Porter Instrument Co., Inc. 245 Township Line Road Hatfield, Pennsylvania 19440 Tel: 800-457-2001 Designs, builds and exports office communications systems designed to allow two-way communications within office buildings. Offers a variety of models & accessories, including desk and wall units, power supplies, high resolution metering valves, liquid & gas flow meters, control valves, mechanical flow controllers, pressure regulators, mass flow controllers & pressure controls. Applications include petrochemical, water treatment, paper, semiconductor, air/water pollution control, medical/healthcare, chemical & dental applications. Markets: US, Canada, Mexico, South America, UK, Western Europe, EU, Australia, China, Japan, India, Pacific Rim, South Africa & Middle East. Category: Office Communications Systems Copyright © Industrial Leaders All rights reserved.  Privacy Statement Please read important copyright notices and disclaimers information.