NAICS Code 336991 — Motorcycle, Bicycle, and Parts Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 33699 (Other Transportation Equipment Manufacturing).

Code	336991
Title	Motorcycle, Bicycle, and Parts Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,050 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in manufacturing motorcycles, bicycles, tricycles and similar equipment, and parts.

Is a business under 336991 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 336991 qualifies as a small business if it does not exceed 1,050 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 336991 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	336	Transportation Equipment Manufacturing
Industry Group	3369	Other Transportation Equipment Manufacturing
NAICS Industry	33699	Other Transportation Equipment Manufacturing
National Industry	336991	Motorcycle, Bicycle, and Parts Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
3751	Motorcycles, Bicycles, and Parts
3944	Games, Toys, and Children's Vehicles, Except Dolls and Bicycles

Related National Industry codes

• 336992 — Military Armored Vehicle, Tank, and Tank Component Manufacturing
• 336999 — All Other Transportation Equipment Manufacturing

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.