Less than 0.5 miles

• Airbus North America
• AOL Time Warner
• Capital Gymnastics
• Freddie Mac

Less than 1 mile

• MCI
• AT&T
• DDI
• Ethan Allen, Inc
• Rolls Royce

Less than 1.5 miles

• Alcatel Government Solutions
• Computer Sciences Corp (CSC)
• DIA
• US Customs
• Washington Redskins

Less than 2 miles

• Messier Services of America
• NLX Corporations
• Orbital Sciences Corp

Less than 3 miles

• CH2MHill
• Dulles International Airport
• ESPN
• Exxon Mobile
• George Washington University
• Healthscribe
• Howard Hughes Medical Institute
• Navigant Integrated Services
• Northrop Grumman
• PSI Net, Inc.
• SAIC
• SBC Communications
• Southland Industries
• Verisign
• Verizon Communications

Less than 4 miles

• BAE Systems
• Deltek
• EDS - Electronic Data Systems
• Federal Aviation Administration
• National Concrete Masonry Assn
• Perot Systems

Less than 6 miles

• Center for Innovative Technology
• Digitek
• General Dynamics
• George Mason University
• NEMI
• Nortel Networks

Less than 7 miles

• Cisco Systems
• Computer Associates
• Honeywell International
• Lafarge N.A.
• NIS Corporation
• Nissan
• Oracle
• Sprint
• Symantec
• Time Warner Cable

Less than 8 miles

• Accenture
• Boeing
• Microsoft
• Nextel
• Siebel Systems
• USGS

Less than 9 miles

• Uniysis

Less than 10 miles

• Apple Computer
• Earthlink
• Titan Systems
• USAA

Less than 12 miles

• Hewlett Packard
• IBM
• Learning Tree International
• Lockheed Martin
• M3 Communications
• Merrill Lynch
• Morgan Stanley
• Qwest Communications
• Raytheon
• SallieMae
• XO Communications