SIC 3333-digit industry group · SIC 1987

SIC Code 333: Primary Smelting and Refining of Nonferrous Metals

The SIC code for Primary Smelting and Refining of Nonferrous Metals is 333.

Primary Smelting and Refining of Nonferrous Metals industry group (SIC 333) comprises establishments engaged in primary smelting and refining of nonferrous metals activities as classified under the US Standard Industrial Classification system.

Primary Smelting and Refining of Nonferrous Metals falls under SIC Major Group 33: Primary Metal Industries in Manufacturing.

SIC Industries

333

SIC Code

SIC 33 — Primary Metal Industries

Classification

SIC Industries (4-digit)

SIC Code	Industry Title	NAICS Code
3331	SIC 3331 — Primary Smelting and Refining of Copper
3334	SIC 3334 — Primary Production of Aluminum	NAICS 33131
3339	SIC 3339 — Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum	NAICS 3313

SIC 1987

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Other Industry Groups in SIC 33

SIC 331 — Steel Works, Blast Furnaces, and Rolling and Finishing Mills5 industries

SIC 332 — Iron and Steel Foundries4 industries

SIC 334 — Secondary Smelting and Refining of Nonferrous Metals1 industries

SIC 335 — Rolling, Drawing, and Extruding of Nonferrous Metals6 industries

SIC 336 — Nonferrous Foundries (Castings)5 industries

SIC 339 — Misc Primary Metal Products2 industries

Need the NAICS equivalent? convert a SIC code to NAICS using the mapping table — SIC 1987 four-digit industries paired with NAICS 2022 at the five-digit industry level, with coverage gaps stated.