Crossword clues for By the agency of 3 letters:GSAFed. agency that supports other agenciesGSAFed. agency that oversees other agenciesNRCFed. agency whose logo depicts an atomNIHFed. agency that discovered the role of fluoride in preventing tooth decayATFDOJ agencyNIHFed. agency whose website has a "Stem Cell Information" pageDOEGovt. agency that regulates handling nuclear materialsOVASurrogacy agency donationsTSADHS agencyVOAU.S. Agency for Global Media stationIMFJim Phelps's agencyIRSCollection agency: abbr.ILOU.N. agency that won the Nobel Peace Prize in 1969ATFFed. agency concerned with traffic problemsFAAGovt. agency whose logo features a winged compass roseNSANo Such Agency agcy.CTUFictional fed. agency on "24"ILOUN agency awarded the 1969 Nobel Peace PrizeATFGovernment agencyILOU.N. agency involved with workplace issuesONIOffshore U.S. covert agencyGSAGovt. agency since 1949NEHGovt. grant agencyORGNonprofit agency's Web ext.UPINews agency founded by E.W. ScrippsSECWall St.-regulating agencyDEADOJ agencyIRSGovt. agency that will receive my 140-page return this AprilNRAFDR-created agency with the slogan "We do our part"AECNuclear agency estab. under TrumanILOUN agencyAECGovt. agency dissolved in the Energy Reorganization Act of 1974NIHGovt. medical agencyCDCHHS agency based in AtlantaCDCFed. agency that cautioned against traveling for Thanksgiving in 2020NSAGovt. agency with four cryptologic centersNSAGov't agency whose existence was a secret from 1952 to 1975SSAGovernment agency HQed in Woodlawn, MDFDAAgency concerned with over-the-counter CBD salesSSAFed. benefits agencyINSFormer U.S. Border Patrol agencyOSSDefunct govt. agency with a spearhead insigniaTSAGovt. agency that turns 20 this NovemberIRSGovt. tax agencyIRSTreas. Dept. agencySSAFormer agency of HHSILOU.N. workers' rights agencyICCFed. trade agencyIRSGovt. agency assailed by some for its complex codeNRCFed. agency that would have a meltdown if there were a meltdown