Naics code Naics crossreference
32799 Manufacturing glass and glass products--are classified in Industry 32721, Glass and Glass Product Manufacturing
32799 Manufacturing concrete products (except pipe, brick, and block)--are classified in Industry 32739, Other Concrete Product Manufacturing
32799 Manufacturing lime--are classified in Industry 32741, Lime Manufacturing
32799 Manufacturing gypsum products--are classified in Industry 32742, Gypsum Product Manufacturing
32799 Manufacturing abrasive products--are classified in Industry 32791, Abrasive Product Manufacturing
32799 Manufacturing metallic scouring pads and steel wool--are classified in Industry 33299, All Other Fabricated Metal Product Manufacturing.
327991 Mining or quarrying stone--are classified in Industry Group 2123, Nonmetallic Mineral Mining and Quarrying
327991 Buying and selling semi-finished monuments and tombstones with no work other than polishing, lettering, or shaping to custom order--are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade.
327992 Establishments primarily engaged in crushing, grinding, pulverizing, washing, screening, sizing, or otherwise beneficiating mined clays, ceramics and refractory, and other miscellaneous nonmetallic minerals are classified in Industry Group 2123, Nonmetallic Mineral Mining and Quarrying.
327993 Establishments primarily engaged in manufacturing metallic scouring pads and steel wool are classified in U.S. Industry 332999, All Other Miscellaneous Fabricated Metal Product Manufacturing.