NAICS 336330

Overview

The North American Industry Classification System (NAICS) is the federal statistical standard used to classify U.S. business establishments by type of economic activity. Developed under the Office of Management and Budget in cooperation with Statistics Canada and Mexico’s INEGI, NAICS replaced SIC in 1997 and is updated every five years; the current vintage is 2022. ¹

NAICS 336330 covers establishments primarily engaged in manufacturing and/or rebuilding motor vehicle steering mechanisms and suspension components (except springs). ²

Agencies use NAICS for statistical reporting and as the basis for applying SBA small-business size standards on federal procurements. ⁵

What this NAICS covers

• Manufacturing or rebuilding motor vehicle steering mechanisms. ²
• Producing shock absorbers for automobiles, trucks, and buses. ²
• Manufacturing rack-and-pinion steering assemblies. ²
• Manufacturing automotive struts. ²
• Producing steering columns for motor vehicles. ²
• Producing steering wheels for motor vehicles. ²
• Rebuilding/overhauling steering and suspension components (except springs). ²

Related NAICS and PSC codes

NAICS descriptors per U.S. Census Bureau. ²
PSC descriptor per the Product and Service Code Manual. ⁴

Size standard (SBA)

For NAICS 336330, the Small Business Administration employee-based size standard is 1,000 employees (effective March 17, 2023). ³

Scope notes and exclusions

• Springs are excluded from NAICS 336330 and classified under NAICS 332613. ²

Frequently asked questions

• What products and activities fall under NAICS 336330?
  Examples include rack-and-pinion steering assemblies, steering columns and wheels, automotive struts, and shock absorbers, as well as rebuilding these components (excluding springs). These are specifically identified in the NAICS 2022 industry definition. ²

• How does NAICS 336330 differ from 336340 and 336350?
  NAICS 336330 covers steering and suspension components (except springs); NAICS 336340 covers brake systems and related parts; NAICS 336350 covers transmission and power train parts. ²

• What is the small business size standard for NAICS 336330?
  SBA sets a 1,000-employee size standard for this manufacturing industry. Offerors must count employees per SBA rules across affiliates to determine small-business eligibility for set-aside procurements using this NAICS code. ³

• Are springs included in NAICS 336330?
  No. Spring manufacturing is excluded and classified in NAICS 332613 (Spring Manufacturing), regardless of end use. ²

• How are NAICS codes used on federal solicitations?
  Contracting officers assign one NAICS code to each solicitation. SBA’s size standards for that code determine small-business eligibility for the procurement, including set-asides and subcontracting plan thresholds. ⁵

Useful resources

• G2X — NAICS 336330 overview
• U.S. Census Bureau — NAICS 336330 industry definition. ²
• SBA — Table of Small Business Size Standards (effective March 17, 2023). ³
• Acquisition.gov — Product and Service Code Manual (PSC). ⁴

References

1. U.S. Census Bureau — About Industry (NAICS overview, updates through 2022). https://www.census.gov/topics/employment/industry-occupation/about/industry.html
2. U.S. Census Bureau — NAICS 2022: 336330 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing. https://www.census.gov/naics/?input=336330&year=2022&details=336330
3. U.S. Small Business Administration — Table of Small Business Size Standards (PDF, effective March 17, 2023). https://www.sba.gov/sites/default/files/2023-06/Table%20of%20Size%20Standards_Effective%20March%2017%2C%202023%20%282%29.pdf
4. Acquisition.gov — Product and Service Code Manual (downloads). https://www.acquisition.gov/psc-manual
5. U.S. Small Business Administration — Small business size standards (how NAICS is applied on contracts). https://www.sba.gov/partners/contracting-officials/small-business-procurement/small-business-size-standards