DTHG
Dthg - fachverband der profis für theater - film - fernsehen - show - event
http://www.dthg.de/
CITT
Canadian institute for theatre technology
http://www.citt.org/
BASTT
BASTT
http://www.bastt.be/
ABTT
The official web site of the association of british theatre technicians
http://www.abtt.org.uk/
ESTA
Esta is a non-profit trade association representing the entertainment technology industry dedicated to a core mission of building the business of show business. esta promotes professionalism and growth in the industry and provides a forum where interested parties can come together to exchange ideas and information, create standards and recommended practices, and address issues of training and certification.
http://www.esta.org/
OeTHG
OeTHG
http://www.oethg.or.at/
Vakbeurs Theatertechniek
Kuiters idee en organisatie
http://www.vakbeurs-theatertechniek.nl/
USITT
USITT
http://www.usitt.org/
PSA
Psa members are companies and individuals involved in live event production, security and planning, professional audio visual, lighting, sound and equipment hire.
http://www.psa.org.uk/
VPT
Homepage of zichtlijnen a dutch magazine about theatre crafts and theatre management
http://www.zichtlijnen.nl/default.asp?load=&path=t32vwjlo