Profile: Perey Turnstiles, Inc., designs, manufactures & sells tripod-turnstiles, drop-arm-turnstiles, optical-turnstiles and gates. The brands we offer include Perey Turnstiles™. The drop arm turnstile has one long passage barring arm or two mid-length arms. It has an array of cabinet mounted sensors and emitters. The sensor array provides a reasonably effective deterrent against multiple entries. One drop arm turnstiles can be installed in a bank or as the accessible entry/exit in a bank of turnstiles to allow ease of passage of those with physical challenges, strollers and delivery persons with carts. It is available in a wide variety of cabinet shapes and materials. Automated ticketing turnstiles is a user-friendly ticket scanning turnstiles that can achieve self-service ticketing.