# PSI Process / Pumping Services, Inc. PSI Process / Pumping Services, Inc. is an employee-owned water and wastewater treatment company based in Middlesex, New Jersey, with over 50 years of industry experience since 1970. Serving New Jersey, New York, Pennsylvania, New England, Maryland, and Delaware, the company provides comprehensive pumping and treatment solutions for municipal, industrial, and private systems. The company specializes in process equipment, pump systems, water treatment solutions, controls system integration, flood control, emergency bypass pumping, and equipment rentals. PSI Process also offers shop repair services and field services for ongoing maintenance and support. Following its 2024 acquisition of E&W Equipment—a manufacturer's representative based in Moosic, Pennsylvania—PSI expanded its service capabilities and process expertise. The combined operation now delivers custom-engineered solutions for complex water treatment challenges. Led by President Bryce Parkhurst and supported by experienced professionals including newly integrated President James Connor, PSI Process maintains partnerships with leading manufacturers and is committed to cost-effective, reliable service across the Northeast.
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