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Ignition Interlock Technology That Saves Time

Ohio Interlock is the leading court service provider with 24-hour GPS monitoring, random alcohol testing software, continuous alcohol monitoring equipment, and vehicle ignition interlock systems.

Technology that Sets The Standards

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Most affordable Ignition Interlock device on the market

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One-Piece Tracking
Device 4 (TD4)

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One-Piece GPS Offender Tracking Device 4 (TD4)

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S.M.A.R.T. Mobile
monitoring device

Dedicated Support with a
Staffed Monitoring Department

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Need to find an installer for 
your Ignition Interlock?

Great! When you partner with us, you join a team of industry experts dedicated to your success. Our contractors receive training and support from day one. If you are interested in learning how to become a certified Ignition Interlock installer in your area, take the first step by filling out the contact form. Welcome to the team!

Want to partner with us and become a Service Center?

Great! When you partner with us, you join a team of industry experts dedicated to your success. Our contractors receive training and support from day one. If you are interested in learning how to become a certified Ignition Interlock installer in your area, take the first step by filling out the contact form. Welcome to the team!