North American Industry Classification System (NAICS) code 33391 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
This industry comprises establishments primarily engaged in manufacturing pumps and compressors, such as general purpose air and gas compressors, nonagricultural spraying and dusting equipment, general purpose pumps and pumping equipment (except fluid power pumps and motors), and measuring and dispensing pumps.
- Official title
- Pump and Compressor Manufacturing
- Code level
- 5
- Parent industry
- Other General Purpose Machinery Manufacturing 3339
- Open opportunities
- 2 open · 3 active
Excluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Manufacturing agricultural spraying and dusting equipment--are classified in Industry 33311, Agricultural Implement Manufacturing;
Manufacturing air-conditioning systems and compressors (except motor vehicle)--are classified in Industry 33341, Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing.
Manufacturing fluid power pumps and motors and handheld pneumatic spray guns--are classified in Industry 33399, All Other General Purpose Machinery Manufacturing;
Manufacturing laboratory vacuum pumps--are classified in Industry 33911, Medical Equipment and Supplies Manufacturing;
Manufacturing pumps and air-conditioning systems and compressors for motor vehicles--are classified in Industry Group 3363, Motor Vehicle Parts Manufacturing; and
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.