Electric, radio telecommunication and public address apparatus and instruments, namely,access control systems comprised of electronic token readers, electronically operated locks, and magnetically encoded tokens for use with the electronic token readers to admit people to buildings or areas of buildings; worker protection systems, namely, mobile handheld radio beacons for transmitting emergency distress signals and antennae for receiving emergency distress signals; radio pagers; computer programs for controlling building access and building security systems, and for notifying building emergency services; electronic computers; electronic data processors; electronic data input and output apparatus for use with computers and data processing apparatus namely, magnetic, optical, or electronically coded cards and disc readers and writers; computer software for operating, controlling, and monitoring access control, security and safety systems; electronic safety and security apparatus and instruments, namely intruder and fire alarms, and personnel tracking systems comprised of portable position and location transmitters and fixed receivers; access control systems comprised of magnetic encoded card readers, electronically operated locks, intruder alarms, and magnetically encoded identification cards for use in buildings and other secure environments; computers, electronic data processors, and control units comprised of microprocessors, for controlling electronically operated locks and doors in access control systems; network access control systems comprised of electronically operated looks and magnetic encoded identification card readers connected to a computer network; computer tokens, namely, magnetically encoded electronic identification tags to be read by access control units to permit access through doors; blank magnetic data carriers; pre-recorded magnetic data carriers featuring personnel identification information for use in access control systems

Installation, maintenance and repair of computers, computer systems, microprocessor based control apparatus, token reading apparatus, electronic access control systems and electronic authorization systems; installation, maintenance and repair of access control and alarm monitoring systems; maintenance of access control systems, authorization systems, and alarm systems

Educational services, namely, providing workshops, seminars, classes, and training programs in the fields of electronic access control and monitoring systems, computer systems; and alarm systems

Design and updating of computer software for others; maintenance and rental of computer software; computer rentals; computer programming for others; design of computer hardware for others; computer hardware and software consultation; consulting services in the fields of computer-controlled electronic access control and authorization systems, and alarm systems, namely consultation in the field of design of electronic access control, and alarm systems; computer systems analysis; technical and computer support services, namely, troubleshooting of computer hardware and software systems, monitoring of network systems for technical purposes, and providing back up computer programs and facilities; design and updating of computerized access control systems, authorization systems, and alarm systems; and consulting service in the field of design of access control systems, authorization systems, and alarm systems; consultation services in the field of design of computer hardware and software systems for others

Rental of access control systems, authorization systems, alarm systems