Defunct radio broadcasting companies

• 
  Alpha Broadcasting
• 
  American Broadcasting-Paramount Theatres
• 
  Avco Broadcasting Corporation

• 
  Backyard Broadcasting
• 
  Buckley Radio

• Capital Cities/ABC Inc.
• 
  CBS Radio
• 
  Citadel Broadcasting Corporation
• Combined Communications Corporation

• 
  Digity
• 
  Dispatch Broadcast Group
• Doubleday Broadcasting

• 
  Fisher Communications

• Greater Media

• 
  Infinity Broadcasting
• 
  Intermountain West Communications

• 
  Jacor Communications

• 
  Kaiser Broadcasting Company

• 
  Lincoln Financial Media

• 
  Macquarie Media
• 
  Macquarie Sports Radio
• Malrite Communications Group
• 
  Mapleton Communications
• Multimedia, Inc.

• Nationwide Communications
• NewCity Communications
• 
  NextMedia

• 
  RKO General

• Shamrock Broadcasting
• 
  Storer Communications
• 
  Susquehanna Radio Corporation

• Category:Taft Broadcasting
• 
  Taft Broadcasting Corporation

• Viacom (1970–2006)

• 
  Westinghouse Broadcasting Company

• 
  ZGS Communications