333612

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing

Manufacturing › Machinery Manufacturing › Engine, Turbine, and Power Transmission Equipment Manufacturing

SBA Size Standard

750 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

333

Subsector

Machinery Manufacturing

3336

Industry Group

Engine, Turbine, and Power Transmission Equipment Manufacturing

333612

National Industry (This Code)

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in manufacturing gears, speed changers, and industrial high-speed drives (except hydrostatic).

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

750 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 333612

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Manufacturing motor vehicle power transmission equipment--are classified in Industry 336350, Motor Vehicle Transmission and Power Train Parts Manufacturing;
Manufacturing aircraft power transmission equipment--are classified in U.S. Industry 336413, Other Aircraft Parts and Auxiliary Equipment Manufacturing; and
Manufacturing industrial hydrostatic transmissions--are classified in U.S. Industry 333996, Fluid Power Pump and Motor Manufacturing.

How to Use NAICS 333612 in SAM.gov

NAICS code 333612Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Engine, Turbine, and Power Transmission Equipment Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 750 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 333612.

Log in Entity Registration Goods & Services Add NAICS Code Enter 333612 Save

Frequently Asked Questions

What is NAICS code 333612?

NAICS code 333612 is 'Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing gears, speed changers, and industrial high-speed drives (except hydrostatic). Cross-References. Establishments primarily

What is the SBA small business size standard for NAICS code 333612?

The SBA defines a small business under NAICS code 333612 (Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing) as one with 750 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 333612 in SAM.gov?

To register NAICS code 333612 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 333612 (Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Engine, Turbine, and Power Transmission Equipment Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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