Public Sector Clients
- Baltimore County, Maryland
- Beaufort County, S.C.
- Calvert County, Maryland
- Capital Area MPO, TX
- Charles County, Maryland
- City of Hyattsville, MD
- District DOT
- Fairfax County, VA
- Faquier County, VA
- Federal Highway Administration
- Fort Meade DPW, MD
- General Services Administration
- George Washington Regional Council
- Hilton Head Island, SC
- Long & Foster
- Loudoun County, VA
- Maryland Mass Transit Administration
- Maryland State Highway Administration
- Metropolitan Washington Council of Governments
- Montgomery County, MD
- North Texas Tollway Authority
- Northern Virginia Transportation Commision
- Prince George's County, Maryland
- The Maryland National Capital Park & Planning Commision
- Town of Leesburg, VA
- U.S. Airforce
- U.S. Department of justice
- University of Maryland at College Park
- US Corps of Engineers
- US Department of Energy
- Virginia Department of Rail and public Transit
- Virginia DOT
- Virginia Railway Express
- Warren County, VA
- Warrenton, VA
Private Sector Clients
- ATCS
- Bechtel Corporation
- CH2M Hill
- Cherrywood Development
- Cheasapeake Bay Foundation
- CINTRA, TX
- Crawford, Bunte, Brammeier, MO
- Dan Ryan Builders
- Dewberry & Davis
- Dulles Transit Engineers, VA
- Enviromental Defense Fund
- Exxon Corporation
- Germantown Partnership
- Gersh & Danielson, CO
- Howard Needles Tammen & Bergendoff
- IBM Corporation
- ICF Kaiser Engineers, Inc.
- IDC
- IT Corporation
- Jacob Civil
- Johnson Mirmiran and Thompson
- Kingstead Manor Joint Venture
- LDR International
- Lerner Enterprises
- LTK Architects
- McCormick Taylor
- Midland Companies
- North Village 270 Ltd Partnership
- PEPCO
- Quality Built Homes, Inc.
- Racetrack Oil
- RK& K Engineers
- Shell Oil Company
- Southland Corporation
- The Tides Foundation
- Maryland Mass Transit Administration
- The Tides Foundation
- Trammel Crow, Inc
- VHB
- Walgreens
- Wallace Montgomery
- Winchester Homes
- Woolpert Consultants, Inc