Motor Vehicle Body and Trailer Manufacturing

North American Industry Classification System (NAICS) 33621

NAICS 33621 industry art

North American Industry Classification System (NAICS) code 33621 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.

Official definition

This industry comprises establishments primarily engaged in (1) manufacturing motor vehicle bodies and cabs or (2) manufacturing truck, automobile and utility trailers, truck trailer chassis, detachable trailer bodies, and detachable trailer chassis. The products made may be sold separately or may be assembled on purchased chassis and sold as complete vehicles. Motor homes are units where the motor and the living quarters are contained in the same integrated unit, while travel trailers are designed to be towed by a motor unit, such as an automobile or a light truck.

Included activity examples

  • Bodies and cabs, truck, manufacturing
  • Camper units, slide-in, for pick-up trucks, manufacturing
  • Motor homes, self-contained, assembling on purchased chassis
  • Pick-up canopies, caps, or covers manufacturing
  • Semi-trailers manufacturing
  • Travel trailers, recreational, manufacturing
Official title
Motor Vehicle Body and Trailer Manufacturing
Code level
5
Open opportunities
0 open · 0 active

Excluded or separately classified activities

Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.

  • Customizing automotive vehicle and trailer interiors (i.e., van conversions) on an individual basis--are classified in Industry 81112, Automotive Body, Paint, Interior, and Glass Repair;

  • Making manufactured homes (i.e., mobile homes)--are classified in Industry 32199, All Other Wood Product Manufacturing;

  • Manufacturing complete automobiles and light duty motor vehicles (i.e., body and chassis or unibody) or manufacturing automobile and light duty motor vehicle chassis only--are classified in Industry 33611, Automobile and Light Duty Motor Vehicle Manufacturing; and

  • Manufacturing heavy duty trucks, buses, motor homes, and other special purpose heavy duty motor vehicles for highway use (i.e., body and chassis) or manufacturing heavy duty truck chassis only--are classified in Industry 33612, Heavy Duty Truck Manufacturing.

Source and edition

2022 NAICS Manual definition and reference material from the U.S. Census Bureau.

Codes within this category

Follow the official hierarchy toward the most specific industry that accurately describes the business activity.

Nearby NAICS codes

Not legal advice. NAICS titles come from the U.S. Census Bureau; opportunity availability comes from SAM.gov.