Associations

	Administrator North American Numbering Plan
	American National Standards Institute (ANSI)
	Bellcore - Has become Telcordia
	BICSI
	CENELEC
	Institute of Electrical and Electronics Engineers (IEEE)
	Insulated Cable Engineers Association (ICEA)
	International Electrotechnical Commision (IEC)
	International Standards Organization (ISO)
	National Electrical Contractors Association (NECA)
	National Electrical Manufacturers Association (NEMA)
	National Fire Protection Association (NFPA)
	National Systems Contractors Association (NSCA)
	Society of Cable Telecommunications Engineers (SCTE)
	Telecommunications Industry Association (TIA)
	Underwriters Laboratories (UL)
	Video Electronic Standards Association (VESA)

Government

	California Public Utilities
	Federal Communications Commission