The DMV's Heavy-Duty Repair Facility for Fleets, Buses, Government Vehicles & Premium Motorhomes
Collision repair, diesel mechanical service, paint, fabrication, fleet maintenance, and inspection support — all under one 40,000 sq. ft. facility in Beltsville, Maryland.
How Can We Help? Choose Your Service Path
Fleet Accounts
Open a dedicated commercial fleet account with ATEL and get priority scheduling, consolidated billing, VIN-level service history, PM scheduling and documented workflows.
Explore ServiceGovernment Fleets
Supporting municipal, county, state, federal, transit, emergency response, utility, and public works fleets with heavy-duty repair services, documentation support, and procurement-friendly processes designed for government operations.
Explore ServiceCollision & Insurance Repairs
Frame straightening, panel replacement, structural repair, and full refinish in 45-ft and 65-ft commercial booths. Insurance & Fleet Coordination.
Explore ServiceRV & Motorhome Service
Class A, B, C and Super C motorhomes, diesel pusher coaches and high-end RVs up to 45 feet. ATEL handles collision repair, body work, full refinish, custom paint, decal restoration and chassis service in a facility built for coach-length vehicles.
Explore ServiceBus & Transit Repair
Class A motor coaches, Class B transit and shuttle buses, Class C school buses and small cutaway transit vehicles.
Explore ServiceServing Commercial Fleets Throughout Maryland, DC & Northern Virginia
ATEL provides complete heavy-duty vehicle repair, fleet maintenance, collision repair, diesel mechanical service, RV repair (Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches), and bus maintenance from one centralized commercial repair facility. Our technicians specialize in heavy-duty systems including frame repair, paint and refinishing, drivetrain repair, diesel diagnostics, preventive maintenance, and fleet service programs.
That full-service capability allows commercial fleet operators, government agencies, and diesel motorhome owners to consolidate repairs with one trusted diesel repair facility instead of managing multiple vendors.
About ATEL-
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Collision & Body
Frame straightening, panel replacement, structural repair, and full refinish in 45-ft and 65-ft commercial booths.
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Diesel Mechanical
Engine, drivetrain, DPF and emissions, suspension and alignment for medium and heavy-duty diesel platforms.
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Fleet Services
Dedicated accounts for commercial and government fleets. PM scheduling, priority bays, consolidated billing.
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RV & Motorhome
Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches. Collision, paint, roof and chassis. Premium service for premium equipment.
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Bus Repair
Class A motor coaches, Class B shuttles, Class C cutaway and specialty. Mechanical, body and paint.
45-foot and 65-foot industrial spray booths.
Most regional shops top out around 30 feet. ATEL paints full coaches, fire apparatus, fuel trucks, transit buses and 45-foot Class A motorhomes indoors, climate-controlled, in a single pass. It is the reason fleets bring their fully wrapped tractors, government white-vehicle programs, and high-end motorhome owners drive past three other shops to get to us.
Paint Services DetailCollision Repair, Fabrication, Paint & Diesel Repair Mechanic Services
ATEL provides complete heavy-duty truck repair and commercial vehicle services for fleets, municipalities, contractors, owner-operators, and RV customers throughout Maryland and the Washington DC metro area.
Our technicians specialize in diesel diagnostics, heavy-duty collision repair, fabrication, refinishing, suspension repair, DOT inspections, RV service, and fleet maintenance for commercial vehicles and specialty equipment.
From preventive maintenance to major structural repairs, our facility is equipped to keep commercial vehicles operating safely, efficiently, and professionally.
Collision Repair
Heavy-duty collision intake for cabs, sleepers, box trucks, coach bodies. Full structural and cosmetic restoration.
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Frame Repair
Frame straightening and measured structural repair for trucks, buses and motorhomes with back to factory spec.
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Paint Services
45-ft and 65-ft industrial spray booths. Full-coach refinish, fleet rebrands, custom liveries and corrosion protection.
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Roof Repair
Storm, hail, branch-strike and aging-seal repair for trucks, motorhomes and bus roofs. Sealed, primed, painted.
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Fabrication
Custom metal fabrication, mounting and structural builds. One-off parts, brackets and modifications.
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Diesel Mechanic Repair
Diagnostics, repair and rebuild on medium and heavy-duty diesel platforms.
