Non-metal construction materials, namely beams, bricks, ceiling panels, cement mixes, ceramic shapes for use in refractory furnaces, concrete blocks, concrete bricks, concrete slabs, concrete and earthenware drain pipes, earthenware tiles, fiberboard, fireplace bricks, fireplace mantels, fireplace surrounds, forms for use in casting, hardboard, limestone, mortars, pitch, plaster, roofing cement, roofing felts, stones, wall boards; unshaped ceramic masses and shaped ceramic workpieces, clay, mortar, cement; glass for building purposes, namely insulated glass, safety glass, window glass, glass panels, glass panes; wood for building purposes, namely wood beams, wood joints, wood joists, wood moldings, wood panels, wood posts, wood siding, wood tile floors, wood veneer; plates for building purposes, namely non-metal ceiling panels, non-metal wall panels, non-metal roofing panels, glass panels, concrete blocks, non-metal floor tiles, hardboard, fiberboard, wall boards; bricks for building purposes; concrete; inorganic and organic binders, namely binders for anorganic compound systems; refractories, namely refractory blocks, refractory castable and ramming mixes, refractory furnace linings, refractory shapes; ceramic foundry molds, sand; artificial bricks, namely concrete bricks, ceramic bricks; tiles, namely ceramic tiles, floor tiles, glass tiles, gypsum tiles, roofing tiles, paving tiles, plastic tiles, wall tiles; refractory bricks; non-metal tubes and pipes for building purposes made of concrete, earthenware, refractories or sandstone; asphalt; pitch; bitumen, namely bitumen asphalt, bitumen masses, bituminous foils and shingles, bitumen sealants for driveways and roofings; portable non-metal buildings

Building services, namely building construction and repair, building inspection in the course of building construction, construction management, construction planning, installation of electrical systems and appliances, installation of building insulation, installation, maintenance and repair of machinery and equipment, installation, repair and maintenance of furnaces and heating equipment; repair of industrial installations, especially kilns and furnaces; installation of electrical systems and appliances, building insulation, machinery and equipment, furnaces and heating equipment

Scientific and industrial research; performance of chemical and physical analysis; architectural design for others; engineering; preparation of technical expert opinions in the field of scientific and industrial research; technical consultation in the field of project planning