| Air Traffic Organization’s Procedures Development Team (ATO-PDT)
| ATO-E/CTAS Program Office
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| En Route and Oceanic Services (ATO-E)
| FAA Ground-Based Augmentation System (GBAS) Office
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| FAA Ground-Based Navigational Aids (GBNA) Office
| FAA Software Engineering Resource Center (SERC) at the William J. Hughes Technical Center
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| FAA Technical Operations (ATO-W)
| Flight Services Program Operations (FAA-FSPO)
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| Joint Planning and Development Office (JPDO)
| Office of the Chief Technology Officer (CTO), ARD-1
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| Systems Operations Programs (ATO-R)
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| Department Of Energy (DOE)
| Department of Interior (DOI)
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| Department of Treasury (DOT)
| Environmental Protection Agency (EPA)
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| Federal Deposit Insurance Corporation (FDIC)
| Food and Drug Administration (FDA)
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| Government Printing Office (GPO)
| Health Resources and Services Administration (HRSA)
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| National Aeronautics and Space Administration (NASA)
| Patent and Trademark Office (PTO)
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| Transportation Security Adminstration (TSA)
| United States Postal Service (USPS)
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| United States Senate
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