Your Truck is Our Top Priority

Equip your fleet with the finest truck parts provided by Truck Supply Companies. With a proud legacy spanning over 50 years, we deliver excellence in truck parts and services across South Carolina, Missouri, and beyond.

Our Commitment

Dedicated Service Where It Counts. We’re committed to minimizing downtime with our extensive network of service centers and parts warehouses. Wherever the road takes you, our 24-hour Parts Call-out Service and expert staff are ready to assist.

Experience the Truck Supply Companies Difference

Discover the quality and depth of our parts and services and meet the dedicated team ready to support you at our locations in Columbia, Sumter, and St. Louis.

24 hr Parts Call-out Service

Quality Truck Parts

A Comprehensive Parts Inventory Ready to Serve You

Our parts selection is as wide as our service area, encompassing critical components for engines, transmissions, electrical systems, and more, all available at our South Carolina and Missouri locations.

Engine and Transmission

Essential parts for peak performance, including diesel engine rebuilds, alternator testing, oil changes, and comprehensive transmission services.

Electrical and Lighting

Solutions to keep your travels bright and safe, offering everything from battery testing to advanced lighting systems.

Suspension and Steering

Parts for stability and precision handling, including suspension components, steering systems, and alignment services for smoother rides.


Ensure your safety with our comprehensive brake services, from detailed inspections to advanced repairs and replacements.

Custom Hydraulics and Cables

Tailor-made to meet your specific needs, our custom hydraulics and cables are crafted with precision for optimal performance.

Drivetrain Components

Drive axle services, driveline and driveshaft solutions, including specialized U-bolt bending for comprehensive drivetrain maintenance.

Exhaust Systems

High-quality exhaust components to enhance vehicle efficiency and performance.

Inspection and Diagnostic Services

Detailed check engine light diagnostics and DOT inspections to ensure your vehicle meets all safety and performance standards.

Body, Cabin, and Aesthetics

Enhance your vehicle’s appearance and comfort with our range of body, cabin, and aesthetic components.

HVAC Systems

Keep your cabin comfortable with our advanced heating, ventilation, and cooling solutions.

Miscellaneous Services and Parts

From leaf springs to polyurethane and rubber components, we offer a variety of miscellaneous parts and services for your specific needs.


Explore our full range of tire services, including premium tire sales, professional fitting, rotation, and alignment for optimal performance and safety.

Truck Supply Services

Comprehensive Fleet Management Solutions

We’re equipped to provide specialized services that keep your fleet running. Our service centers in Columbia, Sumter, and St. Louis offer everything from routine maintenance to complex repairs and custom work.