About Us – American Truck & Trailer Supply | Manassas VA

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About American Truck & Trailer Supply – Manassas, VA

Your Local Experts in Trailers, Towing & Commercial Vehicle Upfitting Since 1993

At American Truck & Trailer Supply, we’ve been proudly serving the Manassas, Virginia community and surrounding areas since 1993. Originally founded by the Myhre brothers, our business was built on firsthand knowledge of trailers, trucks, and towing—and today, we continue to provide unmatched expertise and service to personal and commercial customers throughout Northern Virginia.

Whether you need to buy a new trailer, set up a safe and complete towing system, or upfit a work truck or fleet vehicle, we’re here to help—backed by decades of hands-on experience.


What We Do

We are a one-stop destination for everything trailer and towing-related. Our team specializes in:

Trailer Sales

We carry a wide range of new trailers for residential and commercial use, including:

  • Dump trailers

  • Tilt trailers

  • Equipment trailers

  • Utility trailers

  • Enclosed/cargo trailers

We partner with leading manufacturers to bring you durable, high-quality trailers at competitive prices—ready for work or play.


Trailer Service & Repair

We offer full-service trailer maintenance and repair, including:

  • Brake and bearing service

  • Suspension, axle, and lighting repair

  • Roof and panel repair

  • VA State Safety Inspections

  • Custom fabrication and modification

Whether you need an annual service, axle replacement, or frame reinforcement, our technicians ensure your trailer stays road-ready and reliable.


Towing Setup & Hitch Installation

From basic bumper pulls to complex flat-tow setups, we install:

  • Receiver hitches and gooseneck hitches

  • 5th wheel hitches

  • Trailer wiring (4-pin, 7-way)

  • Electric brake controllers

  • Flat towing systems for RVs and towed vehicles

We make sure your vehicle is safely and legally configured to tow with confidence.


Truck Accessories & Upfitting

Looking to customize or outfit your truck for work or recreation? We offer:

  • Step bars, running boards, toolboxes

  • Bed covers, ladder racks, and cargo systems

  • Lighting and electrical accessories

  • Snow plows and spreaders

  • Power inverters, winch wiring, and more

Commercial Vehicle Upfitting

We provide custom upfitting for service trucks, vans, and fleet vehicles, including:

  • Shelving and storage solutions

  • Van ladder racks and partitions

  • Flooring and wall protection

  • Security upgrades (puck locks, Thunderbolt systems)

  • Custom fabrication for specialty applications

From contractors to municipalities, we help businesses get more out of their commercial vehicles.


Why Choose Us?

 Locally Owned & Operated Since 1993
 Trailer Owners Serving Trailer Owners
 Experienced Technicians, Not Salesmen
 Huge In-Stock Selection of Parts & Accessories
 Fast Turnaround & Competitive Pricing
 Custom Solutions for Work or Play

Our mission is to provide every customer—whether you're hauling tools, towing equipment, or heading out with the family camper—with honest advice, high-quality products, and reliable service.

Visit Us in Manassas, VA

Located in the heart of Prince William County, we proudly serve:

  • Manassas

  • Gainesville

  • Bristow

  • Centreville

  • Warrenton

  • Haymarket

  • Fairfax County

  • Northern Virginia and beyond


Get in Touch

Ready to upgrade your trailer, truck, or towing setup? Stop by or contact us today—we’re here to help.

 Location: 11949 Livingston Road, Manassas, Virginia
 Call: 703 257 1710

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