A-TEK, and its subsidiary, Mackson Consulting, provides high-end IT services and solutions, coupled with a scientific staffing capability that supports health and national security missions. Our customers include U.S. Department of Homeland Security, Health and Human Services (National Institutes of Health (NIH), Food and Drug Administration (FDA), Centers for Medicare & Medicaid Services (CMS)), Department of Commerce (DoC), Department of Justice(DoJ), Veteran Affairs (VA), and the Library of Congress (Library).