2022 Edition

National Industry 331313 Sub-Description:

Alumina refining

Overview

Alumina refining is one of 14 sub descriptions for NAICS National Industry 331313, Alumina Refining and Primary Aluminum Production.

Identifier

The identifier for Alumina refining is 645935b8c4aba01b8d222b512a466ab1.

Learn more about how we calculate this value.

History

The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Existed Equivalent Value
2022 645935b8c4aba01b8d222b512a466ab1
2017 645935b8c4aba01b8d222b512a466ab1
2012 645935b8c4aba01b8d222b512a466ab1

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass 331313, Alumina refining:

  1. alumina and aluminum production and processing
  2. alumina refining
  3. alumina refining and primary aluminum production
  4. industrial inorganic chemical not otherwise classified
  5. manufacturing
  6. metal extraction or refining chemical process
  7. primary metal manufacturing
  8. primary production of aluminum