NAICS Code 331492-02 - Refining (Manufacturing)

Marketing Level - NAICS 8-Digit

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NAICS Code 331492-02 Description (8-Digit)

Refining (Manufacturing) is a subdivision of the NAICS Code 331492 that involves the process of purifying and transforming raw materials into usable products. This industry is specifically focused on the secondary smelting, refining, and alloying of nonferrous metals, excluding copper and aluminum. Refining (Manufacturing) is a crucial step in the production of various products, including electronics, construction materials, and transportation equipment.

Parent Code - Official US Census

Official 6‑digit NAICS codes serve as the parent classification used for government registrations and documentation. The marketing-level 8‑digit codes act as child extensions of these official classifications, providing refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader context of the industry environment. For further details on the official classification for this industry, please visit the U.S. Census Bureau NAICS Code 331492 page

Tools

Tools commonly used in the Refining (Manufacturing) industry for day-to-day tasks and operations.

  • Furnaces
  • Refining kettles
  • Casting machines
  • Crucibles
  • Ladles
  • Tongs
  • Hammers
  • Anvils
  • Molds
  • Fluxes

Industry Examples of Refining (Manufacturing)

Common products and services typical of NAICS Code 331492-02, illustrating the main business activities and contributions to the market.

  • Lead refining
  • Zinc refining
  • Tin refining
  • Nickel refining
  • Precious metal refining
  • Magnesium refining
  • Titanium refining
  • Cobalt refining
  • Tungsten refining
  • Antimony refining

History

A concise historical narrative of NAICS Code 331492-02 covering global milestones and recent developments within the United States.

  • The refining industry has a long history dating back to ancient times when people used fire to extract metals from ores. The first recorded instance of refining was in 3000 BC when the Egyptians used fire to extract gold from ores. In the Middle Ages, the refining industry grew as the demand for metals increased. The Industrial Revolution in the 18th century brought significant advancements in refining technology, including the development of the Bessemer process for steel production. In the United States, the refining industry grew rapidly in the late 19th and early 20th centuries, with the discovery of large oil reserves in Texas and Oklahoma. The industry continued to grow and evolve, with the introduction of new technologies such as hydrotreating and catalytic cracking, which improved the efficiency of refining processes.