| ABC | At Risk Individuals, Behavioral Health, and Community Resilience | unable to verify |
| APTI | Air Pollution Training Institute | decommissioned; replaced by AirKnowledge.gov |
| BECRM | Branch of Environmental and Cultural Resources Management | changed to DESCRM - Division of Environmental Services and Cultural Resources Management |
| CCE | Connecting Climate Entrepreneurs | unable to verify |
| CISCP | Cyber Information Sharing and Collaboration Program | unable to verify |
| EAMC | Eastern Area Modeling Consortium | unable to verify |
| EBS | Enterprise Business Solutions | changed to EA - Enterprise Applications |
| IASOA | International Arctic Systems for Observing the Atmosphere | unable to verify |
| IB | International Bureau | changed to OIA - Office of International Affairs |
| IBP | International Buyer Program | unable to verify |
| MONAHRQ | My Own Network, powered by AHRQ | site archived 4/23 |
| NIMAC | National Inventory and Monitoring Applications Center | unable to verify |
| OPPA | Office of Projects, Planning, and Analysis | changed to Office of Projects, Partnerships, and Analysis (same acronym) |
| PHHO | Population Health and Healthcare Office | changed to OPAPH - Office of Policy Analytics & Population Health |
| TANC | Office of Trade Agreements Negotiations and Compliance | certificate error/able to access |
