North American Industry Classification System (NAICS) 2002

31-33 - Manufacturing

This sector comprises establishments primarily engaged in the physical or chemical transformation of materials or substances into new products. These products may be finished, in the sense that they are ready to be used or consumed, or semi-finished, in the sense of becoming a raw material for an establishment to use in further manufacturing. Related activities, such as the assembly of the component parts of manufactured goods; the blending of materials; and the finishing of manufactured products by dyeing, heat-treating, plating and similar operations are also treated as manufacturing activities. Manufacturing establishments are known by a variety of trade designations, such as plants, factories or mills.

Manufacturing establishments may own the materials which they transform or they may transform materials owned by other establishments. Manufacturing may take place in factories or in workers' homes, using either machinery or hand tools.

Certain activities involving the transformation of goods are classified in other sectors. Some examples are post-harvest activities of agricultural establishments, such as crop drying; logging; the beneficiating of mineral ores; the production of structures by construction establishments; and various activities conducted by retailers, such as meat cutting and the assembly of products such as bicycles and computers.

327 - Non-Metallic Mineral Product Manufacturing

This subsector comprises establishments primarily engaged in manufacturing non-metallic mineral products. These establishments cut, grind, shape and finish granite, marble, limestone, slate and other stone; mix non-metallic minerals with chemicals and other additives; and heat non-metallic mineral preparations to make products, such as bricks, refractories, ceramic products, cement and glass.

  • Exclusion(s):

    Establishments primarily engaged in:

    • beneficiating non-metallic minerals (See 212 Mining (except Oil and Gas))

3274 - Lime and Gypsum Product Manufacturing

This industry group comprises establishments primarily engaged in manufacturing lime and gypsum products.

32741 - Lime Manufacturing

This industry comprises establishments primarily engaged in manufacturing quicklime, hydrated lime and dead-burned dolomite by crushing, screening and roasting limestone, dolomite shells or other sources of calcium carbonate.

327410 - Lime Manufacturing

This Canadian industry comprises establishments primarily engaged in manufacturing quicklime, hydrated lime and dead-burned dolomite by crushing, screening and roasting limestone, dolomite shells or other sources of calcium carbonate.

  • Example Activities:

    • Agricultural lime, manufacturing
    • Calcium hydroxide (i.e., hydrated lime), manufacturing
    • Calcium oxide (i.e., quicklime), manufacturing
    • Dolomite, dead-burned, manufacturing
    • Hydrated lime (i.e., calcium hydroxide), manufacturing
    • Lime, manufacturing
    • Quicklime (i.e., calcium oxide), manufacturing
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