NAICS Code 333994

NAICS 333994

NAICS Code 333994 – Industrial Process Furnace and Oven Manufacturing

Definition of NAICS Code 333994: This U.S. Industry comprises establishments primarily engaged in manufacturing industrial process ovens, induction and dielectric heating equipment, and kilns (except cement, chemical, wood). Included in this industry are establishments manufacturing laboratory furnaces and ovens.

  • 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.

Cross Reference Guide for Code 333994

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 bakery ovens–are classified in U.S. Industry NAICS 333241, Food Product Machinery Manufacturing;
  • Manufacturing cement, wood, and chemical kilns–are classified in U.S. Industry NAICS 333249, Other Industrial Machinery Manufacturing; and
  • Manufacturing cremating ovens–are classified in U.S. Industry NAICS 333999, All Other Miscellaneous General Purpose Machinery Manufacturing.

Other Index Entries for NAICS 333994

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.

  • Ceramic kilns and furnaces manufacturing
  • Core baking and mold drying ovens manufacturing
  • Dielectric industrial heating equipment manufacturing
  • Distillation ovens, charcoal and coke, manufacturing
  • Enameling ovens manufacturing
  • Furnaces and ovens for drying and redrying, industrial process-type, manufacturing
  • Furnaces and ovens, semiconductor wafer, manufacturing
  • Furnaces, industrial and laboratory-type (except dental), manufacturing
  • Garbage incinerators (except precast concrete) manufacturing
  • Heat treating ovens, industrial process-type, manufacturing
  • Incinerators (except precast concrete) manufacturing
  • Induction heating equipment, industrial process-type, manufacturing
  • Infrared ovens, industrial, manufacturing
  • Japanning ovens manufacturing
  • Kilns (except cement, chemical, wood) manufacturing
  • Lacquering ovens manufacturing
  • Metal melting furnaces, industrial, manufacturing
  • Ovens, industrial process and laboratory-type, manufacturing
  • Paint baking and drying ovens manufacturing
  • Smelting ovens manufacturing
  • Tilemaking kilns manufacturing

Suggested Insurance Conversion Table for NAICS Code 333994

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 333994
  • CA WC: 3507
  • DE WC: 0461
  • PA WC: 461
  • MI WC: 3507
  • NJ WC: 3507
  • NY WC: 3507
  • WY WC: 333994
  • GL: 56652
  • SIC: 3567

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 333994 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 333994