Science of electric energy management systems in hardware, software and consulting for monitoring devices, transmitting and receiving devices, recording and swtiching devices such as watt-hour meters, percentage switches and control panels.

Wholesale and distribution of plumbing products.

Common metals and their alloys including copper-based alloys resistant to dezincification and alloys which are resistant to corrosion under stress; buildings, transportable, of metal; non-electrical cables and wires of common metal and their alloys; pipes of metal for heating, ventilation and air-conditioning systems; goods of common metals, namely presetting valves, shut-off valves, drainage valves, reset valves, valves for measuring pressure drop in fluids, flow valves, and valves for regulating flow, pressure, and/or temperature of water in pipes, and parts and fittings thereof; valve spindles as machine components; electric, electric motor, electrothermal and electromechanical valve controls for use in machines; apparatus, systems and instruments for weighing, measuring, signaling, automation, control and checking (supervision), namely, portable computer programmed balancing instrument with electronic differential pressure gauge and a micro computer program for measuring, signaling, control and checking of flow and differential pressure, computer hardware, computer operating system software, integrated circuits, and prerecorded software for measuring differential pressures, flow rates and temperatures of fluids within conduits, and parts therefore, all the aforementioned goods for use in heating, cooling, ventilation, water supply, temperature and moisture adjustment, lighting, power supply, air conditioning and security devices in buildings; room thermostats, temperature sensors with tensor of elasticity, liquid or vapor or bimetallic elements; electronic regulators and time controls for controlling valves; power transformers; rheostats; and fire fighting apparatuses, namely, fire hose nozzles, extinguishers, and alarms, and parts therefore; control valves, namely thermostatic valves as parts of heating installations; fittings, one- or two valves and balancing valves for heating, cooling, steam generating, cooking, ventilation, water supply, air conditioning and sanitary systems in buildings; pressure reducing valves, volume regulation valves, metal thermostatic control valves, thermostatic accessories for valves as part of heating and cooling installations; apparatus and installations for degasification of water and for the separation of gas and water, namely regulators for water and gas expansion vessels and pipes; steam valves; manually operated plumbing valves for air conditioners; pipe gaskets; sealants and caulking for joints; non-metallic insulting flanges for water heaters; non-metal pipe flanges; sealing plugs made primarily of rubber for pipes, non-metallic flexible pipes and tubes.

Construction, repair, maintenance and installation of heating, cooling, ventilating, water supply, temperature control, air conditioning and security systems in buildings; education, namely providing seminars and workshops in the field of heating, cooling, ventilating, supplying water, controlling temperature, air-conditioning and security in buildings; scientific research and industrial research in the field of heating, cooling ventilating, supplying water, controlling temperature, air-conditioning and security in buildings; programming and updating computers and software used in the operation of heating, cooling, ventilating, supplying water, controlling temperature, air-conditioning and security in buildings.

Gas/oil/electric boilers, burners, domestic water heaters, chimney materials and fans, hydronic heating pumps and boiler combustion controls.

The sale of gas/oil/electric boilers, burners, domestic water heaters, chimney materials and fans, hydronic heating pumps and boiler combustion controls.

Common metals and their alloys including copper-based alloys resistant to dezincification and alloys which are resistant to corrosion under stress; buildings, transportable, of metal; non-electrical cables and wires of common metal and their alloys; pipes of metal for heating, ventilation and air-conditioning systems; goods of common metals, namely presetting valves, shut-off valves, drainage valves, reset valves, valves for measuring pressure drop in fluids, flow valves, and valves for regulating flow, pressure, and/or temperature of water in pipes, and parts and fittings thereof; valve spindles as machine components; electric, electric motor, electrothermal and electromechanical valve controls for use in machines; apparatus, systems and instruments for weighing, measuring, signaling, automation, control and checking (supervision), namely, portable computer programmed balancing instrument with electronic differential pressure gauge and a micro computer program for measuring, signaling, control and checking of flow and differential pressure, computer hardware, computer operating system software, integrated circuits, and prerecorded software for measuring differential pressures, flow rates and temperatures of fluids within conduits, and parts therefore, all the aforementioned goods for use in heating, cooling, ventilation, water supply, temperature and moisture adjustment, lighting, power supply, air conditioning and security devices in buildings; room thermostats, temperature sensors with tensor of elasticity, liquid or vapor or bimetallic elements; electronic regulators and time controls for controlling valves; power transformers; rheostats; and fire fighting apparatuses, namely, fire hose nozzles, extinguishers, and alarms, and parts therefore; control valves, namely thermostatic valves as parts of heating installations; fittings, one- or two valves and balancing valves for heating, cooling, steam generating, cooking, ventilation, water supply, air conditioning and sanitary systems in buildings; pressure reducing valves, volume regulation valves, metal thermostatic control valves, thermostatic accessories for valves as part of heating and cooling installations; apparatus and installations for degasification of water and for the separation of gas and water, namely regulators for water and gas expansion vessels and pipes; steam valves; manually operated plumbing valves for air conditioners; pipe gaskets; sealants and caulking for joints; non-metallic insulting flanges for water heaters; non-metal pipe flanges; sealing plugs made primarily of rubber for pipes, non-metallic flexible pipes and tubes.

