ED3 provides high quality consulting services to both the public and private sectors. Our engineers, architects, designers, surveyors and technical professionals have decades of practical experience in electrical, instrumentation and controls, piping, chemical, mechanical and civil engineering as well as utilities, surveying and inspection services. Our highly personalized approach to project management and coordination is our key to successfully executing an entire project from concept through start-up. We have performed services for an exceptional group of clients including the Allegheny County Airport Authority, Metropolitan Washington Airports Authority, Port Authority of Allegheny County, Veterans Affairs, Erie Metropolitan Transit Authority, Allegheny County Sanitary Authority, Butler County Transit Authority, Pittsburgh Water and Sewer Authority, City of Pittsburgh, Sports and Exhibition Authority and Valley Metro Rail. With offices in Washington PA, State College PA, Philadelphia PA, Bethesda MD and Phoenix AZ, ED3 is dedicated to making things happen with consistent quality results for our clients.