333413 — Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in (1) manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipitation equipment, warm air furnace filters, air washers, and other dust collection equipment, and/or (2) manufacturing attic fans and industrial and commercial fans and blowers, such as commercial exhaust fans and commercial ventilating fans (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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 3564 - Industrial and Commercial Fans and Blowers and Air Purification Equipment (via SIC1987:3564→NAICS1997:333411→2002:333411→2007:333411→2012:333413→2017:333413→2022:333413)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 4460 — Air Purification Equipment
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 333413 valid in 2022? ▾
Yes, 333413 is a valid 6-digit 2022 NAICS national industry code representing 'Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333413? ▾
The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 333413 (Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333413? ▾
According to official Census Bureau concordance tables, NAICS code 333413 (Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3564 - Industrial and Commercial Fans and Blowers and Air Purification Equipment.
Related Pages & Tools
Further regulatory reference links for NAICS code 333413:
- 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 333413 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Industrial and Commercial Fan and Blower and Air Purification Equipment 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.