37 Installation, replacement, repair and maintenance of, automatic, swinging, revolving and balanced doors, parking and revenue control systems, integrated audio, CCTV (closed circuit television) and access control systems, fire and burglary alarm monitoring systems, door hardware, namely, locks, closers, and panic devices, security access systems, KVAR (Kilovolt-Ampere Reactive) energy controllers for optimizing power consumption, building management systems for controlling and regulating HVAC systems, lighting systems and access controls and upgrades for such systems, overhead rolling grilles and doors, gates, loading dock equipment, storefronts and glass doors, windows and patio doors, shower enclosures, mirrors and building glass, application of solar and graffiti resistant films; repair and maintenance services, namely, scratch removal for glass and doors; Installation of skylights; installation, repair and maintenance of computers and computer peripherals