The Audio Engineering Society www.aes.org
Society of Broadcast Engineers www.sbe.org
Professional Lighting and Sound Organization www.plasa.org.uk
The International Communications Industries Assoc. www.icia.org
International Music Products Association www.namm.com
National Systems Contractors Association www.nsca.org
Society of Motion Picture and Television Engineers www.smpte.org
SYN-AUD-CON www.synaudcon.com