Celebrating our 48th year in business! Charles P. Johnson & Associates, Inc. (CPJ) is a full-service civil engineering firm p ... roviding quality Land Planning, Civil and Environmental Engineering, and Surveying Services to the public and private sector since 1971. Our tenured staff brings over 200 years of combined expertise to your project so you have peace of mind that we'll be there from start to finish, making sure you are satisfied throughout the project. CPJ’S client-focused culture demands we provide the highest level of customer service, superior products, and prompt delivery. From our mixed-use development of Clarksburg Village in Montgomery County, MD, to our gated community of Oak Creek in Prince George’s County, MD, our legacy projects showcase our expertise. For almost 50 years, our trusted partners and clients rely on us to get the job done -- on time and within budget -- with innovative approaches to problem solving and state-of-the-art technology. Our services are backed by a commitment to excellence that is bar none. With five offices strategically located around the Beltway, we’re able to deliver large-scale projects using our local expertise and trusted relationships in the community. Our motto is “Crafting a Shared Vision of Success,” and our award-winning clients trust and depend on us to deliver. Let us help you meet your success targets! Annapolis | Frederick | Gaithersburg | Greenbelt | Silver Spring | Fairfax, Virginia *We are certified as a Prince George's County, MD "County-located" business* read more