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Business Profile

Interlock Devices

National Interlock
BBB accredited business seal
BBB Accredited BusinessA+Rated by BBB

Reviews

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Review Details

  • Mary Anne Robinson

    Date: 05/06/2025

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

  • Travis S.

    Date: 03/27/2025

    Very professional and helpful for all interlock needs. I highly recommend to anybody!

  • Mike R.

    Date: 03/27/2025

    People are friendly and know the business very well. Thank you.

  • Sam C.

    Date: 03/27/2025

    Good stuff I like the Service and people Would definitely Recommend to someone else

  • Rj M.

    Date: 03/19/2025

    Great people good service helps you work through difficult time.

  • Sidney H.

    Date: 03/19/2025

    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

  • Christy m.

    Date: 03/19/2025

    Always friendly and respectful. Very supportive with what is to be expected.

  • Michael S.

    Date: 03/19/2025

    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

  • Chris K.

    Date: 03/19/2025

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

  • Christopher W.

    Date: 03/11/2025

    Finding oneself needing a company such as National Interlock. Is a stressful time. Yet National Interlock made this part seamlessly smooth. I go to Jim and Preston off Middlebrook here in Knoxville. Great ! Shop !

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