NAICS 335311: Power, Distribution, and Specialty Transformer Manufacturing
Power, Distribution, and Specialty Transformer Manufacturing is NAICS code 335311. A business is small under it with 800 employees or fewer. 47 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- 800 employees or fewer
- Open contracts now
- 47
- Federal spending, FY2026
- $327 million
- Share won by small businesses
- 41%
- Small businesses registered
- 673
Open federal contracts for power, distribution, and specialty transformer manufacturing
Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.
- Cable Assembly Power
Due in 1 dayOct 5, 2026
- CABLE ASSEMBLY, SPECIAL PURPOSE
Due in 1 dayOct 5, 2026
- Wiring Harness Branched
Due in 1 dayOct 5, 2026
- Cable Assembly Switch
Due in 1 dayOct 5, 2026
- Cable Assembly Spec
Due in 1 dayOct 5, 2026
- Wiring Harness Branched
Due in 1 dayOct 5, 2026
What NAICS 335311 covers
The Census Bureau's NAICS index lists these kinds of work under 335311:
- Airport lighting transformers manufacturing
- Arc-welding transformers, separate solid-state, manufacturing
- Autotransformers for switchboards (except telephone switchboards) manufacturing
- Autotransformers manufacturing
- Ballasts (i.e., transformers) manufacturing
- Boosters, feeder voltage (i.e., electrical transformers), manufacturing
- Burner ignition transformers manufacturing
- Control transformers manufacturing
- Current limiting reactors, electrical, manufacturing
- Distribution transformers, electric, manufacturing
- Electric furnace transformers manufacturing
- Feeder voltage regulators and boosters (i.e., electrical transformers) manufacturing
- Fluorescent ballasts (i.e., transformers) manufacturing
- Fluorescent lighting transformers manufacturing
The index lists 37 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 335311
To count as a small business for a contract assigned NAICS 335311, your business must have 800 employees or fewer. Employees are averaged over the last 24 months.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys power, distribution, and specialty transformer manufacturing
Agencies that awarded the most under NAICS 335311 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $320.8 million |
| Defense Logistics Agency | $267.3 million |
| Department of the Navy | $182.5 million |
| Department of the Army | $118.6 million |
| Federal Aviation Administration | $18.7 million |
| Department of Energy | $8.4 million |
| Department of State | $7.2 million |
| Bureau of Reclamation | $4.7 million |
Open notices right now come from Dept of Defense (78).
Set-asides on open 335311 contracts
- No set-aside (full and open): 61
- Total small business set-aside: 13
- HUBZone set-aside: 2
- EDWOSB set-aside: 1
- Service-disabled veteran-owned set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
673 businesses with active SAM.gov registrations are rated small under NAICS 335311, most of them in California (78), Texas (71), Florida (67), Virginia (46) and New York (30). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 335311 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $300.5 million |
| FY2025 | $310.9 million |
| FY2026 | $327 million |
| FY2027 (so far) | $2,152 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 335312 Motor and Generator Manufacturing
- 335313 Switchgear and Switchboard Apparatus Manufacturing
- 335314 Relay and Industrial Control Manufacturing
Frequently asked questions
What is NAICS code 335311?
335311 is the 2022 NAICS code for Power, Distribution, and Specialty Transformer Manufacturing. The Census Bureau's index lists work such as airport lighting transformers manufacturing, arc-welding transformers, separate solid-state, manufacturing, autotransformers for switchboards (except telephone switchboards) manufacturing under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 335311?
800 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for power, distribution, and specialty transformer manufacturing?
Yes. 47 federal contract opportunities under NAICS 335311 are open on SAM.gov right now. Agencies obligated about $327 million under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 335311 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.