33621 - Motor Vehicle Body and Trailer Manufacturing

When it comes to understanding the manufacturing landscape of the motor vehicle industry in the United States, NAICS code 33621 holds a pivotal role. This code is essential for businesses, researchers, and government contractors who want to classify, analyze, or engage with industries involved in producing motor vehicle bodies and trailers. If you're looking to dive into the specifics of this manufacturing niche, you’ve come to the right place.

What is NAICS Code 33621?

NAICS Code 33621, titled Motor Vehicle Body and Trailer Manufacturing, covers establishments primarily focused on producing motor vehicle bodies and trailers — excluding bus bodies. This includes a vast array of products such as truck bodies, truck trailers, and utility trailers designed for various commercial and personal uses.

Key Elements of NAICS 33621:

• Industry focus: Manufacturing motor vehicle bodies (except bus bodies) and trailers
• Excludes: Bus body manufacturing (covered under a different NAICS code)
• Includes: Truck bodies, truck trailers, utility trailers, and other types of trailers

Sector Overview: Manufacturing

NAICS 33621 falls under the broader Manufacturing sector, which encompasses industries engaged in the mechanical, physical, or chemical transformation of materials or substances into new products. Companies under this code typically engage in:

• Fabricating, assembling, and finishing motor vehicle bodies
• Constructing various types of trailers for commercial, industrial, and recreational use
• Customizing truck and trailer bodies to specific client requirements

Typical Business Activities Under NAICS Code 33621

Businesses within this NAICS code are engaged in a broad spectrum of manufacturing activities, including but not limited to:

• Truck Body Manufacturing: Producing bodies for pickup trucks, delivery vehicles, and specialized commercial trucks
• Truck Trailer Manufacturing: Designing and building semi-trailers, flatbeds, and refrigerated trailers
• Utility Trailer Manufacturing: Manufacturing small-to-medium trailers for construction, landscaping, and personal transport uses

SBA Size Standards for NAICS 33621

To qualify as a small business under the U.S. Small Business Administration (SBA) for this industry, companies must meet certain size standards:

NAICS Code	Industry Title	Size Standard (Employee Count)
33621	Motor Vehicle Body and Trailer Manufacturing	1,000 employees

Companies employing fewer than 1,000 workers typically qualify as small businesses under SBA guidelines, which can be critical when bidding for government contracts or seeking business development programs.

Examples of Businesses Under NAICS Code 33621

Here are typical examples of business types you might find within this NAICS classification:

• Custom Truck Body Fabricators: Specialized shops that design and build custom truck bodies tailored to industries such as construction or emergency services.
• Commercial Trailer Manufacturers: Companies that produce various trailer types including dry vans, refrigerated trailers, and flatbeds.
• Utility Trailer Makers: Firms that manufacture smaller, versatile trailers for agriculture, landscaping, or recreational purposes.

NAICS Code 33621 - Code Details Table

Category	Details
NAICS Code	33621
Title	Motor Vehicle Body and Trailer Manufacturing
Sector	Manufacturing
Industry Description	Manufacturing motor vehicle bodies (except bus bodies) and trailers, including truck bodies and trailers for various uses.
Typical Business Activities	Truck body manufacturing, truck trailer manufacturing, utility trailer manufacturing
SBA Size Standard	1,000 employees

Frequently Asked Questions (FAQ)

What products are specifically included in NAICS 33621?

This NAICS classification covers the manufacturing of truck bodies, truck trailers, utility trailers, and various other types of trailers used across industries, excluding bus bodies.

Does NAICS 33621 include bus body manufacturing?

No. Bus body manufacturing is classified separately and does not fall under NAICS 33621.

Can a company manufacturing both trucks and trailers be classified under NAICS 33621?

If the company primarily manufactures motor vehicle bodies (truck bodies) and trailers, it will fall under 33621. Complete truck manufacturing generally falls under a different NAICS code.

Why is the SBA size standard important for businesses under NAICS 33621?

The SBA size standard determines eligibility for programs aimed at supporting small businesses, including government contracting opportunities and financial assistance.

What industries typically use products from NAICS 33621 manufacturers?

Industries such as logistics and transportation, construction, agriculture, emergency services, and recreational vehicle markets rely heavily on motor vehicle bodies and trailers produced under this NAICS code.

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Understanding NAICS code 33621 is crucial for businesses operating in motor vehicle body and trailer manufacturing, whether for market analysis, government contracting, or strategic planning. With a clear grasp of its scope, sector alignment, and eligibility criteria, companies can better position themselves within this strong manufacturing niche.