Commercial
- Branch Banking & Trust (BB&T)
- CB Richard Ellis
- LabCorp
- Liberty Property Trust
- Sunrise Assisted Living
- Transit Employees Federal Credit Union
- Mall Properties, Inc.
Education
K-12- Arlington Public Schools
- Williamsburg-James City County Public Schools
- Roanoke Public Schools
- Montgomery County Public Schools
- Fauquier County Public Schools
- Richmond Public Schools
Higher Education
- Virginia Polytechnic Institute and State University
- University of Virginia
- West Virginia University
- George Mason University
- New York Law School
- Dillard University
- Duke University
- Duquesne University
- North Carolina State University
- University of Maryland
- James Madison University
- Old Dominion University
Government
Municipal- Maryland-National Capital Park & Planning Commission
- Massachusetts Water Resources Authority
- Maricopa County
- Loudoun County Public Schools
- Fauquier County Parks and Recreation Department
- Denver Colorado Transit Authority
- District of Columbia Department of Public Works
- Dallas Area Rapid Transit (DART)
- City of Virginia Beach
- City of Los Angeles
- City of Raleigh
Federal
- Architect of the Capitol
- Department of Defense: U.S. Army Corps of Engineers: Savannah District, Baltimore District, Norfolk District; Naval Facilities and Engineering Command (Navy & USMC); National Geospatial Intelligence Agency; Defense Logistics Agency; DIA
- Department of State: Bureau of Overseas Building Operations
- Department of Homeland Security: U.S. Customs and Border Protection; U.S. Coast Guard; U.S. Customs Service
- Department of Justice: Federal Bureau of Investigation;
U.S. Marshals Service - Department of the Interior: National Park Service
- Department of Transportation: Federal Highway Administration Independent Agencies: General Services Administration, U.S. Postal Service, Office of Personnel Management
Judicial
- Fairfax County Government
- U.S. Department of State
- U.S. General Services Administration
- Pennsylvania Department of General Services
- Fauquier County Government
Healthcare
- National Institutes of Health
- University of Virginia Hospital
- Ft. Belvoir Community Hospital (USACE)
- Sibley Memorial Hospital
- San Antonio Military Medical Center (USACE)
- Battle Creek Healthcare System
- Cheverly Health Center
- Loris Healthcare System
Power & Energy
- Sarlux IGCC
- Belleville
- Colver
Transportation
Mass Transit- Durham Area Transit Authority
- Maryland Transit Administration
- Hampton Roads Transit
- Loudoun County Transit and Maintenance
Airport
- Ronald Reagan National Airport
- Washington Dulles International Airport
- Raleigh-Durham International Airport
- Norfolk Airport Authority
- Roanoke Regional Airport Commission
- Transportation Security Administration
Roads and Bridges
- Virginia Department of Transportation
- North Carolina Department of Transportation
- Ohio Department of Transportation
- Maryland State Highway Administration
- North Carolina State Highway Patrol
- Alabama Department of Transportation
- Maryland Department of Transportation
- District of Columbia Department of Transportation
- Florida Department of Transportation
Water/Wastewater
- Arlington County Wastewater
- District of Columbia Water and Sewer Authority
- Massachusetts Water Resources Authority
- Hominy Creek Waste Water Facility
- Blue Plains Wastewater Treatment Plant
