Ignition interlock installers in O Fallon, MO

6 installer locations in O Fallon, 1 verified against both the provider and Google Maps. Brands installed here: Intoxalock, Smart Start, LifeSafer, Low Cost Interlock, RoadGuard Interlock. Listings are sorted by verification level, then by Google rating.

Big Boys Auto Toys LLC

802 Midpoint Dr, O Fallon, MO 63366

Confirmed4.9 ★ (61)
IntoxalockSmart StartLifeSaferLow Cost InterlockRoadGuard Interlock
See hoursClosed Saturday
All hours
Monday
8:30 AM to 5 PM
Tuesday
8:30 AM to 5 PM
Wednesday
8:30 AM to 5 PM
Thursday
8:30 AM to 5 PM
Friday
8:30 AM to 5 PM
Saturday
Closed
Sunday
Closed

Other cities in Missouri