​​Charles County, Maryland Public Schools

Montgomery County, Maryland Public Schools

University of Maryland

Department of Defense Headquarters

National Institute of Health

National Institute of Standards and Testing

Fort Belvoir, VA​

Fort Detrick, MD

Fort George G. Meade, MD

Naval Support Facility Indian Head, MD

Joint Base Myer - Henderson Hall, VA

Joint Base Andrews, MD

Naval Support Facility Dahlgren, VA

Marine Corps Air Station, Cherry Point, NC

Naval Air Station Patuxent River, MD

Marine Base Quantico, VA

U.S. Food and Drug Administration

Walter Reed National Military Medical Center

Walter Reed Army Institute of Research

Intelligence Community Campus- Bethesda

US Geological Survey

Department of State

General Service Administration

Customs and Border Patrol

Missle Defense Agency

Department of Housing and Urban Development

USACE Washington Aqueduct

Defense Logistics Agency

Smithsonian Institution

Houston Zoo