Fidelis Engineering, Inc. is a multi-disciplined civil and geotechnical engineering firm based in the Philadelphia area. We have expertise in geotechnical, structural, and environmental engineering. Our engineers bring a wealth of construction and consulting experience, bringing you the highest quality guidance and designs while understanding your need
David A. Weightman, PE graduated from West Virginia University College of Engineering with a BSCE in 1974 and received his PE in 1979. He went on to work for large engineering and construction firms designing steel mills, power plants, and pharmaceutical facilities. In 2002, David started Downingtown Engineering Consultants, Inc. DEC provided structural
Commonwealth Engineers, Inc. (CEI) is a corporation established to provide extensive planning, surveying, and civil engineering services to both the private and public sectors. Commonwealth Engineers, Inc. was established in 1996 and just celebrated our 20 year anniversary. Together with our professional staff, we have practical experience in the design