Water treatment chemicals for use in swimming pools and spas; Water treatment chemicals, namely, sizing agents; Water treatment minerals for use in swimming pools and spas; Bacteria for waste water treatment; Chemicals for the treatment of water and wastewater; Chemicals for the treatment of hot water systems; Chemicals for use in water treatment; Waste water treatment chemicals for industrial use

Stainless steel pipes; Valves of metal other than parts of machines including those from alloy steel and titanium; Valves of metal, other than parts of machines; Water treatment equipment, namely, metal water storage basins for collecting and storing water; Manually operated metal valves; Metal valves not being parts of machines; Water-pipe valves of metal

Valves as machine components; Valves being parts of machines; Valves for pumps; Water treatment equipment, namely, pumps for use in irrigation systems; Angle valves being parts of machines; Back pressure valves as parts of machines; Ball valves being parts of machines; Butterfly valves being parts of machines; Dispensing valves being machine parts; Hydraulic valve actuators; Mechanical winders and machines for forming coils with pipes made of plastic materials; Metal valves used in cleaning machines for gas turbine and combustion engines; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Pneumatic valve actuators; Proportional flow valves as parts of machines; Pump control valves; Thermostatic control valves for machines

Flow switches for monitoring and controlling the flow of gases or liquids; Automatic valves; Automatic liquid-flow control machines and instruments; Automatic valves for flow control; Control valves for regulating the flow of gases and liquids; Electric valve actuators; Electrical controls for irrigation sprinkler systems; Electro-optical instruments for use in inspection and measurement of industrial components; Electronic instruments for use in remote inspection and measurement of industrial components using remote visual devices; Electronic valves for controlling gas or fluids; Expansion valves for fluid control; Fitted noise reduction holed plates for control valves used in regulating the flow of gases and liquids; Measuring instrumentation and apparatus, namely, digitizers; Metering orifices, namely, orifice plates for metering or controlling the flow rate of liquids; Oil well Christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; Pressure indicating plugs for valves; Pressure indicator plugs for valves; Safety valves for flow shutoff in well construction; Tool measuring instruments; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; Water testing instrumentation for monitoring and detecting contamination; Water treatment equipment, namely, devices connected to a water distribution line, which automatically injects a predetermined proportion of fertilizer into an irrigation system used by a greenhouse complex; Water treatment equipment, namely, fertilizer injection devices which connect to a water distribution line, which automatically injects a predetermined proportion of fertilizer into an irrigation system used by a greenhouse complex; Water treatment equipment, namely, fertilizer injection units, namely, devices connected to a water distribution line, which automatically injects a predetermined proportion of fertilizer into an irrigation system used by a greenhouse complex

Valves as part of radiators; Valves being parts of lawn sprinkler systems; Valves for air conditioners; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water; Water treatment equipment, namely, water filtration units; Water treatment equipment, namely, water filtration units and reverse osmosis units; Water treatment equipment, namely, cartridge filtration units; Water treatment equipment, namely, chemical sterilization units; Water treatment equipment, namely, reverse osmosis filtration units; Water treatment equipment, namely, reverse osmosis units; Water treatment equipment, namely, ultraviolet sterilization units; Water treatment unit for aerating and circulating water; Air valves for steam heating installations; Apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; Chlorinating units for water treatment; Drainage water treatment tanks; Flushometer valves; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Manually-operated plumbing valves; Microbubble generators for waste water treatment; Plumbing fittings, namely, valves; Plumbing fittings, namely, shower control valves; Plumbing fittings, namely, tub control valves; Regulating accessories for water supply, namely, metered valves; Shower mixing valves; Steam valves; Sustainable onsite water recycling and wastewater treatment systems; Thermostatic valves; Thermostatic valves as parts of heating installations; Waste water treatment tanks; Water control valves for faucets

Flexible plastic pipes for conveying natural gas; Flexible plastic pipes for plumbing purposes; Flexible plumbing pipes of plastic

Water treatment equipment, namely, non-metal water storage basins for collecting and storing water; Building materials, namely, plastic pipe supports; Non-metallic drainage pipes; Polyethylene pipe used in geothermal heating and cooling systems; Rigid pipes of polypropylene for the supply of drinking water and heating and air conditioning systems in houses, office buildings and industrial buildings; Water-pipe valves, not of metal or plastic

Manually operated ceramic valves other than parts of machines; Printed plastic labels for use in identifying and marking the contents of pipes

Pump repair and maintenance; Consulting services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Installation and maintenance of irrigation systems

Treatment of waste water; Water treatment and purification; Water treatment services; Biological waste water treatment services; Consulting in the field of water treatment; Consulting services in the field of water treatment; Continuous biological water treatment services; Rental of water treatment equipment; Sustainable on-site water recycling and wastewater treatment services; Waste water treatment services; Waste water treatment services for industrial purposes

Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities