Need an ignition interlock device near Shrewsbury? Intoxalock is available at MiCorp LLC - Marlborough, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.MiCorp LLC is a leading mobile installer in MA. They install vehicle accessories such as Bluetooth, backup cameras, moon roofs and video systems and as a mobile installer they will also come to your home or office to get the job done. MiCorp LLC is an authorized Intoxalock ignition interlock installer.