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Business Profile

Interlock Devices

National Interlock

Reviews

Customer Review Ratings

4.83/5 stars

Average of 24 Customer Reviews

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Review Details

  • Review fromRon

    Date: 07/06/2025

    5 stars
    Under the circumstances it was a pleasure to work with the folks at Lifesafer interlock on middlebrook in knoxville tennessee.
  • Review fromMary Anne Robinson

    Date: 05/06/2025

    5 stars
    Great customer service from all of the members, making sure that they have helped with any issues or questions. Very helpful and informative service.
  • Review fromTravis S.

    Date: 03/27/2025

    5 stars
    Very professional and helpful for all interlock needs. I highly recommend to anybody!
  • Review fromMike R.

    Date: 03/27/2025

    5 stars
    People are friendly and know the business very well. Thank you.
  • Review fromSam C.

    Date: 03/27/2025

    5 stars
    Good stuff I like the Service and people Would definitely
    Recommend to someone else
  • Review fromRj M.

    Date: 03/19/2025

    5 stars
    Great people good service helps you work through difficult time.
  • Review fromSidney H.

    Date: 03/19/2025

    5 stars
    National interlock was a very helpful and friendly place the staff is amazing there would recommend anyone that needs a machine to go there and get it done
  • Review fromChristy m.

    Date: 03/19/2025

    5 stars
    Always friendly and respectful. Very supportive with what is to be expected.
  • Review fromMichael S.

    Date: 03/19/2025

    5 stars
    The people that you have to talk with are knowledgeable and answer all questions. Professional work is done when putting the interlock in and out of vechile
  • Review fromChris K.

    Date: 03/19/2025

    5 stars
    Good timely service from polite professional people..they are easy to work with and are patient answering questions..

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