http://www.abert.org.br/
ABERT Associação Brasileira de Emissoras de Rádio e Televisão

http://www.abratel.org.br/
ABRATEL - Associação Brasileira de Radiodifusão e Telecomunicações

http://www.abta.com.br/
ABTA - Associação Brasileira de Televisão Por Assinatura

http://www.anatel.gov.br
Anatel, Agência Nacional de Telecomunicações

http://www.set.com.br
SET - Sociedade Brasileira de Engenharia de Televisão

http://www.museudatv.com.br/
Museu da Televisão Brasileira




http://www.afi.com/
American Film Institute (AFI) 

http://www.aes.org/
Audio Engineering Society

http://www.aprs.co.uk/
The Association of Professional Recording Services

http://www.ibs.org.uk/
Institute of Broadcast Sound

http://www.documentary.org/
International Documentary Association (IDA) 

http://www.irt.de/
Institut für Rundfunktechnik GmbH

http://www.tonmeister.de/
Verband Deutscher Tonmeister e.V.

http://www.ieee.org/portal/index.jsp
The Institute of Electrical and Electronics Engineers

http://www.ebu.ch/
European Broadcasting Union

http://www.sbe.org/
The Society of Broadcast Engineers

http://www.smpte.org/
Society of Motion Picture & Television Engineers

http://www.dvb.org/
Digital Video Broadcasting

http://www.mpeg.org/MPEG/
Moving Picture Experts Group

http://mpeg.telecomitalialab.com/
Moving Picture Experts Group

http://www.gtc.org.uk
The Guild of Television Cameramen

http://www.pro-mpeg.org/
Pro MPEG Forum

http://www.m4if.org/
MPEG-4 Industry Forum

http://www.aafassociation.org/
Advanced Authoring Format Association

http://oak.cats.ohiou.edu/~postr/MRT/
Museum of Radio and Technology

http://www.dtg.org.uk/
The Digital Television Group

http://www.radiohistory.org/
The Radio History Society

http://www.pavekmuseum.org/
Pavek Museum of Broadcasting

http://www.wga.org/
Writers Guild of America 

http://www.uemedia.com/CPC/cinematographer
American Society of Cinematographers (ASC) 

http://www.castingsociety.com
Casting Society of America (CSA) 

http://www.aftra.org
American Federation of Television and Radio Artists (AFTRA) 

http://www.ace-filmeditors.org/index.htm
American Cinema Editors (ACE) 

http://www.ascap.com
American Society of Composers, Authors and Publishers (ASCAP)

http://www.afma.com
American Film Marketing Association (AFMA) 

http://www.mpaa.org
Motion Picture Association of America (MPAA)

http://www.riaa.org
Recording Industry of America (RIAA) 

http://www.dvdcca.org
DVD Copy Control Association (DVDCCA)

http://www.nab.org
National Association of Broadcasters (NAB)