Keystone Engineering Group, Inc. is a full-service engineering firm specializing in water, wastewater, electrical, instrumentation & mechanical projects for industrial, municipal & commercial interests.

Located in Exton, Pennsylvania, Keystone supplies services for projects located primarily in Pennsylvania, New Jersey, New York and Delaware.  Keystone is a fully insured, privately held corporation that is actively growing at a rate of 20% per year.  Our track record of being repeatedly rehired by other consulting engineers, municipalities and industrial clients speaks volumes about the quality of our work and the results of our installations.

Our many years of experience as engineers and designers provide our clients cost-effective solutions to their utility and infrastructure needs. We pride ourselves in providing comprehensive design services and intelligent construction management.