333611 — Turbine and Turbine Generator Set Units Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing turbines (except aircraft); and complete turbine generator set units, such as steam, hydraulic, gas, and wind.
Exclusions & Cross-References
- Manufacturing aircraft turbines--are classified in U.S. Industry 336412, Aircraft Engine and Engine Parts
- Manufacturing; and
- Manufacturing generators or prime mover generator sets (except turbines)--are classified in U.S. Industry
- 335312, Motor and Generator Manufacturing.
Overview Facts
| NAICS Code | 333611 |
|---|---|
| Industry Title | Turbine and Turbine Generator Set Units Manufacturing |
| SBA Size Standard | 1,500 employees |
| IRS PBA Code | 333610 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 333 → 3336 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3511 - Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units (via SIC1987:3511→NAICS1997:333611→2002:333611→2007:333611→2012:333611→2017:333611→2022:333611)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 333611:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3336
Frequently Asked Questions (FAQ)
Is 333611 a valid 2022 NAICS code?
NAICS 333611 is 'Turbine and Turbine Generator Set Units Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,500 employees.
What is the SBA size standard for NAICS 333611?
The SBA small business size standard for NAICS 333611 is 1,500 employees (based on employees).
What is the legacy SIC code mapping for 333611?
NAICS code 333611 maps to the legacy 1987 SIC codes: 3511 - Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units.