 884 – Studio Teachers
- IATSE Local 891 – Canada
- IATSE Local 922 – Theatrical Sound Designers
- IBEW – International Brotherhood of Electrical Workers
- IBPAT – International Brotherhood of Painters & Allied Trades
- IBT – International Brotherhood of Teamsters
- NABET Local 700 – Canada
- NABET-CWA – Washington DC
- SAG – Screen Actors Guild
- SSDC – Society of Stage Directors and Choreographers
- STCVQ – Syndicat des Techniciennes et Techniciens du Cinema et de la Video du Quebec – Canada
- WGA – Writers Guild of America
- WGA East – Writers Guild of America – East
- WGC – Writers Guild of Canada