City of Chesapeake

Department of Defense – Pentagon

Federal Aviation Administration

Federal Bureau of Investigation

Homeland Defense Headquarters

Internal Revenue Service

Langley Air Force Base

National Oceanic and Atmospheric Administration

National Weather Service

Naval Weapons Station

Navy Federal Credit Union

National Institute of Health

Prince William County

US Census Bureau

US Department of the Army

USF&G

United States Postal Service

US Coast Guard

Board of Education, Washington, DC

NYC Department of Education

Tenth High School

American University

Christopher Newport University

College of William and Mary

Northern Virginia Community College

Prince George’s Community College

University of Akron

University of Delaware

University of New Orleans

Capital Investment

Chesapeake Financial

F&M Bank of Winchester

Federal Housing Finance Board

Federal Reserve Bank

Financial Technologies

First Federal Corporation

International Monetary Fund

Key Bank & Trust

National Cooperative Bank

Navy Federal Credit Union

Riggs Bank

Suntrust Bank

Thompson Financial

VISA International

World Bank

Cyveillance

Exodus Communications

Global One

IBM Global Services

Lockheed Martin

Northrop Grumman

Nova Technology

Qwest Communications

TRG Networking

USinternetworking, Inc.

Airline Tarrif Publishing Co.

American Red Cross

Bally’s

Baltimore Substance Abuse Systems

Dollar Tree

Fortrex Technologies

Gold’s Gym

Grove Worldwide

Marriott Senior Living

Salvation Army

Southside Electric

Sunguard Recovery Services

Toyota Motor Sales

Univec