Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector

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.

32742 - Gypsum product manufacturing

This industry comprises establishments primarily engaged in manufacturing products composed wholly or chiefly of gypsum.