NAICS Code 333999

NAICS 333999

NAICS Code 333999 – All Other Miscellaneous General Purpose Machinery Manufacturing

Definition of NAICS Code 333999: This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metal working 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; fluid power pumps and motors; and scales and balances).

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 333999

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Automatic fire sprinkler systems manufacturing
  • Baling machinery (e.g., paper, scrap metal) manufacturing
  • Bridge and gate lifting machinery manufacturing
  • Centrifuges, industrial- and laboratory-type, manufacturing
  • Cremating ovens manufacturing
  • General purpose-type sieves and screening equipment manufacturing
  • Hydraulic and pneumatic jacks manufacturing
  • Industrial and general line filters (except internal combustion engine, warm air furnace) manufacturing

Cross Reference Guide for Code 333999

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Manufacturing ventilating, heating, air-conditioning (except motor vehicle), and commercial refrigeration–are classified in Industry 33341, Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing;
  • Manufacturing motor vehicle air-conditioning systems and compressors–are classified in Industry NAICS 336390, Other Motor Vehicle Parts Manufacturing;
  • Manufacturing material handling equipment–are classified in Industry 33392, Material Handling Equipment Manufacturing;
  • Manufacturing power-driven handtools–are classified in U.S. Industry NAICS 333991, Power-Driven Handtool Manufacturing;
  • Manufacturing welding and soldering equipment (except handheld soldering irons)–are classified in U.S. Industry NAICS 333992, Welding and Soldering Equipment Manufacturing;
  • Manufacturing packaging machinery–are classified in U.S. Industry NAICS 333993, Packaging Machinery Manufacturing;
  • Manufacturing bakery ovens–are classified in U.S. Industry NAICS 333241, Food Product Machinery Machinery Manufacturing;
  • Manufacturing cement, wood, and chemical kilns–are classified in U.S. Industry NAICS 333249, Other Industrial Machinery Manufacturing;
  • Manufacturing industrial process furnaces and ovens (except bakery)–are classified in U.S. Industry NAICS 333994, Industrial Process Furnace and Oven Manufacturing;
  • Manufacturing fluid power cylinders and actuators–are classified in U.S. Industry NAICS 333995, Fluid Power Cylinder and Actuator Manufacturing;
  • Manufacturing fluid power pumps and motors–are classified in U.S. Industry NAICS 333996, Fluid Power Pump and Motor Manufacturing;
  • Manufacturing scales and balances–are classified in U.S. Industry NAICS 333997, Scale and Balance Manufacturing;
  • Manufacturing carnival and amusement park equipment, automotive maintenance equipment and coin-operated vending machines–are classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing;
  • Manufacturing motor vehicle engine filters and pumps–are classified in Industry Group 3363, Motor Vehicle Parts Manufacturing; and
  • Manufacturing mechanical jacks–are classified in U.S. Industry NAICS 332216, Saw Blade and Handtool Manufacturing.

Other Index Entries for NAICS 333999

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Aircraft carrier catapults manufacturing
  • Baling machinery (e.g., paper, scrap metal) manufacturing
  • Bellows, industrial type, manufacturing
  • Bridge and gate lifting machinery manufacturing
  • Centrifuges, industrial and laboratory-type, manufacturing
  • Cremating ovens manufacturing
  • Filters, industrial and general line (except internal combustion engine, warm air furnace), manufacturing
  • Gas generating machinery, general purpose-type, manufacturing
  • Gas separating machinery manufacturing
  • Gate and bridge lifting machinery manufacturing
  • Ice crushers, industrial and commercial-type, manufacturing
  • Jacks, hydraulic and pneumatic, manufacturing
  • Presses, metal baling, manufacturing
  • Screening and sifting machinery for general industrial use manufacturing
  • Sieves and screening equipment, general purpose-type, manufacturing
  • Sludge tables manufacturing
  • Sprinkler systems, automatic fire, manufacturing
  • Steam separating machinery manufacturing
  • Strainers, pipeline, manufacturing
  • Vapor separating machinery manufacturing
  • Weather vanes manufacturing
Suggested Insurance Conversion Table for NAICS Code 333999

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 3507NAICS 333999
  • CA WC: 3507
  • DE WC: 0461
  • PA WC: 461
  • MI WC: 3507
  • NJ WC: 3507
  • NY WC: 3507
  • WY WC: 333999
  • GL: 56652
  • SIC: Var.

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 333999 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 31-33: Manufacturing
  • Subsector 333: Machinery Manufacturing
  • Industry Group 3339: Other General Purpose Machinery Manufacturing
  • Industry 33399: All Other General Purpose Machinery Manufacturing
  • 6 Digit Code(s) NAICS 333991: Power-Driven Handtool Manufacturing
  • 6 Digit Code(s) NAICS 333992: Welding and Soldering Equipment Manufacturing
  • 6 Digit Code(s) NAICS 333993: Packaging Machinery Manufacturing
  • 6 Digit Code(s) NAICS 333994: Industrial Process Furnace and Oven Manufacturing
  • 6 Digit Code(s) NAICS 333995: Fluid Power Cylinder and Actuator Manufacturing
  • 6 Digit Code(s) NAICS 333996: Fluid Power Pump and Motor Manufacturing
  • 6 Digit Code(s) NAICS 333997: Scale and Balance Manufacturing
  • 6 Digit Code(s) NAICS 333999: All Other Miscellaneous General Purpose Machinery Manufacturing
Other helpful NAICS Downloads

View the download page for the material below.

NAICS Code 333999