Bethesda-based Lockheed Martin Corporation is the County's highest ranking company on the list, coming in at #3 with 2012 revenue of more than $47.1 billion.
Also making the top 25 are:
- Marriott International, Inc., Bethesda - 2012 revenue of $11.81 billion
- Host Hotels & Resorts, Inc., Bethesda - 2012 revenue of $5.29 billion
- Discovery Communications, Inc., Silver Spring - 2012 revenue of $4.49 billion
- American Capital Agency Corp., Bethesda - 2012 revenue of $2.11 billion
- USEC, Inc. , Bethesda
- United Therapeutics Corp., Silver Spring
- LaSalle Hotel Properties , Bethesda
- RLJ Lodging Trust, Bethesda
- DiamondRock Hospitality, Bethesda
- Choice Hotels Intl., Rockville
- Federal Realty Investment Trust, Rockville
- American Capital, Ltd., Bethesda
- Radio One, Inc., Silver Spring
- Pebblebrook Hotel Trust, Bethesda
- Synutra International, Inc., Rockville
- Washington Real Estate Investment Trust, Rockville
- Emergent BioSolutions, Inc., Rockville
- Argan Inc., Rockville
- Walker & Dunlop, Inc., Bethesda
- First Potomac Realty Trust, Bethesda
- Sandy Spring Bancorp, Inc., Olney
- Saul Centers, Inc. , Bethesda
- Broadsoft, Inc., Gaithersburg
- Eagle Bancorp, Inc., Bethesda
- Chindex International, Inc., Bethesda
- American Capital Mortgage Investment Corp., Bethesda
- Sucampo Pharmaceuticals, Inc., Bethesda
- Novavax, Inc., Rockville
- OBA Financial Services, Inc., Germantown