333413

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing

Manufacturing › Machinery Manufacturing › Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing

SBA Size Standard

500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

333

Subsector

Machinery Manufacturing

3334

Industry Group

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing

333413

National Industry (This Code)

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 333413

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Manufacturing air-conditioning equipment (except motor vehicle)--are classified in U.S. Industry 333415, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing;
Manufacturing motor vehicle air-conditioning systems and compressors--are classified in Industry 336390, Other Motor Vehicle Parts Manufacturing; and
Manufacturing household-type fans (except attic) and portable air purification equipment--are classified in Industry 335210, Small Electrical Appliance Manufacturing.

How to Use NAICS 333413 in SAM.gov

NAICS code 333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 333413.

Log in Entity Registration Goods & Services Add NAICS Code Enter 333413 Save

Frequently Asked Questions

What is NAICS code 333413?

NAICS code 333413 is 'Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in (1) manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipita

What is the SBA small business size standard for NAICS code 333413?

The SBA defines a small business under NAICS code 333413 (Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing) as one with 500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 333413 in SAM.gov?

To register NAICS code 333413 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 333413 (Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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