Construction, repair, maintenance and installation of heating, cooling, ventilating, water supply, temperature control, air conditioning and security systems in buildings; education, namely providing seminars and workshops in the field of heating, cooling, ventilating, supplying water, controlling temperature, air-conditioning and security in buildings; scientific research and industrial research in the field of heating, cooling ventilating, supplying water, controlling temperature, air-conditioning and security in buildings; programming and updating computers and software used in the operation of heating, cooling, ventilating, supplying water, controlling temperature, air-conditioning and security in buildings.

Plumbing fittings, namely, metal valves, coupling and joints for piping and hosing; environmental control equipment for automated supervision and control of lighting, heating, cooling, steam generation, cooking, ventilation, water supply, air conditioning, temperature, power supply, security and sewage systems in buildings and components parts thereof, namely, sensing and signalling instruments, circuit boards, timing sensors, computer software for automated regulation of the environment control system, automatic valves, transformers, rheostats, fire sprinklers, and fire alarms (with the exception of moisture in microwave measuring, controlling and sensing apparatus and instruments as well as transducers).

Gas/oil/electric/waste oil and wood boilers, burners, domestic water heaters, chimney materials and fans, hydronic heating pumps and boiler, combustion controls and other items related to hydronic and steam heating and processes.

The sale and maintenance of gas/oil/electric/waste oil and wood boilers, burners, domestic water heaters, chimney materials and fans, hydronic heating pumps and boiler combustion controls.

Pipe unions and couplings, namely, metal pipe unions and metal pipe couplings; metal tee-pipes; and metal venturi pipes; Diffusers for circulating hot and cold water for use in radiant heating and cooling systems sold as integral components of metal floor panels; Hydronic heating and cooling systems comprised of manifolds, manifold accessories, wet and dry system flooring panels, piping, valves, fittings, gauges, controls, hydronic mechanical panels, pumps, air separators, backflow preventers and expansion tanks for distributed water heating and cooling systems, sold as a unit; Ceiling And Floor Panels Of Metal Incorporating Diffusers For Circulating Hot And Cold Water For Use In Radiant Heating And Cooling; washing machine valves; Devices and accessories for use with liquid and gas plumbing, namely, valves, Y-strainers, fittings, polymeric pipe unions, stops, air purgers, air vents, backflow preventers, screens, drains, bibbs, sillcocks, valve locks, valve stops, valve stem extensions, valve handles, faucets, polymeric pipe couplings, and anti-scald fittings; gas burner bars for commercial and residential use; fluid floats; and evaporative cooler valves; Pipe unions and couplings, namely, non-metal pipe unions and non-metal pipe couplings; flexible plumbing pipes of plastic piping; Plumbing fittings, namely, adapters, ball valves, couplers, gate valves, globe valves, hose bibbs, low pressure valves, stop valves, stop and waste valves, thermoplastic valves; Liquid and gas plumbing devices, namely, valves, Y-strainers, pipe unions, stops, air purgers, air vents, tee-pipes, venturi pipes, backflow preventers, screens, drains, bibs, sillcocks, valve locks, valve stops, valve stern extensions, valve handles, faucets, anti-scald valves, and fitting, namely, threaded connectors; gas burner bars for commercial and residential use; washing machine valves; fluid floats for industrial cooling towers, and agricultural water troughs and containers; and evaporative cooler valves; Non-metal pipe couplings; Pipes for use in hydronic heating systems made of polyethylene; Insulated floor panels of foam for circulating hot and cold water in and sold as an integral component of radiant heating and cooling systems; Non-metal pipe fasteners, namely, plastic clip holders and clip rail for securing flexible or rigid pipe and tubing; non-metal pipe collars; Wholesale distributorships featuring plumbing supplies, namely, ball valves, gate, check, low pressure valves and Y-strainers, heating valves, backflow preventers, thermoplastic valves, cast iron valves, butterfly valves, specialty products, wrot copper fittings, cast pressure fittings, bronze pipe fittings and nipples, insert fillings, malleable pipe fittings, black and galvanized pipe nipples, and water service fittings; Training and education, namely, providing workshops, classes, presentations and instruction in the fields of distribution manifolds, mechanical room piping, flooring systems, flooring installation