Organizations:

• administration
• AFNOR
• American National Standards Institute (ANSI)
• Bell Operating Company (BOC)
• Canadian Standards Association (CSA)
• CCIR
• CCITT
• common carrier
• Deutsches Institut für Normung (DIN)
• FCC
• International Telecommunication Union (ITU)
• ISO
• Joint Telecommunications Resources Board (JTRB)
• National Command Authorities (NCA)
• National Communications System (NCS)
• National Coordinating Center (NCC) for Telecommunications
• public utilities commission (PUC)
• Radio Regulations Board (formerly IFRB)
• recognized operating agency (ROA)
• Regional Bell Operating Company (RBOC)
• specialized common carrier (SCC)