NAICS 333998:
All Other Miscellaneous General Purpose Machinery Manufacturing
This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; and fluid power pumps and motors).
Automatic fire sprinkler systems manufacturingBaling machinery (e.g., paper, scrap metal) manufacturingBridge and gate lifting machinery manufacturing+6 examples
Matching SIC code: 3596 Scales and Balances, Except Laboratory (also 3821 Laboratory Apparatus and Furniture, 3569 General Industrial Machinery and Equipment, Not Elsewhere)
Where it sits
- 31-33ManufacturingSector
- 333Machinery ManufacturingSubsector
- 3339Other General Purpose Machinery ManufacturingIndustry group
- 33399All Other General Purpose Machinery ManufacturingNAICS industry
- 333998All Other Miscellaneous General Purpose Machinery ManufacturingNational industry
Largest companies with NAICS 333998
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Parker Hannifinparker.com | Cleveland, US | 30K |
| 2 |  Dover Corporationdovercorporation.com | Downers Grove, US | 6.2K |
| 3 |  Pall Corporationpall.com | Port Washington, US | 5.1K |
| 4 |  Chamberlain Groupchamberlaingroup.com | Oak Brook, US | 2.9K |
| 5 |  Nordson Corporationnordson.com | Westlake, US | 2.7K |
| 6 |  FANUC America Corporationfanucamerica.com | Rochester, US | 1.9K |
| 7 |  IPG Photonicsipgphotonics.com | Oxford, US | 1.9K |
| 8 |  Boston Dynamicsbostondynamics.com | Waltham, US | 1.8K |
| 9 |  Atmus Filtration Technologiesatmus.com | Nashville, US | 1.6K |
| 10 |  Hayward Holdings, Inc.hayward.com | Charlotte, US | 1.5K |
Not this code?
Similar activities the Census classifies elsewhere.
- 33341Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment ManufacturingManufacturing ventilating, heating, air-conditioning (except motor vehicle), and commercial refrigeration equipment
- 336390Other Motor Vehicle Parts ManufacturingManufacturing motor vehicle air-conditioning systems and compressors
- 33392Material Handling Equipment ManufacturingManufacturing material handling equipment
- 333993Packaging Machinery ManufacturingManufacturing packaging machinery
Questions about NAICS 333998
Which businesses use NAICS 333998?
What SIC code matches NAICS 333998?
How many companies have NAICS 333998?
Code titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.