C. Tyrus Clayton

At Draper Aden Associates, Lasting Positive Impact® is more than a slogan, it represents and embodies the core culture and belief that each day gives them an opportunity to leave our mark on the world. With nearly 50 years of experience providing civil, environmental, geotechnical, solid waste, and structural engineering, surveying, and subsurface utility engineering, site planning and engineering, and construction inspection services throughout the Mid-Atlantic region.