Contact Us

Let’s get in touch…

    Main Office

    424 Commerce Ln #3
    Berlin Township, NJ 08091

    Careers at Interlock Device of NJ


    Do you like to be hands on? We provide exclusive training for our employees. Start a rewarding career with us!

    Learn More


    Perform unit calibrations. Help customers directly in our shop or on the road in emergency situations.

    Learn More

    Call Center

    Our customers are the reason we’re in business. If you have excellent communication skills, we want you!

    Learn More