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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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
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)
Frequently Asked Questions (FAQ)
Is NAICS code 333611 valid in 2022? ▾
Yes, 333611 is a valid 6-digit 2022 NAICS national industry code representing 'Turbine and Turbine Generator Set Units Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333611? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,500 employees for NAICS code 333611 (Turbine and Turbine Generator Set Units Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333611? ▾
According to official Census Bureau concordance tables, NAICS code 333611 (Turbine and Turbine Generator Set Units Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3511 - Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units.
Related Pages & Tools
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.
- NAICS 333611 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Turbine and Turbine Generator Set Units Manufacturing).
- 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.