| ACTor | Aggregated Computational Toxicology Online Resource | retired |
| ALCC | Arctic Landscape Conservation Cooperative | unable to verify |
| BISON | Biodiversity Information Serving Our Nation | replaced by Global Biodiversity Information Facility (GBIF) |
| BSB | Biomolecular Screening Branch | changed to Predictive Toxicology Branch (PTB) |
| CMSI | Crop Moisture Stress Index | unable to verify |
| CPCat | Chemical and Product Categories | unable to verify |
| MCHESP | Maternal and Child Health Epidemiology and Statistics Program | unable to verify |
