Z.S. Engineering DPC is a professional engineering corporation in Floral Park, New York, established in 1989. It designs and inspects fire detection and voice communication systems, sprinkler and suppression systems, and smoke control systems. It also prepares code compliance studies, fire safety evaluations of existing buildings, code consulting and violation removal, and represents clients before local authorities. Its staff include licensed Professional Engineers, one of them in fire protection, and NICET-certified technicians. The principal also acts as an expert witness in fire cases.