General Info

Guardian Interlock Systems of Tulsa installs your Oklahoma Department of Public Safety/court approved interlock device ( breathalyzer.) Our company is customer oriented and is accessiable from 8 a.m. to 8 p.m. with a live, local employee to answer questions or schedule appointments. We will make the process of installation, paperwork and payment as easy as possible. We are local and will be here when you need us. Our prices are competitive with no hidden charges. We do not charge to remove the device when your contract is up. We walk you through the learning process and make sure you understand how the device works before you leave our business. Call us at 918-369-9935 we will answer your questions about the device and give you prices for installation and monitoring. We are easy to find in Tulsa. Located 1/2 block off South Memorial on 111th Street.