Custom Vehicle Upfitting and Assembly Solutions
We deliver custom vehicle upfits and high-quality assemblies built to your precise specifications. Every unit. Every time.
Interstate Assembly Systems is the home of:
Assembly Solutions
Learn MoreAssembly Solutions
Full, Sub & Final Stage AssemblyLine Entry Sequencing
In-Plant Production Support
Engineering & Product Development
FEA Design TestingLearn More
Vehicle Upfitting
Learn MoreVehicle Upfitting
Spec BuildsCustom Builds
RefurbishmentLearn More
Certified, Skilled, Committed
From assembly to vehicle upfitting, our staff and facilities are certified to meet all customer, statutory and regulatory requirements.
Our Quality Management System is certified to the ISO 9001:2015 Standard. We are also a SAM-registered entity (DUNS 928952332, CAGE 3FAJ1), allowing us to conduct business with government agencies.
We continue to develop and improve our process while strictly conforming to customer specifications and all applicable laws and industry regulations.
Extensive Options,
Custom Builds
Wallboard, material handling, mechanics, fuel and lube, and railroad, – you name the industry – we have your truck!
