D and E was founded in 1978 with the primary goal of providing quality Architectural, Civil and Structural Engineering Services for our national corporate clients. By providing these essential components in-house, D and E has continued to offer seamless architectural and engineering design on a wide array of projects types and sizes. We have consistently grown and evolved over the past 42+ years, yet we remain committed to our core doctrine, which is to focus on our clients' success. Our managing partners have over 100 years of combined professional experience and hold licenses in all 48 states in the continental U. S. and the District of Columbia.