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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
cladding of metal for construction and building; metal tubing; ducts and pipes of metal for central heating installations; elbows of metal for pipes; metal pipes; metal junctions for pipes; metal pipe clips, collars, connectors, couplings, joints, and fittings; metal storage tanks; pressure vessels made of metal alloys, namely, pressurized metal fluid storage tanks, pressurized metal gas storage tanks; roof guards made of metal
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
hvac units
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37
Building construction; repair; installation services
building construction, remodeling, and repair; construction consultation; construction of clean rooms; construction planning; construction project management services; construction supervision; laying and construction of pipelines; pipeline construction and maintenance; general contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, foundation, building, mechanical, paving, plastering, and framing contractor services; installation, repair, and maintenance of plumbing; hvac contractor services; inspection services in the course of construction of buildings, clean rooms, plumbing, and ventilation systems; polishing of metal pipes and tubing
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40
Treatment of materials
custom manufacturing in the field of sheet metal shaping, cutting, and fabrication; custom manufacture of steel pipe and tubing; custom manufacture of framing, piping, and support structures for industrial equipment systems
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
architectural and engineering services; consulting in the fields of engineering and architecture; custom design and engineering of clean rooms, hvac systems, and plumbing systems; inspections of plumbing and ventilation systems; testing and inspection of clean rooms of others for certification purposes; inspecting and testing of welding of others for certification purposes; purge gas monitoring