42 Design and development of home and commercial security and access systems; Custom design of computer software used for creating security hardware, managing mechanical and electrical specifications, managing bids and quotes and tracking customer orders and projects in the fields of security and safety; Consultation services in the nature of design of home and commercial security and access systems, featuring architectural hardware and electronic access products, namely, automatic openers for swinging and sliding doors, automatic time switches, door guards, door controllers, door and cabinet pulls, door condition monitoring consoles, door entrance sets, door escutcheons, door fasteners, door handle sets, door closers, door holders, door knobs and levers, door knockers, door push plates, door silencers, door stops, electrically operated audio and visual alarms, switches and door release devices, electromagnetic locks, electronic security equipment, exit door control devices, key operated switches, magnetic latch releases, metal door and window control devices, manually operated latches, manually operated locks, optical door viewers, latch sets, push button coded switches, push plates, rim locks, security bolts, solenoid operated bolts, window fasteners, window lifts and window locks, along with technology specification services for such hardware and electronic access products