NAICS Code 331410

NAICS 331410

NAICS Code 331410 – Nonferrous Metal (except Aluminum) Smelting and Refining

Definition of NAICS Code 331410: This industry comprises establishments primarily engaged in the following:

  1. Smelting ores into nonferrous metals and/or
  2. The primary refining of nonferrous metals (except aluminum) by electrolytic methods or other processes.
  • 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 331410

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.

  • Mining and making copper and other nonferrous concentrates (including gold and silver bullion), by processes, such as solvent extraction or electrowinning–are classified in Industry Group 2122, Metal Ore Mining;
  • Recovering copper or copper alloys from scrap or dross and/or alloying, rolling, drawing, and extruding purchased copper–are classified in Industry NAICS 331420, Copper Rolling, Drawing, Extruding, and Alloying;
  • Rolling, drawing, and/or extruding nonferrous metal shapes (except copper and aluminum) from purchased nonferrous metals (except copper and aluminum) or by recovering nonferrous metals (except copper and aluminum) and rolling, drawing, or extruding–are
  • classified in U.S. Industry NAICS 331491, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding;
  • Recovering nonferrous metals (except copper and aluminum) from scrap and making primary forms and/or alloying purchased nonferrous metals (except copper and aluminum)–are classified in U.S. Industry NAICS 331492, Secondary Smelting, Refining, and Alloying of
  • Nonferrous Metal (except Copper and Aluminum);
  • Making aluminum from alumina–are classified in U.S. Industry NAICS 331313, Alumina Refining and Primary Aluminum Production;
  • Operating facilities where commingled recyclable materials, such as paper, plastics, used beverage cans, and metals, are sorted into distinct categories without also smelting or refining–are classified in Industry NAICS 562920, Materials Recovery Facilities; and
  • Sorting, buying, breaking up scrap metal, and reselling, without also smelting or refining–are classified in Industry NAICS 423930, Recyclable Material Merchant Wholesalers.

Other Index Entries for NAICS 331410

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.

  • Antimony refining, primary
  • Bars made in primary copper smelting and refining mills
  • Beryllium refining, primary
  • Bismuth refining, primary
  • Blister copper manufacturing
  • Cadmium refining, primary
  • Chromium refining, primary
  • Cobalt refining, primary
  • Copper alloys made in primary copper smelting and refining mills
  • Copper concentrate refining
  • Copper shapes (e.g., bar, billet, ingot, plate, sheet) made in primary copper smelting and refining mills
  • Copper smelting and refining, primary
  • Germanium refining, primary
  • Gold bullion or dore bar produced at primary metal refineries
  • Gold refining, primary
  • Ingot, primary, nonferrous metals (except aluminum), manufacturing
  • Iridium refining, primary
  • Lead smelting and refining, primary
  • Magnesium refining, primary
  • Nickel refining, primary
  • Niobium refining, primary
  • Nonferrous metal (except aluminum) shapes made in primary nonferrous metal smelting and refining mills
  • Nonferrous metals (except aluminum) made in primary nonferrous metal smelting and refining mills
  • Nonferrous metals (except aluminum) smelting and refining, primary
  • Platinum refining, primary
  • Primary refining of copper
  • Primary refining of nonferrous metals (except aluminum)
  • Primary smelting of copper
  • Primary smelting of nonferrous metals (except aluminum)
  • Refining copper, primary
  • Refining nonferrous metals and alloys (except aluminum), primary
  • Rhenium refining, primary
  • Selenium refining, primary
  • Silver bullion or dore bar produced at primary metal refineries
  • Silver refining, primary
  • Slab, nonferrous metals (except aluminum) primary
  • Smelting of nonferrous metals (except aluminum), primary
  • Tantalum refining, primary
  • Tellurium refining, primary
  • Tin base alloys made in primary tin smelting and refining mills
  • Tin refining, primary
  • Titanium refining, primary
  • Uranium refining, primary
  • Zinc refining, primary
  • Zirconium refining, primary

Suggested Insurance Conversion Table for NAICS Code 331410

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): 1430, 1438NAICS 331410
  • CA WC: 3647, 1438
  • DE WC: 0402, 551
  • PA WC: 402,
  • MI WC: 551
  • NJ WC: 1438
  • NY WC: 1430, 1438
  • WY WC: 331410
  • GL: 56170, 56917, 56920, 56900
  • SIC: 3339, 3331

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 331410 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 331: Primary Metal Manufacturing
  • Industry Group 3314: Nonferrous Metal (except Aluminum) Production and Processing
  • Industry 33141: Nonferrous Metal (except Aluminum) Smelting and Refining
  • 6 Digit Code(s) NAICS 331410: Nonferrous Metal (except Aluminum) Smelting and Refining
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NAICS Code 331410