This group includes establishments primarily engaged in manufacturing flat glass. This industry also produces laminated glass, but establishments primarily engaged in manufacturing laminated glass from purchased flat glass are classified in SIC 3231: Glass Products, Made of Purchased Glass.
This category includes establishments primarily engaged in manufacturing glass containers for commercial packing and bottling, and for home canning. Products include ampoules; bottles, containers, jars, and jugs for packing, bottling, and canning; carboys; cosmetic jars; fruit jars; medicine bottles; packers' ware; vials; and water bottles.
This category includes establishments primarily engaged in manufacturing glass and glassware, not elsewhere classified, pressed, blown, or shaped from glass produced in the same establishment. Establishments primarily engaged in manufacturing textile glass fibers are also included in this industry, but establishments primarily engaged in manufacturing glass wool insulation products are classified in SIC 3296: Mineral Wool.
This category covers establishments primarily engaged in manufacturing glass products from purchased glass. Establishments primarily engaged in manufacturing optical lenses, except ophthalmic, are classified in SIC 3827: Optical Instruments and Lenses, and those manufacturing ophthalmic lenses are classified in SIC 3851: Ophthalmic Goods.
Establishments primarily engaged in manufacturing hydraulic cement, including portland, natural, masonry, and pozzolana cements.
This category covers establishments primarily engaged in manufacturing brick and structural clay tile. Establishments primarily engaged in manufacturing clay firebrick fall under SIC 3255: Clay Refractories; those manufacturing nonclay firebrick are grouped under SIC 3297: Nonclay Refractories; those manufacturing sand lime brick are classified in SIC 3299: Nonmetallic Mineral Products, Not Elsewhere Classified; those manufacturing architectural terra cotta and other miscellaneous structural clay products are classified in SIC 3259: Structural Clay Products, Not Elsewhere Classified; and those manufacturing glass brick are classified in SIC 3229: Pressed and Blown Glass and Glassware, Not Elsewhere Classified.
This industry covers establishments primarily engaged in manufacturing ceramic wall and floor tile. Establishments primarily engaged in manufacturing structural clay tile are classified in SIC 3251: Brick and Structural Clay Tile, and those manufacturing drain tile are classified in SIC 3259: Structural Clay Products, Not Elsewhere Classified.
This category covers establishments primarily engaged in manufacturing clay firebrick and other heatresisting clay products. Establishments primarily engaged in manufacturing nonclay refractories and all graphite refractories, whether of carbon bond or ceramic bond, are classified under SIC 3297: Nonclay Refractories.
This industry classification includes establishments engaged in the manufacture of clay sewer pipe and structural clay products, not elsewhere classified. Other products include adobe brick, clay chimney pipe, clay drain tile, and clay roofing.
This industry classification consists of establishments primarily engaged in manufacturing vitreous china plumbing fixtures and china and earthenware fittings and bathroom accessories. Items manufactured in this industry include flush tanks, lavatories, bidets, urinals, toilet fixtures, closet bowls, drinking fountains, and sinks.
This industry consists of companies that manufacture vitreous china table and kitchen articles, such as bone china, vitreous china tableware, vitreous china dishes, and china cooking ware. Manufacturers of fine earthenware table and kitchen articles are In SIC 3263: Fine Earthenware (Whiteware) Table and Kitchen Articles.
This industry consists of companies manufacturing semivitreous earthenware table and kitchen articles. These include fine semivitreous whiteware, semivitreous earthenware used for cooking and serving food, and both commercial and household earthenware.
This category consists of manufacturers of porcelain electronic insulators, molded porcelain parts for electrical devices, other electrical insulators, ceramic electronic and electrical supplies, and spark plug and steatitic porcelain.
This industry consists of manufacturers of art and ornamental pottery, industrial and laboratory pottery, unglazed earthenware florists' articles, and earthenware table and kitchen articles, as well as those establishments primarily engaged in firing and decorating white china and earthenware for the trade.
This category covers establishments engaged in manufacturing concrete building block and brick from a combination of cement and aggregate. Contractors engaged in concrete construction work are classified in the construction segment (see Vol.
This category covers establishments primarily engaged in manufacturing concrete products, except block and brick, from a combination of cement and aggregate. Contractors engaged in concrete construction work are classified in the construction industries, and establishments primarily engaged in mixing and delivering ready-mixed concrete are classified in SIC 3273: Ready-Mixed Concrete.
This category covers establishments primarily engaged in manufacturing portland cement concrete manufactured and delivered to a purchaser in a plastic and unhardened state. This industry includes production and sale of central-mixed concrete, shrink-mixed concrete, and truck-mixed concrete.
The lime industry is comprised of establishments primarily engaged in manufacturing quick-lime, hydrated lime, and miscellaneous lime-related products. It is considered part of the larger concrete, gypsum, and plaster products industry.
Companies predominately employed in manufacturing plaster, plasterboard, and other gypsum products constitute the gypsum products industry. The manufacturers in this industry make products such as acoustical plaster, wallboard, cement, insulating plaster, orthopedic plaster (for casts), plaster of paris, and gypsum rock, lath, and tile.
This category covers establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses. Establishments primarily engaged in buying or selling partly finished monuments and tombstones, but performing no work on the stones other than lettering, finishing, or shaping to custom order, are classified in either the wholesale or retail trade divisions.
This classification covers companies that primarily make abrasive grinding wheels of natural or synthetic materials, abrasive-coated products, and other abrasive products. Companies cutting grindstones, pulpstones, and whetstones at the quarry are classified under mining industries.
This category includes companies that primarily make asbestos textiles, asbestos building materials (except asbestos paper), insulating materials for covering boilers and pipes, and other products composed wholly or chiefly of asbestos. Companies that primarily make asbestos paper are in SIC 2621: Paper Mills.
This category includes establishments operating without a mine or quarry and primarily engaged in crushing, grinding, pulverizing, or otherwise preparing clay, ceramic, and refractory minerals; barite; and miscellaneous nonmetallic minerals, excluding fuels. These minerals are the crude products mined by establishments of Industry Groups 145 (clay, ceramic, and refractory minerals) and 149 (miscellaneous nonmetallic minerals, except fuels), and by those mining barite in SIC 1479: Chemical and Fertilizer Mineral Mining, Not Elsewhere Classified.
This category includes companies that make mineral wool and mineral wool insulation products made of such siliceous materials as rock, slag, glass, or combinations of these. Companies that primarily make asbestos insulation products are classified in SIC 3292: Asbestos Products, and those making textile glass fibers are classified in SIC 3229: Pressed and Blown Glass and Glassware, Not Elsewhere Classified.
This category includes establishments primarily engaged in manufacturing refractories and crucibles made of materials other than clay. This industry also includes establishments primarily engaged in manufacturing all graphite refractories, whether of carbon bond or ceramic bond.
This category is comprised of firms that manufacture goods made from plaster of Paris, papier-mâché, sand lime, and other miscellaneous nonmetallic mineral products. Examples of industry output include synthetic stones, clay and plaster plaques, architectural plaster work, plaster of Paris sculptures, miniature gypsum images, plaster of Paris flower boxes, and gypsum urns.