Construction and repair of buildings of all types; laying and construction of pipeline; custom construction and building renovation; installation of roofing systems and energy, water, and waste water systems

Non-metal down spouts; non-metal sewer pipes; non-metal ducts; non-metal gutter pipes; non-metal gutters; non-metal water pipes

Rubber rings for pipe connections; gutta-percha; semi-worked gum; asbestos and mica in bars, blocks, pellets, rods, sheets, and tubes for general industrial use; extruded plastic in the form of bars, blocks pellets, rods, sheets, tubes, pipes for use in manufacturing; plastic pipes for conveying air, gas, water; plastic pipes for plumbing purposes; adhesive sealant and caulking compound for industrial and commercial use; adhesive tape for industrial and commercial use; non-metal airhoses and ...

Air filters and air purifying units for industrial or commercial use; water filtering units for commercial use; dripper irrigation systems composed of valves, filters and regulators; plumbing fixtures and supplies, namely, sink traps, valves, sink strainers; waste water and water purification treatment units, all of the foregoing sold to the building construction industry and to governmental agencies

Metal pipes and fittings therefor; metal roofing and metal roofing panels; metal flooring; metal ceiling panels; metal beams; metal ventilating ducts; metal gutters; metal conduits for drainage, irrigation, and plumbing

Air filters and air purifying units for industrial, domestic or commercial use; water filtering units; dripper irrigation systems composed of valves, filters and regulators; plumbing fixtures and supplies, namely, traps, valves, strainers; waste water and water purification treatment units, all of the foregoing sold to the building construction industry and to governmental agencies

Air filters and air purifying units for industrial or commercial use; water filtering units for commercial use; dripper irrigation systems composed of valves, filters and regulators; plumbing fixtures and supplies, namely, bibbs, traps, valves, strainers; waste water and water purification treatment units, all of the foregoing sold to the building construction industry and to governmental agencies

Rubber, gutta-percha, gum, asbestos and mica in bars, blocks, pellets, rods, sheets and tubes for general industrial use; extruded plastic in the form of bars, blocks pellets, rods, sheets, tubes, pipes for use in all manufacture; plastic pipes for conveying air, gas, water; plastic pipes for plumbing; adhesive sealant and caulking compound for industrial and commercial use, adhesive tape for industrial and commercial use; non-metal airhoses and non-metal compressed air pipe fittings; buildin...

Non-metal down spouts, non-metal sewer pipes, non-metal ducts, non-metal gutter pipes, non-metal gutters, and non-metal water pipes

Construction and repair of buildings of all types; laying and construction of pipeline; custom construction and building renovation; installation of roofing systems, energy, water, and waste water systems

Metal pipes and fittings therefor, metal roofing and roofing panels, metal flooring, metal ceiling panels, metal beams, metal ventilating ducts, metal gutters, metal conduits for drainage, irrigation, and plumbing

Metal pipes and fittings therefor, metal roofing and roofing panels, metal flooring, metal ceiling panels, metal beams, metal ventilating ducts, metal gutters, metal conduits for drainage, irrigation, and plumbing