• Air Products and Chemicals, Inc.
  • Brown & Williamson Tobacco
  • AT&T
  • Humana
  • Empact Solutions, Inc.
  • Global Payments
  • Instinet Corporation
  • Lehman Brothers
  • Lucent Technologies
  • Quadritek Systems
  • United Health Care
  •  United Parcel Service
  • US Department of Justice
  • National Association of Insurance Adjusters
  • Federal Bureau of Prisons
  •  Lucent Technologies - Enterprise Networking Solutions
  • Armstrong World Industries
  • Hersheys Chocolate Company
  • Ferguson Enterprises
  •  Dataline Incorporated
  • Covington & Burling, LLP
  • Dickstein, Shapiro, LLP  
  • Dollar Tree
  •  Bon Secours
  •  Northrop Grumman
  •  Raytheon