335312

Motor and Generator Manufacturing

Manufacturing › Electrical Equipment, Appliance, and Component Manufacturing › Electrical Equipment Manufacturing

SBA Size Standard

1,250 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

335

Subsector

Electrical Equipment, Appliance, and Component Manufacturing

3353

Industry Group

Electrical Equipment Manufacturing

335312

National Industry (This Code)

Motor and Generator 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 electric motors (except internal combustion engine starting motors), power generators (except battery charging alternators for internal combustion engines), and motor generator sets (except turbine generator set units). This industry includes establishments rewinding armatures on a factory basis.

✓ Small Business Eligibility at a Glance

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

Size Standard

1,250 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 335312

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 electric outboard motors--are classified in U.S. Industry 333618, Other Engine Equipment Manufacturing;
Manufacturing gas, steam, or hydraulic turbine generator set units--are classified in U.S. Industry 333611, Turbine and Turbine Generator Set Units Manufacturing;
Manufacturing starting motors and battery charging alternators for internal combustion engines--are classified in Industry 336320, Motor Vehicle Electrical and Electronic Equipment Manufacturing;
Rewinding armatures, not on a factory basis--are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance; and
Manufacturing welding and soldering equipment (except handheld soldering irons)--are classified in U.S. Industry 333992, Welding and Soldering Equipment Manufacturing.

How to Use NAICS 335312 in SAM.gov

NAICS code 335312Motor and Generator 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 Electrical 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 1,250 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 335312.

Log in Entity Registration Goods & Services Add NAICS Code Enter 335312 Save

Frequently Asked Questions

What is NAICS code 335312?

NAICS code 335312 is 'Motor and Generator Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing electric motors (except internal combustion engine starting motors), power generators (except battery charging alternator

What is the SBA small business size standard for NAICS code 335312?

The SBA defines a small business under NAICS code 335312 (Motor and Generator Manufacturing) as one with 1,250 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 335312 in SAM.gov?

To register NAICS code 335312 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 335312 (Motor and Generator Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Electrical Equipment Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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