Cleaning services; chemical cleaning services; cleaning of industrial and commercial premises; cleaning of kitchen exhaust systems and affiliated parts within systems; cleaning of roofs, dryer vents, pots and pans, flooring, restrooms, garages, drains, bars, awnings, patios, and dumpsters; removal of surface and waste water; degreasing and cleaning services using solvent and vapor technology; indoor air diagnostic services and monitoring and consulting relating thereto for the interiors of buildings owned by others; installation, maintenance and repair of air handling units, namely, make-up air units for heating, cooling and ventilating; installation, maintenance and repair of access panels; fan, motor and belt replacement services for restaurant filtration equipment; construction and repair of curb extensions or reductions for restaurant filtration equipment; grease containment services; filter exchange services; plumbing services; steam cleaning services; electrical contracting; consulting services in the field of commercial cleaning

Fabrication services, namely, repairs to hinge kits, metal curbs, and repairs to filters generally; welding services

Providing after sales support of water disinfection equipment; Operating a business selling: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers; Providing after sales support of potable water sterilization, water filtration and water monitoring equipment for the aviation industry.

Providing after sales support of water disinfection equipment; Providing after sales support of potable water sterilization, water filtration and water monitoring equipment for the aviation industry; Operating a business servicing: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers; Consulting and advising others on the operation, service and repair of: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers.

Operating a business manufacturing: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers; Consulting and advising others on the manufacture of: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers.

Operating a business designing: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers; Consulting and advising others on the design of: potable water sterilization, water filtration and water monitoring equipment for the aviation industry, water purification systems, namely, water filters, ultraviolet sterilizers, ion exchange units and reverse osmosis equipment, parts and accessories for water purification systems, namely, fans, timers, tanks, pressurization systems, pumps, filtration units, disinfection units, connectors and piping, thermal control units, replaceable filter cartridges, pH adjustment filters, sand media filters, ultraviolet lamps, and flushing systems, water distribution systems used in aircraft, ships, motor vehicles, trains, and buildings, and appliances, facilities and equipment that treat, distribute or utilize water and other liquids, namely, showers, baths, sinks, toilets, and humidifiers.

Rental of containment systems for liquid spills or releases, namely, containment of spills or releases of petroleum, natural gas, and related hydrocarbons using systems made of durable polycarbonate plastic and a powder coated aluminum basin and a permanently attached urethane seal;