Prince George's County, Maryland

{{Organization
 * Logo=Pg county logo.gif
 * Industry=Local government
 * Web site=http://www.co.pg.md.us/
 * Description=Prince George's County, Maryland is a 500 sq mile county bordering the eastern side of the District of Columbia. Established in 1696, the county has a population of approximately 829,000 in 2007 according to US Census Bureau estimates.  The county is home to a number of prestigious institutions and organizations, including: University of Maryland in College Park, NASA Goddard Space Flight Center, US Census Bureau and Andrews Air Force Base.

The county operates a Council/Executive form of government. The Department of Environmental Resources' (DER) is a County Executive agency who's mission is to protect and enhance the natural and man-made environments of Prince George's County by enforcing all federal, state and county laws and regulations. Greenhorne & O'Mara provides engineering, GIS and information technology services to DER.