Zantech supports a growing list of Federal Government agencies.

Department of Homeland Security
- DHS Headquarters
- U.S. Coast Guard
- Federal Emergency Management Agency
- Immigration and Customs Enforcement
- National Protection and Programs Directorate
- Customs and Border Protection

Department of Defense
- OSD Task Force for Business and Stability Operations
- U.S. Army PEO Enterprise Information Systems
- U.S. Army Office of Small Business Programs
- U.S. Army Criminal Investigation Division
- U.S. Air Force – 25th Air Force

Department of State
- Office of Acquisition Management
- Bureau of Information Resource Management
- Bureau of Human Resources
- Foreign Service Institute

Department of the Treasury
- Office of the Comptroller of the Currency

National Aeronautics and Space Administration
- Goddard Space Flight Center

Department of Commerce
- Bureau of Economic Analysis

Federal Communications Commission

Department of Health and Human Services
- National Institutes of Health
- Centers for Medicare & Medicaid Services
Past Customers

Department of Defense
- U.S. Air Force – Air Combat Command
- U.S. Air Force – Air Force District of Washington
- U.S. Army Corps of Engineers

Department of Agriculture
- U.S Forest Service

Department of Labor
- Occupational Safety and Health Administration

Department of Veterans Affairs
- Office of Information & Technology

Department of Education
- Office of Chief Information Officer

Department of Housing and Urban Development
- Public and Indian Housing
- Federal Housing Administration
