37 Buildings maintenance and repair; Contractor services, namely, review and repair of building, plumbing, electrical and mechanical systems for others; Comprehensive preventive maintenance services relating to risk assessment of the physical condition of building, plumbing, electrical and mechanical systems for others; Installation, maintenance and repair of electric appliances, elevators, fire alarms, burglar alarms, irrigation systems, business and office machinery and equipment, computer hardware, electronic apparatus, heating, ventilating and air conditioning apparatus and systems, building insulation, doors and windows, blinds, computer hardware systems, kitchen appliances, security systems, telephone lines, flooring, protective coatings for floors, roofing, lighting apparatus; Installation, changing, replacement and repair of locks; Plumbing and gas and water installation, maintenance and repair; Providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus and equipment; machinery maintenance and repair; furnace and burners maintenance and repair; installation, maintenance, repair of security systems; audio visual equipment and apparatus maintenance and repair; boiler cleaning, maintenance and repair; project management services, namely, construction, refurbishment, maintenance and fit-out project management services in the field of building fabric moves and changes; construction project management; installation, maintenance and repair of CCTV systems, generators, and uninterrupted power supply systems; installation, maintenance and repair of systems for controlling access to premises; installation, maintenance and repair of systems for monitoring premises; handyman and jobbing contracts, namely, building repair and maintenance services; provision of information and advice in relation the maintenance and replacement of office machines and apparatus, building instrumentation and machinery, fire and burglar alarm systems, fire protection systems and heating, ventilating and air conditioning apparatus and systems; maintenance of electrical, communications and engineering facilities; cleaning of buildings; janitorial services; leasing of cleaning apparatus; pump repair; Repair information concerning building infrastructure, plumbing, electrical and mechanical systems; safe and strong room facilities maintenance and repair; vehicle and fleet car maintenance and repair; provision of infrastructure fabric and grounds maintenance services, namely, maintenance of real estate property; asphalting; bricklaying; Installation of building insulation; building sealing; real estate property maintenance and repair; masonry; painting, interior and exterior; plastering; plumbing; building restoration; upholstery repair; window cleaning; chimney sweeping; damp proofing of buildings; construction supervision; rental of construction equipment; construction information; demolition of buildings; information, advisory, supervisory, consultancy and helpdesk services, namely, 24/7 emergency response contractor services, namely, relating to repair of buildings and the fabric of buildings, plumbing, electrical and mechanical systems for others; technical support, namely, the provision of information in relation to the maintenance of electrical and mechanical systems within a property; technical investigations and preparing technical reports, namely, relating to the provision of technical information in relation to the maintenance and management of electrical and mechanical systems within a property, namely, power supply equipment, generators, lighting equipment, heating, ventilation and cooling equipment, building fabric, machinery, security and fire alarm systems, CCTV systems and sprinkler systems for fire protection