37 Commercial, residential and industrial maintenance in office buildings, warehouse distribution centers, retail stores, high rise residential units, educational institutions, residences and heavy industrial facilities, namely, cleaning of floors, walls, windows, washrooms, kitchens, carpets and trash removal; office janitorial services; housekeeping, namely, cleaning of residential houses; carpet cleaning; upholstery cleaning; ultrasonic blind cleaning; construction clean up; clean-up of property damage caused by floods; the repair and replacement of broken glass; exterior property services, namely, painting parking lot lines, power street sweeping, and pressure washing of buildings, concrete and equipment; carpet and office furniture repair and maintenance; handyman service, namely, building repair and maintenance; fire extinguisher recharging, repair and maintenance; electrical services in association with office buildings, warehouse distribution centers, retail stores, high rise residential units, educational institutions, residences and heavy industrial facilities, namely, installation, maintenance and repair of electrical systems and equipment; plumbing services in association with office buildings, warehouse distribution centers, retail stores, high rise residential units, educational institutions, residences and heavy industrial facilities, namely, plumbing repair, plumbing installation, plumbing maintenance, and emergency plumbing services, namely, drain rooter services, hydro jetting, leak detection and repair, repair of sewer lines in buildings, drain cleaning, resolution of flooding problems, installation of replacement pipes, washer replacement, clearing of clogged drains, motor replacement, pump replacement, installation of dishwashers, refrigerators, hot water tanks, sinks, faucets, toilets, urinals, eye wash stations, showers and backflow preventors and valve replacements; interior and exterior painting services for office buildings, warehouse distribution centers, retail stores, high rise residential units, educational institutions, residences and heavy industrial facilities, namely, painting of walls, drywall painting, trim painting, pipe code painting, epoxy painting, equipment painting, and aluminum painting; providing consultation and expert advice to customers in office buildings, warehouse distribution centers, retail stores, high rise residential units, educational institutions, residences and heavy industrial facilities on the availability, cost, nature and extent of the building and facilities maintenance services