Who We Are
National Fleet Services is the preferred labor source for post-production vehicle customization services for North American fleets. We modify Ford, GM, RAM and other vehicle makes.
From frame piercing and chassis extensions to installing body and equipment, National Fleet Services is known for flawlessly executing complex and large scale vehicle modification services.
We relentlessly pursue the right solutions for our clients through exceptional modification engineering, quality and service. From conception to delivery - we lead the industry in quality production while exceeding customer delivery expectations.
Our Leadership Team
When you partner with us, you’re partnering with the best solutions experts, engineers and technicians in the industry. Every team within National Fleet Services is led by OEM veterans who have decades of experience. Every job is reviewed for safety, quality, and durability.
Founded in 1996 by Timothy P. LaRiviere, National Fleet Services began upfitting in Avon Lake and has since expanded to Detroit, Kansas City and St. Louis.
Sales & Customer Support
Engineering & Operations
We have four locations, each in close proximity to the manufacturing location for efficient ship-through upfitting services.
Our Detroit plant supports Ford F-59 stripped chassis and Ford Ranger vehicle customizations. Starting in 2021, NFS now supports RAM Pickups and Chassis Cabs in this location, too.
10100 Grinnell Drive
Detroit, MI 48213
Call: (313) 923-1799
Our safety and quality are
unsurpassed… Here's proof.
ISO 9001:2015 CERTIFIED
Our locations in Detroit, Kansas City, and Ohio are all Ford Qualified Vehicle Upfitters (QVM) certified and have ship-through capabilities for multiple Ford vehicles.
GM Ship-Through Facility
Our St. Louis location is in close proximity to Wentzville Assembly (VBK) and has ship-through capabilities for GMC Savanna, Chevy Express, and Chevy Colorado.
Stellantis Ship-Through Facility
Our Detroit location has authorized Stellantis ship-through capabilities for RAM pickups, RAM chassis cabs, ProMaster City, Jeep Wrangler, and Jeep Cherokee.
Learn more about our quality engineering, upfitting
and modifications services
“National Fleet Services has been our exclusive chassis upfitter for more than two decades. Thanks to creative processes, modern equipment and a great staff, their work is top-notch and delivered as promised. Always on time, always excellent quality. Look no further for your upfitting needs.”
Douglas R. Doan, Vice President