"The primary role of the General Motors Upfitter Integration group is to provide technical assistance to the hundreds of upfitters in the field who regularly modify our vehicles for a wide variety of commercial applications. The assistance could be in the form of anything from an electrical schematic, to providing dimensional data, or guidelines for lengthening a frame rail. "
http://www.gmupfitter.com/

"AMÉNAGEURS AGRÉÉS PAR LA GM :

Aménageurs de véhicules commerciaux dotés de solides compétences utilisant une technologie de pointe et respectant les normes de qualité les plus rigoureuses."
http://www.gm.ca/static/french/financing/ally_glossary_fr_CA...


"Aménagement de véhicules commerciaux
Commercial Vehicle Upfitting"
http://www.gaevan.com/fr/amenagements-commerciaux/