Service. Innovation. Value Powered by the quality, integrity and creativity of our people. DCI+MacIntosh Engineers delivers exceptional structural design solutions to our partners in the architectural and construction industry performing as the East Coast division of DCI Engineers based in Seattle, Washington. DCI+MacIntosh Engineers has offices in Wilmington, Delaware and Wayne, Pennsylvania. We provide responsive service with a commitment to project to the Owner’s goals and expectations. We believe this philosophy and our desire to form long-term relationships with our clients are what have made us an industry leader in our discipline.