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3211-01 Glass Manufacturers
3211-98 Flat Glass
3221-01 Bottles
3221-98 Glass Containers
3229-01 Glass Blowers
3229-03 Glass Block Structural & Etc
3229-04 Lamps Supplies & Parts
3229-05 Glassware Manufacturers
3229-06 Glass Rods & Tubing
3229-99 Pressed & Blown Glass & Glassware Nec
3231-01 Glass Substitutes
3231-02 Engravers-Glassware
3231-03 Glass Stained & Leaded Mfrs
3231-04 Mirrors Manufacturers
3231-05 Glassware Decoration
3231-06 Aquariums & Aquarium Supplies Mfrs
3231-07 Novelties Manufacturers
3231-08 Crystals Industrial
3231-09 Mirrors Manufacturers Supplies
3231-10 Reflectors
3231-11 Watch Crystals
3231-98 Glass Products Made of Purchased Glass
3241-01 Cement Manufacturers
3241-98 Cement Hydraulic
3251-01 Brick Clay Common & Face Manufacturers
3251-02 Brick Manufacturers
3251-98 Brick & Structural Clay Tile
3253-01 Tile Ceramic Manufacturers
3253-98 Ceramic Wall & Floor Tile
3255-01 Crucibles
3255-98 Clay Refactories
3259-01 Adobe Blocks & Shapes
3259-99 Structural Clay Products Nec
3261-01 Bathroom Accessories Mfrs
3261-02 Baths Equipment & Supplies Mfrs
3261-98 Vitreous China Plumbing Fixtures
3262-01 Chinaware Manufacturers
3262-98 Vitreous China Table & Kitchen Articles
3263-98 Fine Earthenware Table/Kitchen Articles
3264-98 Porcelain Electrical Supplies
3269-01 Chinaware Decorators
3269-02 Giftwares Mfrs
3269-03 Ceramic Equipment & Supplies Mfrs
3269-04 Ceramic Products Decorative Mfrs
3269-05 Pottery Manufacturers
3269-06 Furniture Accessories Decor Mfrs
3269-99 Pottery Products Nec
3271-01 Concrete Blocks & Shapes Manufacturers
3271-02 Cinder Blocks
3271-98 Concrete Block & Brick
3272-01 Concrete Prestressed
3272-02 Concrete Products Manufacturers
3272-03 Fireplaces Manufacturers
3272-04 Fountains Garden & Display & Etc Mfrs
3272-05 Grease Traps Manufacturers
3272-06 Septic Tanks Manufacturers
3272-07 Stone Cast Manufacturers
3272-98
3273-98 Ready-Mixed Concrete Manufacturers
3274-98 Lime
3275-01 Gypsum & Gypsum Products
3275-02 Plaster Products
3281-01 Granite Mfrs
3281-02 Marble Natural Manufacturers
3281-03 Stone Natural Manufacturers
3281-04 Monuments Manufacturers
3281-05 Tile Marble Manufacturers
3281-06 Flagstones
3281-07 Stone Cutters
3281-08 Blackboards Manufacturers
3281-98 Cut Stone & Stone Products
3291-01 Grinding Wheels
3291-02 Abrasives Manufacturers
3291-03 Aluminum Wool Manufacturing
3291-04 Grinding Wheel Dressers
3291-98 Abrasive Products
3292-01 Asbestos & Asbestos Products Mfrs
3292-02 Asbestos & Asbestos Free Products
3292-98 Asbestos Products
3295-01 Slag
3295-02 Graphite
3295-03 Talc
3295-04 Pumice
3295-98 Minerals & Earths Ground Or Treated
3296-01 Fiber Glass Fabricators
3296-02 Acoustical Materials Manufacturers
3296-03 Insulation Manufacturers
3296-04 Energy Conservation Prods Manufacturers
3296-98 Mineral Wool
3297-01 Refractories
3297-98 Nonclay Refractories
3299-01 Mica
3299-02 Ceramic Products Industrial
3299-03 Crystals Industrial Manufacturers
3299-04 Plaques Manufacturers
3299-05 Art Goods Manufacturers
3299-06 Arts & Crafts Supplies Manufacturers
3299-07 Stucco Manufacturers
3299-99 Nonmetallic Mineral Products Nec