Since 1966, GPI has designed, managed and supported our clients on a wide array of projects. We’re employee-owned, known for our technical knowledge and commitment to getting each job done well. Our widely-recognized quality of service rises from the talent and energy of our exceptional team. The work ethic and dedication of the men and women at GPI allow us to deliver consistent, quality service to government agencies, municipalities, architects, commercial developers, and property owners.
Corporate Office: 325 West Main Street
Babylon, New York, 11702