2022 NAICS national industry in sector 31-33 Manufacturing
333912 Air and Gas Compressor Manufacturing
NAICS 333912 is the US industry code for air and gas compressor manufacturing. This U.S.
- Code
- 333912 (2022 NAICS)
- Title
- Air and Gas Compressor Manufacturing
- Part of
- Pump and Compressor Manufacturing
- SBA small business limit
- Up to 1,000 employees
- Closest UK SIC
- 28131, 28132 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing general purpose air and gas compressors, such as reciprocating compressors, centrifugal compressors, vacuum pumps (except laboratory), and nonagricultural spraying and dusting compressors and spray gun units.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing refrigeration and air-conditioning (except motor vehicle) systems and compressors 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.
- Manufacturing fluid power pumps and motors are classified in U.S. Industry 333996, Fluid Power Pump and Motor Manufacturing.
- Manufacturing agricultural spraying and dusting equipment are classified in U.S. Industry 333111, Farm Machinery and Equipment Manufacturing.
- Manufacturing laboratory vacuum pumps are classified in U.S. Industry 339113, Surgical Appliance and Supplies Manufacturing.
- Manufacturing handheld pneumatic spray guns are classified in U.S. Industry 333991, Power-Driven Handtool Manufacturing.
Activities listed under 333912
The Census index assigns these 7 activities to this code. If your business matches one, this is your code.
- Air compressors (except air-conditioning, refrigeration) manufacturing
- Bicycle pumps manufacturing
- Compressors, air and gas, general purpose-type, manufacturing
- Paint sprayers (i.e., compressor and spray gun unit) manufacturing
- Power (i.e., pressure) washer units manufacturing
- Sprayers, manual pump, general purpose-type, manufacturing
- Vacuum pumps (except laboratory) manufacturing
SBA size standard for 333912
To count as a small business for SBA loans and federal contracts under NAICS 333912, your business (including affiliates) must not exceed 1,000 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2813, 2819), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.