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DPF & Emissions
DPF cleaning, regen issue diagnosis, DEF system service, EGR and SCR repair. Keep your fleet legal and on the road.
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Suspension & Alignment
Air ride, leaf spring and ride-height correction. Heavy-duty alignment that protects tires and trailer interfaces.
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Engine & Drivetrain
In-frame rebuilds, transmission service, differentials, driveshafts and clutches. Major repair done in-house.
Explore ServiceDesigned for fleet managers.
ATEL is built to support commercial fleets that cannot afford unnecessary downtime. From scheduled fleet maintenance and heavy-duty diesel repairs to collision repair, refinishing, and inspections, our Beltsville, Maryland facility helps fleet managers keep trucks, buses, service vehicles, and specialty equipment operating safely and efficiently throughout the Washington DC, Baltimore, and Northern Virginia region.
Fleet Maintenance Coordination
Our team helps streamline preventive maintenance, inspections, repair scheduling, and multi-unit service coordination for commercial fleets of all sizes. Whether you operate utility trucks, transit buses, construction vehicles, or delivery fleets, ATEL provides organized service workflows designed to minimize disruptions and keep equipment road-ready.
Heavy-Duty Fleet Repair Capabilities
We service Class 7–8 trucks, diesel fleet vehicles, commercial buses, RVs (Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches), emergency vehicles, and specialty equipment with in-house capabilities including: Diesel diagnostics and repair, Collision and body repair, Frame straightening, Suspension and alignment, Paint and refinishing, DOT inspections, Fabrication and welding
Fleet-Focused Communication
Fleet managers need visibility, accountability, and consistent turnaround times. ATEL provides documented repair workflows, coordinated scheduling, VIN-level service tracking, and clear communication throughout every stage of the repair and maintenance process.
Tell us about your fleet. We'll respond within one business day.
Open a dedicated account and your trucks move to the front of the queue. ATEL handles consolidated billing, scheduled PM, DOT-inspection support, and emergency body work. A single point of contact for your operations team. Mention your vehicle count, primary platforms, and the services you currently outsource. We'll come back with a proposal tailored to your operation.
For Class A, B, C, Super C motorhomes, coaches and diesel pushers
ATEL services the equipment owners take seriously and treats it accordingly. We don't accept light campers, pop-ups or entry-level trailers. What we do exceptionally well is bring full-size motor coaches (Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches) back to delivered-condition, with the climate-controlled paint capability and chassis depth most RV shops simply cannot offer.
- Full-coach refinish and corrosion protection in our 65-ft booth.
- Chassis, drivetrain and brake service by diesel technicians, not RV generalists.
- Owner-direct intake, insurance coordination and white-glove delivery.
- Clean, Organized Repair Facility.
- Protected interiors.
- Professional Service Environment.
- Large enclosed repair bays.
- High-end customer experience.
Heavy-Duty Truck, Bus & RV Repair Services by Vehicle Type
Explore dedicated service pages for heavy-duty trucks, medium-duty trucks, government fleets, RVs, motorhomes, and buses — including collision repair, diesel repair, fleet maintenance, fabrication, refinishing, and inspection services throughout Maryland, Washington DC, and Northern Virginia.
Quick answers to frequent questions.
Don’t see your question here? Give us a call or contact us.
What types of vehicles does ATEL service?
We service heavy-duty trucks, buses, fleet vehicles, emergency vehicles, specialty commercial equipment, and Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches.
Do you provide fleet maintenance services?
Yes. We provide scheduled fleet maintenance, diagnostics, repairs, inspections, and collision services for commercial operators and municipalities.
Do you offer heavy-duty collision repair?
Yes. Our facility handles structural repairs, frame straightening, paint work, refinishing, and commercial vehicle body repairs.
Where is ATEL located?
Our facility is located in Beltsville, Maryland, serving customers throughout the Washington DC and Baltimore region.
Can you repair RVs and motorhomes?
Absolutely. We provide mechanical repair, collision repair, refinishing, and restoration services for Class A, B, C, Super C motorhomes, diesel pushers, and full-size coaches.
Heavy-Duty Support Starts Here.
From scheduled fleet maintenance to collision recovery and emergency repairs, ATEL is built to keep commercial vehicles operational with centralized heavy-duty service capabilities under one roof.