# NAICS 333413: Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing](https://bidrover.com/naics/333413)

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…

- NAICS code: 333413
- Title: Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 333 Machinery Manufacturing
- Industry group: 3334 Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
- NAICS industry: 33341 Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
- SBA size standard: 500 employees
- Open bids on BidRover: 1
- Updated: Oct 8, 2026

## Open bids (1)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 333413?

NAICS 333413 is "Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). 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…

### What is the SBA size standard for NAICS 333413?

A business is small under NAICS 333413 at or below 500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 333413?

BidRover counts 1 open bid that cite NAICS 333413 as of Oct 8, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 333413 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing](https://bidrover.com/naics/333415)
- [336390 Other Motor Vehicle Parts Manufacturing](https://bidrover.com/naics/336390)
- [335210 Small Electrical Appliance Manufacturing](https://bidrover.com/naics/335210)
- [333414 Heating Equipment (except Warm Air Furnaces) Manufacturing](https://bidrover.com/naics/333414)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.