About
About Neptunium
Neptunium Truck Bodies and Fabrication LLC is a heavy-duty truck body manufacturer headquartered in Dallas, Texas and Los Angeles, California. We design, fabricate, repair and customize commercial truck bodies for fleets, owner-operators and service companies across the United States.
Our Story
Built To Last, Built In America
Neptunium Truck Bodies and Fabrication LLC was founded with a single mission: to build commercial truck bodies that last. Based in Dallas, Texas and expanding to Los Angeles, California in June 2026, we serve fleets and independent operators who can't afford downtime or shortcuts.
Credentials
Our Credentials
AWS-Certified Welding
Our welders are trained and certified to AWS structural welding standards for steel, aluminum and stainless.
DOT Compliant Builds
Every body we fabricate meets Federal Motor Carrier Safety Administration (FMCSA) and DOT requirements.
In-House Fabrication
We don't outsource. Every cut, weld and finish is done in our own facility under direct quality control.
6-Month Warranty
We stand behind our work with a written 6-month workmanship warranty on every build.
🔴 California
Coming to Los Angeles
We're opening our California facility in June 2026 to serve the Greater Los Angeles market — including Compton, Gardena, Vernon, Lynwood and Long Beach. Same standards. Same team. West Coast ready.
Our Values
Our Values
Integrity
Honest pricing, honest timelines, honest workmanship.
Craftsmanship
Every weld inspected. Every panel measured twice.
Safety
OSHA-compliant facility. Committed to our safety.
Reliability
We deliver when we say we will. No excuses.