Mohler and Pendleton Surveying (MAPS)

Professional Land Surveying Services in the District of Columbia, Maryland and Virginia


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Department of Defense

United States Navy / Naval Facilities Command

  • Naval Air Station Patuxent—Lexington Park, MD
  • Dahlgren Naval Support Facility—Dahlgren, VA
  • Quantico Marine Base—Quantico, VA
  • Joint Base Anacostia / Bolling—Washington DC
  • Washington Navy Yard—Washington DC
  • United States Naval Academy—Annapolis, MD
  • Barracks Row Marine Base—Washington DC
  • U.S. Naval Research Laboratory—Washington DC
  • Indian Head NSWC—Charles County, MD
  • National Naval Medical Center—Bethesda Maryland
  • Allegany Ballistics Laboratory— Rocket Center West Virginia
  • Carderock NSW—Washington DC

United States Army / Army Corps of Engineers

  • Fort Myers—Arlington Virginia
  • Fort Meade—Odenton Maryland
  • Fort Belvoir—Fairfax Virginia

Federal Government Non-DOD

  • Homeland Security Administration
  • Plum Island Animal Research Laboratory—Plum Island New York
  • National Security Agency—Odenton Maryland
  • National Institute of Health—Bethesda Maryland
  • National Institute of Science and Technology – Gaithersburg Maryland
  • Architect of  the Capitol—Washington DC
  • United States Supreme Court
  • Washington Headquarters Services
  • United States Department of Agriculture
  • National Park Service


  • Arlington County, Virginia
  • City of Alexandria, Virginia
  • Fairfax County, Virginia
  • Loudoun County, Virginia
  • Howard County, Maryland
  • Anne Arundel County, Maryland
  • City of Annapolis, Maryland
  • City of Baltimore, Maryland
  • Maryland Department of Natural Resources
  • Metropolitan Washington Airport Authority
  • District of Columbia Department of Transportation
  • DC Water
  • Verizon
  • Pepco


  • Atkins, Inc.
  • A Morton Thomas, Inc.
  • Jacobs / CH2M HILL
  • CDM
  • Conti Environmental and Infrastructure
  • Greenhorne and O’Mara
  • Premiere Elevation Certificates
  • Precision Systems Incorporated
  • RK&K
  • Wiley and Wilson
  • Woolpert