Representing 65 high-quality manufacturers of water and wastewater treatment equipment in New York and New Jersey, we know that our projects must be well-engineered and competitively priced. With an expanded product line, territory and sales force, GPJ’s product offering includes virtually every biological process, filtration, clarification, disinfection, chemical feed and mechanical equipment available today. Our expert sales force has over 250 collective years of engineering and plant operation experience and are ready to serve our clients with a focused commitment to outstanding customer service.