Roy's Garage LLC
- Vehicle
- Price
24 mechanics listed · 9 in St. Charles · 3 open weekends · 21 rated 4.5+
Data verified October 19, 2026
Listed for drivers in and around St. Charles, MO, these 24 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.

Of the 24 mechanics we list here, 9 are in St. Charles itself and 15 come from towns including St. Louis (5, 18 mi), Ellisville (3, 15 mi) and Florissant (2, 10 mi). The mechanics on this page are rated from 4.2 to 4.9 across 3,378 reviews; 18 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (86%), quality (86%) and value (69%). The topics that come up most in reviews of the mechanics on this page are "honest", "fair" and "diagnosis". 3 are open on Saturdays and 1 on Sundays. 3 list staff certifications (ASE) and 15 have a BBB rating of A or A+. Domain records put 12 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 4 offer financing; 6 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for 20 of the mechanics on this page; 12 publish a contact page; 8 list a public email and 1 takes bookings online. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
9 of the 24 shops sit inside St. Charles; the rest come from other towns. Truck shops need land, long approaches and highway access, so they end up on the edge of town. Drivers already plan around that.