Access control and alarm monitoring systems; Communications computers; Communications servers; Computer hardware and recorded software system for remotely monitoring environmental conditions and controlling devices within a building, facility, grounds, or designated spatial area; Road signs, luminous or mechanical; Sensors for determining position, velocity, acceleration and temperature; Sensors for the determination of temperatures, positions and distances; Traffic control equipment, namely,...

Installation of computerised information systems; Installation, maintenance and repair of communications systems; Installation, maintenance and repair of traffic control systems; Installation, maintenance and repair of parking guidance systems; Installation, maintenance and repair of parking information systems; Installation, maintenance and repair of electrical systems; Installation, maintenance and repair of computerised information systems; Installation and maintenance of transportation an...