Utah's #1 Licensed Interlock Provider! A Plus Interlock Systems is a family owned and operated interlock provider. We pride ourselves in using the highest quality equipment, as-well-as, the highest standards in installing and maintaining our equipment, with the highest level of integrity Northern Utah has to offer. Our Equipment: -The most intuitive ignition interlock on the market! -Visual, audible and voice alerts make it one of the safest to use. -Generous size screen so you can read messages at a glance without complicated computer abbreviations. -We offer the most up-to-date technology and equipment in the industry! -Our equipment uses fuel cell alcohol specific technology eliminating "false positives". -The hand held is about the size of most cell phones and has a convenient unplug feature. Our Experience and Support: -We have proudly served Ogden and the surrounding areas for nearly a decade. -Local support! Local number! -We use the best parts and techniques available at each installation. -Our reputation has earned us a highly successful referral program. Ask us about it and save $ each month! -We specialize in short notice installations and can typically get you in same day. -Our flexible hours make it easy to set your appointments (even after hours if needed). -No hidden fees!