APCO International (Association of Public Safety Comm. Officials)
http://www.apcointl.org

AASHTO (American Association of State Highway and Transportation Officials)
http://www.aashto.org

ATSC (Advanced Television System Committee)
http://www.atsc.org

CDMA Development Group
http://www.cdg.org

Consumer Electronic Association
http://www.ce.org

CTIA (Cellular Telecommunications Industry Association)
http://www.wow-com.com

ENTELEC (Energy Telecommunications and Electrical Association)
http://www.entelec.org/

FCCA (Forestry Conservation Communication Association)
http://www.fcca-usa.org/

IEEE - The Institute for Electrical and Electronic Engineers
http://www.ieee.org

National Association of Broadcasters
http://www.nab.org

National Association of Tower Erectors
http://www.natehome.com

National Institute of Justice
http://www.ojp.usdoj.gov/nij/

National Religious Broadcasters
http://nrb.org/

PCIA (Personal Communications Industry Association)
http://www.pcia.com

Radio Club of America
http://www.Radio-Club-of-America.org

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

SMPTE (Society of Motion Picture and Television Engineers)
http://www.smpte.org

UTC
http://utc.org

Wireless Dealers Association
http://wirelessdealers.com/

Wireless LAN Alliance
http://www.wlana.com

WISPA - Wireless Internet Service Providers Association
www.wispa.org

College Broadcasters
http://www.ruf.rice.edu/~willr/cb/