NAICS 561421: This U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages to clients.


  • Answering Services, Telephone
  • Message Services, Telephone Answering
  • Telephone Answering Services
  • Voice Mailbox Services
  • Wakeup Call Services

Market Stats Related Contracts

Open Projects Related Projects

One Sec...
Patient Appointing Services Last updated 20 hours ago / Department of the Air Force
Due 2/10/17

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