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)
- American National Standards Institute (ANSI)
- Association of Public-Safety Communications Officials (APCO)
- The American Radio Relay League, Incorporated (ARRL)
- Advanced Television Systems Committee (ATSC)
- Canadian Association of Broadcasters (CAB)
- Consumer Technology Association (CTA)
- Corporation for Public Broadcasting (CPB)
- 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)
- Museum of Television & Radio (MTR)
- National Association of Broadcasters (NAB)
- North American Broadcasters Association (NABA)
- Royal Television Society (RTS)
- Society of Broadcast Engineers, Inc. (SBE)
- Society of Motion Picture and Television Engineers (SMPTE)