Need an ignition interlock device near Marshfield? Intoxalock is available at Associated Sales & Leasing Inc, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Associated Sales & Leasing Inc. has been a proud part of the central Wisconsin community for nearly 30 years. They began installing the Intoxalock ignition interlock device in 2015. Associated Sales & Leasing Inc. also has a full-service facility where they can handle all needs from oil changes to collision repairs.