Our Partial Client List

Clients choose Mainstreet because of our breadth of experience, award-winning reputation, and quality technical & management approach in supporting our customers:

  • United States Department of State
  • United States Department of Defense
  • United States Department of the Treasury
  • National Institutes of Health
  • Centers for Medicare & Medicaide Services
  • Intelligence Community – various three-letter agencies
  • State of Maryland
  • BAE Systems
  • Lockheed Martin
  • Dell
  • GeneralĀ  Motors
  • Blue Cross Blue Shield
  • Bank of America
  • United Auto Workers
  • Radio One

Our Vision

Creating a place where Technology, Individuals, Communities and Corporations come together.