37 Building construction; repair of buildings, facades, lightning, pipe insulation, water pipes, door openers, floor tiles, solar heating system, ventilation equipment, water supply equipment, wooden floors, dust extract constructions, heating apparatus, wall coverings, windows, fire alarms, kitchen devices, kitchen cabinets, plumbing, cooling equipment, safety equipment, communication equipment, door closers, gypsum panels, fire safety equipment, air conditioning, door frames, window blinds, doors and windows; installation of building materials, facades, isolation materials, lightning, pipe insulation, water pipes, door openers, floor tiles, solar heating system, ventilation equipment, water supply equipment, wooden floors, dust extract constructions, heating apparatus, wall coverings, windows, fire alarms, kitchen devices, kitchen cabinets, plumbing, cooling equipment, safety equipment, communication equipment, door closers, gypsum panels, fire safety equipment, air conditioning, door frames, window blinds, doors and windows; installation of equipment for kitchen and sink; building construction supervision; building construction information; rental of construction equipment; janitor services; building maintenance; real estate property maintenance; building maintenance and repair consultancy; consultancy related to building and real estate property maintenance; construction supervision, namely, providing administration of building and real estate property maintenance services