Guardian Interlock

Smart Start is the #1 Ignition Interlock Device provider in Castle Rock with same-day installation available for your vehicle. We’re a convenient and affordable Colorado IID supplier located in Northwest Castle Rock at 216 Malibu St with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Castle Rock. Call our Northwest Castle Rock location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.

LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are CO certified and our expert technicians at 18584 Longs Way can handle all your installation and calibration needs. LifeSafer has over 30 years of ignition interlock experience and has helped over 1.5 million people get back on the road again.

Thompson Safety is a full-service safety company serving businesses in Denver and the surrounding areas. We provide first aid supplies, personal protection equipment (PPE), defibrillators (AED), eyewash stations, fire extinguishers, and onsite training services, helping safety and EHS professionals manage their safety programs more efficiently. By specializing in service and technology, Thompson Safety can deliver products to every industry assisting businesses to stay compliant, save time, and keep their employees safe.