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US Standard Industrial Classification (SIC) Code Lookup

Division: D - Manufacturing

US-SIC Code 3341 - Secondary Smelting and Refining of Nonferrous Metals

Industry Description

Establishments primarily engaged in recovering nonferrous metals and alloys from new and used scrap and dross or in producing alloys from purchased refined metals. This industry includes establishments engaged in both the recovery and alloying of precious metals. Plants engaged in the recovery of tin through secondary smelting and refining, as well as by chemical processes, are included in this industry. Establishments primarily engaged in assembling, sorting, and breaking up scrap metal, without smelting and refining, are classified in Wholesale Trade, Industry 5093.

Business Examples

Common types of business activities within US SIC 3341 - Secondary Smelting and Refining of Nonferrous Metals are:

  • Aluminum extrusion ingot, secondary
  • Aluminum smelting and refining, secondary
  • Antimonial lead refining, secondary
  • Babbitt metal smelting and refining, secondary
  • Brass smelting and refining, secondary
  • Bronze smelting and refining, secondary
  • Copper smelting and refining, secondary
  • Detinning of cans
  • Detinning of scrap
  • Germanium refining, secondary
  • Gold smelting and refining, secondary
  • Ingots, nonferrous: smelting and refining-secondary
  • Iridium smelting and refining, secondary
  • Lead smelting and refining, secondary
  • Magnesium smelting and refining, secondary
  • Nickel smelting and refining, secondary
  • Nonferrous metal smelting and refining, secondary
  • Platinum-group metals smelting and refining, secondary
  • Precious metal smelting and refining, secondary
  • Recovering and refining of nonferrous metals
  • Recovery of silver from used photographic film
  • Secondary refining and smelting of nonferrous metals
  • Selenium refining, secondary
  • Silver smelting and refining, secondary
  • Solder (base metal), pig and ingot secondary
  • Tin smelting and refining, secondary
  • Zinc dust, reclaimed
  • Zinc smelting and refining, secondary

IBISWorld Industry Research Report

Aluminum Manufacturing in the US (33131)

Revenue 2025

$52.4bn

Growth 2025

3.04%

Key Trends

  • Aluminum prices reached record highs due to limited supply from China, Russia and other major producers

  • Persistent price volatility for aluminum has proved challenging for industry operators

  • Demand from transportation equipment-related industries will likely remain the key driver of revenue growth

Products and Services

US-SIC Hierarchy 3341 - Secondary Smelting and Refining of Nonferrous Metals

US-SIC Code 3341 - Secondary Smelting and Refining of Nonferrous Metals sits in the 2-digit Secondary Smelting and Refining of Nonferrous Metals sector. US SIC codes can be 2 to 8 digits and the further along the hierarchy, the more detailed and specific the category will be.

Division: D

Division Title: Manufacturing

2 Digits 3 Digits 4 Digits

Extended US-SIC Hierarchy for 3341 - Secondary Smelting and Refining of Nonferrous Metals

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 3341 - Secondary Smelting and Refining of Nonferrous Metals. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 334101 Babbitting (manufacturers)
  • 334102 Silver recovery
  • 334103 Refining
  • 334104 Scrap film (manufacturers)
  • 334106 Brass mills
  • 334198 Secondary smelting & refining-nonferrous

8 Digit SIC Codes

  • 33410000 Secondary nonferrous metals
  • 33410100 Secondary lead and zinc
  • 33410101 Lead smelting and refining (secondary)
  • 33410102 Zinc smelting and refining (secondary)
  • 33410200 Secondary precious metals
  • 33410201 Gold smelting and refining (secondary)
  • 33410202 Platinum group metals, smelting and refining (secondary)
  • 33410203 Silver recovery from used photographic film
  • 33410204 Silver smelting and refining (secondary)
  • 33419900 Secondary nonferrous metals, nec
  • 33419901 Aluminum smelting and refining (secondary)
  • 33419902 Babbitt metal smelting and refining (secondary)
  • 33419903 Brass smelting and refining (secondary)
  • 33419904 Bronze smelting and refining (secondary)
  • 33419905 Copper smelting and refining (secondary)
  • 33419906 Detinning of cans and scrap
  • 33419907 Germanium smelting and refining (secondary)
  • 33419908 Iridium smelting and refining (secondary)
  • 33419909 Magnesium smelting and refining (secondary)
  • 33419910 Nickel smelting and refining (secondary)
  • 33419911 Recovery and refining of nonferrous metals
  • 33419912 Selenium smelting and refining (secondary)
  • 33419913 Tin smelting and refining (secondary)

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US SIC Code Directory

Each US SIC Code is part of a Division, which corresponds with a numerical range. Select a Division category from the table below, then drill down to discover the industries within that Division.

Division US-SIC Code Sector title
A 01-09 Agriculture, Forestry, and Fishing
B 10-14 Mining
C 15-17 Construction
D 20-39 Manufacturing
E 40-49 Transportation, Communications, Electric, Gas, and Sanitary Services
F 50-51 Wholesale Trade
G 52-59 Retail Trade
H 60-67 Finance, Insurance, and Real Estate
I 70-89 Services
J 90-99 Public Administration

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