Cleaning of commercial premises in the fields of manufacturing, laboratories and maintenance facilities; cleaning of residential houses; cleaning of floors and carpets; cleaning of upholstery, windows, and blinds; cleaning of industrial premises; cleaning of machinery; pressure washing services; repair of plaster and drywalls; electrostatic painting; painting building interiors and building exteriors; application of coatings and sealers, namely, textured and high heat coatings, high-solid epoxy finishes, acoustic ceiling texture coatings; painting of machinery; maintenance of heating, ventilation and air conditioning systems; maintenance of filters; washing of laboratory glassware; repair of doors; maintenance of lighting, grounds and parking lots; cleaning of laboratory animal cages; installation of insulation; cleaning of construction sites; repair of masonry and drywall; maintenance of manufacturing plants; snow removal services; maintenance of roofs; planning and laying out of production facilities; refurbishing of office partitions; cleaning of industrial and residential premises before and after moving; installation of office furniture; maintenance of floors; cleaning of floors, namely, waxing of floors; consultation in the field of floor maintenance; polishing of concrete floors; application of color, clear coat coatings and epoxy urethane finishes to floors; power washing services for floors; cleaning of floors, namely, scrubbing and surface preparation; interior and building sealing services, namely, sealing of expansion and foundation joints; pavement marking services, namely, applying safety marking, lettering, numbering and striping, fire equipment and hazard marking, and exit area and special location markings; cutting of concrete floors to manage cracking