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Industry Leader
Fontaine Modification Company (FMC) provides post-production modifications to commercial vehicles that bridge the gap between what OEMs can mass produce and what the customer needs to put the trucks to work. Products range from dual steering conversions, electric drivetrain installations, and extensive cab modifications to corporate graphics applications for large fleets. Locations adjacent to the OEM assembly plants allow vehicles to remain in the factory delivery system for nationwide distribution of “work-ready” trucks.
Since 1985, we have been the commercial truck modification leader.
Our in-depth technical and engineering expertise, coupled with our process quality and service capabilities, enables our customers to move their trucks into operation faster and with greater reliability.
We have ship-thru agreements with the leading Original Equipment Manufacturers (OEMs) to maximize end-user convenience and minimize delivery costs. These ship-thru arrangements expedite final delivery time from factories to destination with minimal financial impact. We provide engineering solutions to meet customers’ unique requirements and specific applications, all while adhering to federal safety standards.
Our reputation and history are built on our innovative solutions, excellence in engineering, superior workmanship, unmatched warranty, and outstanding customer service.
Mission Statement
Our mission is to engineer and deliver innovative solutions to the commercial vehicle industry with exceptional quality, while prioritizing safety and empowering our team members to excel.
Core Values
Safety
- Safety is the top priority for our employees, products, and community.
- Fontaine Modification works to safeguard the well-being of our employees and the drivers of our trucks, enabling them to return home to those who matter most.
Integrity
- We do the right thing for our employees, customers, community, and environment..
Innovation
- We continually push boundaries, explore new technologies, and collaborate with industry leaders to deliver cutting-edge solutions that revolutionize the commercial vehicle industry.
- By solving problems quickly, we consistently exceed customer expectations.
Continuous Improvement
- Continuous improvement is ingrained in our company culture, driving us to challenge mediocrity and strive for excellence daily.
Quality
- We have an unwavering commitment to deliver exceptional quality in every aspect of our work that consistently exceed customer expectations.
- By upholding the highest quality standards, we ensure that our services exceed customer expectations and industry standards.
- It’s not a choice; it is how we think.
Balance
- We strive for work life balance and diversification.
Our Team
Our mission is to provide our customers with quality solutions that fit their specific transportation needs. Our team consists of experienced personnel who truly care about our customers. Learn more about our team members below.
Fontaine Advantage
Quality Engineered into All We Do — Quality at Fontaine Modification is not simply a slogan or a poster on the wall. We’ve designed our entire work process, from user requirements definition to design engineering to pre-delivery testing, to be focused on quality outcomes and consistent repeatability. For multiple truck orders, a first truck is produced and thoroughly documented so that every finished truck, from first to last, is quality engineered throughout.
For new designs and fleet orders, we often invite the customer for a “Pilot Review” of the first vehicle. This extra step assures customer satisfaction with our designs.
Engineering Expertise, Rapid Prototyping, Problem Solving

Experience Counts
With many years of engineering and modification experience, Fontaine Modification is able to build upon our deep understanding of existing OEM platforms to professionally solve even the most complex custom modifications. Working from a “think and plan first” perspective, we use our engineering capabilities to design the best and safest solution for every application.
Our long history and industry insight enable us to provide you with the guidance and proven design expertise to help you select the most effective modification possible and comply with FMVSS regulations.
Relationships Matter
Fontaine has established solid relationships with the leading truck OEMs. Our modification centers are strategically located near OEM manufacturing facilities for ultimate customer convenience and ship-thru arrangements. As a result, we can move your new trucks directly from the OEM assembly line to one of our modification centers and then return them to the OEM equalized freight system and on to their destination with limited shipping costs. Your new trucks will get to work in the shortest amount of time possible.

Small Company Care with Big Company Security
Despite our leadership role in the industry, Fontaine is still very much the small business it was when we started; we’ve just added some big company benefits. A call to any of our modification centers will get you into the GM or engineering production manager.
In addition to this personalized attention, you’ll also receive the industry’s strongest warranty coverage, providing full and comprehensive indemnification (not just an insurance policy), backed by the financial strength and reputation of our company.
A Marmon Holdings / Berkshire Hathaway Company
Contact Us
Corporate & Sales
(800) 366-8246
info@fontainemod.com
Parts Department
(800) 544-8175
parts@fontainemod.com
Warranty & Technical Support
(800) 989-2113
technicalsupport@fontainemod.com
warranty@fontainemod.com
Technical Support
Keeping Your Trucks on the Road
An important part of keeping your trucks on the road is having access to the right parts when you need them. Fontaine Modification can help you with a source of:
- Parts to support our installed products
- Reasonably priced, nearly new parts which were removed to install other components
- Technical support, if you have a question about one of our modifications