9 vetted semi-truck repair shops across Maryland. Diesel, DEF/DPF, tires, trailer, and mobile roadside service — built for drivers, not tourists.
Roadmark lists 9 vetted semi-truck repair shops in Maryland. These aren't car garages — they're commercial shops that work on Class 8 trucks and trailers.
Among them, 6 do diesel engine work, 4 repair trailers, 1 service tires, and 3 offer mobile or roadside service.
9 of these shops have a direct phone number listed, so you can call ahead before you roll in. Broke down and can't drive? Open Roadmark to find mobile mechanics near Maryland that come to you.
📍 1415 Bush St, Baltimore, MD, 21230
Middleton & Meads Co, Inc is a semi-truck repair shop in Baltimore offering general repair, diesel engine, brakes, welding, frame repair, electrical, transmission. It does diesel engine work, and does brake work.
📍 80 Molitor Rd, Elkton, MD, 21921
Patriot Diesel LLC is a semi-truck repair shop in Elkton offering general repair, diesel engine, brakes, transmission, electrical. It does diesel engine work, and does brake work.
📍 900 E Patrick St Suite 5B, Frederick, MD, 21701
Professional Auto & Truck Service LLC is a semi-truck repair shop in Frederick offering general repair, diesel engine, transmission, brakes, ac, electrical, welding, dot inspection, fleet service. It does diesel engine work, and does brake work.
📍 113 Kestrel Ct, Gaithersburg, MD, 20879
A&J Truck & Auto Service is a semi-truck repair shop in Gaithersburg offering general repair, diesel engine, brakes, electrical, oil change, transmission. It does diesel engine work, and does brake work.
📍 35 Hump Rd, Hagerstown, MD, 21740
Truck and Trailer Repair Center, Inc. is a semi-truck repair shop in Hagerstown offering general repair, trailer repair, tires, alignment, mobile / roadside, dot inspection. It sells and services tires, and repairs trailers.
📍 7704 Race Rd, Jessup, MD, 20794
Fleet Maintenance Brothers is a semi-truck repair shop in Jessup offering general repair, trailer repair, mobile / roadside, fleet service. It repairs trailers, and offers mobile and roadside service.
📍 9384 Davis Ave, Laurel, MD, 20723
L&G Truck Repair Inc. is a semi-truck repair shop in Laurel offering general repair, diesel engine, brakes, transmission, electrical, trailer repair. It does diesel engine work, and repairs trailers.
📍 288 Stevens Rd, Rising Sun, MD, 21911
Stateline Truck and Trailer Repair is a semi-truck repair shop in Rising Sun offering general repair, trailer repair, hydraulics, mobile / roadside, welding. It repairs trailers, and offers mobile and roadside service.
📍 603 Wedekind Dr Bldg C, Woodbine, MD, 21797
KIT'S Auto and Truck Repair is a semi-truck repair shop in Woodbine offering general repair, diesel engine, brakes, transmission, electrical, oil change, fleet service. It does diesel engine work, and does brake work.