AAC - Austrian Association of Cinematographers [A]
AAFB- Association of Austrian Filmproducers [A]
ABTT - The Association of British Theatre Technicians [UK]
AES - Audio Engineering Society [US]
ALD-Assosiation of Lightning Designers [UK]
AMPS Assosiation of Motion Picture Sound  
ASA - Acoustical Society of America [US]
Association of Swedish Lighting Designers (English Version)  [SW]
BECTU - Broadcasting Enntertainment Cinematograph & Theatre Union  [UK]
BKSTS - The moving image society  [UK] 
CIE - The International Commission on Illumination  
CITT - The Canadian Institute of Theatre Technology [CA]
DTHG - Deutsche Theatertechnische Gesellschaft [D]
EBU- European Broadcast Union [EU]
ELDA - The European Lighting Designers Association [EU]
ESTA - The Entertainment Services and Technology Association  [US]
FASE - Federation of Acoustical Societies of Europe [EU]
IABM- International Association of Broadcasting Manafacturers  
The International Association for Energy-Efficient Lighting   
IALD - International Association of Lighting Designers  
IATSE -The International Alliance of Theatrical Stage Employes, Moving Picture Technicians, Artists and Allied Crafts of the United States and Canada [US/CA] 
IBS Institute of Broadcast Sound  
IEC -The International Electrotechnical Commission  
IESANZ - The Illuminating Engineering Society of Australia & New Zealand [AUS] 
IESNA- Illuminating Engineering Society of North America [US]
IRT Institut für Rundfunktechnik  [D]
ISO - The International Standards Organisation  
ITS International Tele Production  
IAAPA -International Association of Amusement Parks and Attractions  
MIS Moving Image Society [UK]
NAB - National Association of Broadcasters  
NZATT -The New Zealand Association for Theatre Craft, Design and Technology  
OeTHG- Österrreichische Theatertechnische Gesellschaft [A]
OISTAT - The International Organisation of Scenographers, Theatre Architects and Technicians  
PLASA - international body of lighting, sound and special effects  
Production Services Association  [UK] 
ProRig -The Professional Riggers International Guild   
Pyrotechnics Guild International Incorporated  [US]
SAITT -The South African Institute for Theatre Technology  
SBE - Society of Broadcast Engineers  
SBTD -The Society of British Theatre Designers [UK]
SMPTE - Society of motion picture and television engineers  
SPARS - Society of Professional Audio Recording Services  
The Society of Operating Cameramen  
STVLD Society of Television Lighting Directors [CA]
USITT -The US Institute for Theatre Technology [US]
VDFS-Verwertungsgesellschaft Dachverband Filmschaffender [A]
VDT - Verband Deutscher Tonmeister [D]
VÖF- Verband Österreichischer Filmausstatter [A]
VPLT e.V. -Professional Lighting and Sound Association of Germany [D]