NAICS 335311: Power, Distribution, and Specialty Transformer Manufacturing
This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.
This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.
Substation transformers, electric power distribution, manufacturing
Distribution transformers, electric, manufacturing
Transmission and distribution voltage regulators manufacturing
Not in this code
Establishments primarily engaged in manufacturing electronic component-type transformers are classified in U.S. Industry 334416, Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing.
SBA size standard
A business is small under NAICS 335311 if it has no more than 800 employees (averaged over the last 24 months, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 335311 solicitations in the last two years:
61--CABLE assembly,spec · Department of Defense · posted September 28, 2026
61--POWER supply · Department of Defense · posted September 27, 2026
59--TRANSFORMER,POWER · Department of Defense · posted September 24, 2026
61--CABLE assembly,special · Department of Defense · posted September 24, 2026
61--CABLE assembly,power,e · Department of Defense · posted September 23, 2026
1000 KVA transformer · Department of Defense · posted September 23, 2026
7 CES Transformers · Department of Defense · Texas · posted September 22, 2026
61--BATTERY BOX · Department of Defense · posted September 21, 2026
Do this kind of work?
Send XL Eagle your price on an open power, distribution, and specialty transformer manufacturing job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 335311 is Power, Distribution, and Specialty Transformer Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.
What is the SBA size standard for NAICS 335311?
The size standard for NAICS 335311 is 800 employees. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for power, distribution, and specialty transformer manufacturing?
Yes. 16 government contracts are open under NAICS 335311 right now, and 122 were posted in the last 12 months.
Can I bid on NAICS 335311 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.
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