Chemicals for use in industry and science; chemical compositions for use in construction, namely, chemical solids and liquids used in the construction; additives for use in the manufacture of fireproof construction materials and heat-insulating materials, and refractory sand for use in metallurgical processes, in inorganic melt processes, in heat-treatment processes, and as construction materials; chemical additives for use as binding agents in concrete; agglutinants for concrete; luting sand; foundry sand
ChemicalsBuilding and construction materials and elements of metal, namely, building blocks, boards, panels, slabs, flashing and soffits of metal for building; refractory construction materials of metal
Metal GoodsIndustrial treatment installations, namely, furnaces for heat treating and production of inorganic melts, and ionization apparatus for the treatment of liquids and gases for industrial use; industrial cooking ovens; furnaces for melting metals
Environmental Control ApparatusNatural stone; rock materials used in building flooring, roofing, countertops, walls, cladding and fireplaces; non-metal slabs of clay and minerals for building or construction; pitch, tar, bitumen and asphalt; spackling compound; building and construction materials and elements, not of metal, namely, building cladding, panels, slabs, flashing not of metal for building and construction; refractory construction materials, not of metal; concrete; fireproof cement coatings; stones; cement, concrete and motor mix; refractory furnace linings of non-metallic materials; ceramic bricks; ceramic tiles; ceramic drawing pipes; ceramic shapes for lining metallurgical refractory furnaces; prefabricated non-metal buildings; sand
Nonmetallic Building MaterialsBuilding, construction and demolition; installation, cleaning, repair and maintenance of industrial machinery and industrial ovens, not for food and beverages; application of coatings to internal furnace walls; mining extraction of natural resources, namely, minerals and rock; mining extraction of uranium and copper; mining extraction; open-cast mining extraction services
Building Construction and RepairTransport of goods; transportation and delivery of goods; delivery of building materials; delivery of building materials made from mixtures for admixture to building materials
Transportation and storagePublishing of books, magazines; news syndication reporting; writing of articles for periodicals other than for advertising or publicity; educational services, namely, developing, arranging, and conducting educational conferences and programs and providing courses of instruction in the field of building and construction; training services in the field of building and construction; entertainment in the nature of building and construction games
Education and EntertainmentScience and technology services, namely, analysis and testing of industrial processing installations in the field of heat treating and in the field of production of inorganic melts; research and development of technology in the field of building and construction; testing the functionality of machines in the nature of manufacturing machines; testing the structural properties of building and construction materials to assure compliance with construction industry standards; engineering services; engineering consultancy in connection with the use and properties of building materials; authentication in the field of building and construction industry; quality control for others
Computer and Scientific