(608) 583-2200 420 E. Forest St. Lone Rock, WI 53556

About Us

GJ’s Service LLC  is dedicated to ensuring your fleet stays on the road and in excellent condition. Our team has been serving the Lone Rock area since 1990. We deliver professional fleet and truck repair services and are equipped to handle major and minor repairs. We also offer customizing products for heavy trucks along with performance enhancements, diesel pickups, led lights  and exhaust products . Our shop can fabricate special items.

Because GJ’s Service LLC is a certified NAPA Truck Service Center, we only offer the best parts and service for your truck. Your fleet is a major investment, and it is our goal to make sure your vehicle is back on the road as quickly as possible. Our team treats every truck as if it were our own, and we will work with you and your fleet to create a preventative maintenance program that meets your needs and prevents costly breakdowns.

Advantages of NAPA Truck Service Center


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Building Customers for Life