Government Entities
- U.S. Census Bureau
- Federal Aviation Administration (FAA)
- Federal Communications Commission (FCC) – Enforcement Bureau
- Federal Communications Commission (FCC) – International Bureau
- Federal Communications Commission (FCC) – Media Bureau
- Federal Communications Commission (FCC) – Wireless Telecommunications Bureau
- Federal Emergency Management Agency (FEMA)
- FCC Rules – From the G.P.O.
- National Institute of Standards & Technology (NIST)
- National Telecommunications Information Administration – NTIA – (NRC)
- U.S. Geological Survey (USGS)
Broadcast Industry Groups & Associations
- Association of Federal Communications Consulting Engineers (AFCCE)
- Association for International Broadcasting (AIB)
- American National Standards Institute (ANSI)
- Association of Public-Safety Communications Officials (APCO)
- Association of Public Television Stations (APTS)
- The American Radio Relay League, Incorporated (ARRL)
- Advanced Television Systems Committee (ATSC)
- American Women in Radio and Television, Inc. (AWRT)
- Broadcast Education Association (BEA)
- The Moving Image Society (IMIS / BKSTS)
- Canadian Association of Broadcasters (CAB)
- College Broadcasters, Inc. (CBI)
- Consumer Technology Association (CTA)
- Corporation for Public Broadcasting (CPB)
- Country Radio Broadcasters (CRB)
- Federal Communications Bar Association (FCBA)
- International Broadcasting Convention (IBC)
- Institute of Electrical and Electronics Engineers, Inc (IEEE)
- IEEE Broadcast Technology Society (IEEE-BTS)
- IEEE Communications Society (IEEE-COMSOC)
- International Radio & Television Society Foundation (IRTS)
- Association for Maximum Service Television, Inc. (MSTV)
- Museum of Television & Radio (MTR)
- National Association of Broadcasters (NAB)
- North American Broadcasters Association (NABA)
- National Association of Farm Broadcasters (NAFB)
- National Association of TV Program Executives (NATPE)
- National Cable Television Association (NCTA)
- National Federation of Community Broadcasters (NCFB)
- National Religious Broadcasters (NRB)
- Order of the Iron Test Pattern (OITP)
- Radio-Television News Directors Association (RTNDA)
- Royal Television Society (RTS)
- Society of Broadcast Engineers, Inc. (SBE)
- Society of Cable Telecommunications Engineers (SCTE)
- Society of Motion Picture and Television Engineers (SMPTE)
- Women In Cable & Telecommunications (WICT)