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NAICS 335312 size standard: Motor and Generator Manufacturing

Sectors 31-33—Manufacturing › Subsector 335—Electrical Equipment, Appliance and Component Manufacturing
1,250 employees
average number of employees

A business whose primary industry is NAICS 335312 (Motor and Generator Manufacturing) is small for SBA and federal contracting purposes if it has no more than 1,250 employees on average, including affiliates.

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NAICS 335312 on AwardWatchdog

Footnotes that apply

Footnote 6. NAICS Subsectors 333, 334, 335 and 336—For rebuilding machinery or equipment on a factory basis, or equivalent, use the NAICS code for a newly manufactured product. Concerns performing major rebuilding or overhaul activities do not necessarily have to meet the criteria for being a “manufacturer” although the activities may be classified under a manufacturing NAICS code. Ordinary repair services or preservation are not considered rebuilding.

Before you rely on this

Not legal or professional advice. This is a free estimate from AwardWatchdog based on SBA’s published table. AwardWatchdog is not affiliated with SBA or the U.S. government. Only SBA can make a formal size determination.

Common questions

What is the SBA size standard for NAICS 335312?

A business whose primary industry is NAICS 335312 (Motor and Generator Manufacturing) is small for SBA and federal contracting purposes if it has no more than 1,250 employees on average, including affiliates. The standard comes from SBA’s table at 13 CFR 121.201 (last amended effective March 17, 2023).

How are employees counted for NAICS 335312?

SBA averages the number of employees for each pay period over the preceding 24 completed calendar months, counting full-time, part-time and temporary employees, and includes affiliates (13 CFR 121.106).

Is this an official size determination?

No. This page is an estimate from AwardWatchdog based on SBA’s published table. Use the official SBA Size Standards Tool at sba.gov and only SBA can make a formal size determination.

Related codes in Electrical Equipment, Appliance and Component Manufacturing

335131 Residential Electric Lighting Fixture Manufacturing (750 employees) · 335132 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing (600 employees) · 335139 Electric Lamp Bulb and Other Lighting Equipment Manufacturing (1,250 employees) · 335210 Small Electrical Appliance Manufacturing (1,500 employees) · 335220 Major Household Appliance Manufacturing (1,500 employees) · 335311 Power, Distribution, and Specialty Transformer Manufacturing (800 employees) · 335313 Switchgear and Switchboard Apparatus Manufacturing (1,250 employees) · 335314 Relay and Industrial Control Manufacturing (750 employees) · 335910 Battery Manufacturing (1,250 employees) · 335921 Fiber Optic Cable Manufacturing (1,000 employees) · 335929 Other Communication and Energy Wire Manufacturing (1,000 employees) · 335931 Current-Carrying Wiring Device Manufacturing (600 employees)

Source: 13 CFR 121.201 (SBA table of small business size standards, eCFR current as of October 15, 2026; last amended effective March 17, 2023). See also SBA’s table of size standards.

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