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Government Abbreviations

Look through 832 acronyms and abbreviations related to Government:

AAD	Access to Archival Databases
AARCC	Alternative Agricultural Research and Commercialization Corporation
abmc	American Battle Monuments Commission's
ACC	Air Combat Command (formerly TAC)
acda	Arms Control and Disarmament Agency's
ace	American Council on Education's
ACF	Administration for Children and Families
ACGIH	American Conference of Governmental Industrial Hygienists, Inc.
ACHP	Advisory Council on Historic Preservation
ACYF	Administration on Children, Youth, and Families
ADA	Americans With Disabilities Act Of 1990 (Text Of ADA Legislation)
ADB	Asian Development Bank
ADD	Analog Digital Digital (CD Quality) - Attention-Deficit Disorder - Administration On Developmental Disabilities
ADDS	Aviation Digital Data Service
ADR	Alternative Dispute Resolution
ADS	Automated Directives System (USAID)
AES	Automated Export System
AFAA	Air Force Audit Agency
AFDB	African Development Bank
AFDC	Aid to Families with Dependent Children
AFDF	African Development Fund
AFIS	American Forces Information Service
AFP	Armed Forces of the Philippines
AFRC	Air Force Reserve Command
AFRL	Air Force Research Laboratory
AFRRI	(U.S.) Armed Forces Radiobiology Research Institute
AFRTS	Armed Forces Radio & Television Service
AFS	Air Facility System
AFS	Avionics Flight Software
AFSC	Armed Forces Staff College ��(replaced By JFSC)
AFSPC	Air Force Space Command
AGRICOLA	Agricultural Online Access
AHCPR	Agency for Health Care Policy and Research
AID	Agency for International Development (U.S.)
AIHW	Australian Institute of Health and Welfare
AIRS	Aerometric Information Retrieval System (obsolete; Replaced With AFS)
AML	Abandoned Mine Lands
AMS	Agricultural Marketing Service
AMSP	Area Maritime Security Plan
Amtrak	National Railroad Passenger Corporation
ANA	Administration for Native Americans
ANG	Air National Guard
ANL	The Department of Energy's Argonne National Laboratory in Argonne, Ill
AoA	Administration on Aging
AOML	Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
AOR	Area of Responsibility. The assigned area to any given unit.
APAU	Andhra Pradesh Agricultural University
APE	Area of potential effect (electricity)
APHIS	U.S. Department of Agriculture's Animal and Plant Health Inspection Service
AQA	Air Quality Analysis

ARC	Archival Research Catalog
arc	Appalachian Regional Commission's
ARCA	Apollo Root Cause Analysis
arl	Air Resources Laboratory's
ARL	Army Research Laboratory
ARM	Atmospheric Radiation Measurement (DOE program)
ARPA	Advanced Research Projects Agency (made early internet)
ARS	United States Department of Agriculture's Agricultural Research Service
ASL	Assistant Secretary for Legislation
ASPR	Assistant Secretary for Preparedness and Response
ATC	Agency Term Contract
ATF	Bureau of Alcohol, Tobacco and Firearms
ATG	Automatic Tank Gauging
ATO	Air Traffic Organization
ATP	Advanced Technology Program
ATS	Advanced Treatment Systems
ATS	Automated Targeting System
ATSDR	Agency for Toxic Substance and Disease Registry
ATU	Aerobic Treatment Unit
AWC	Aviation Weather Center
BBG	Broadcasting Board of Governors
BCIS	Bureau of Citizenship and Immigration Services
BEA	Bureau of Economic Analysis
BER	Biological & Environmental Research
BES	Basic Energy Sciences
BIA	Bureau of Indian Affairs (U.S.)
BIC	Business Information Center
BJA	Bureau of Justice Assistance
BJS	Bureau of Justice Statistics
BLM	Bureau of Land Management of United States Department of the Interior
BLS	Bureau of Labor Statistics of the United States Department of Labor
BMDO	(U.S.) Ballistic Missile Defense Organization (bim-do)
BND	Bundesnachrichtendienst
BNL	Brookhaven National Laboratory
BNQP	Baldrige National Quality Program
BPA	Bonneville Power Administration (US)
BTS	Border and Transportation Security (DHS)
BVA	Board of Veterans Appeals
BWB	Bundesamt für Wehrtechnik und Beschaffung
C3I	Command, Control, Communications & Intelligence
C4	Command, Control, Communications, and Computers
C4I	Command, Control, Communications, Computers, & Intelligence
CAA	Civil Aviation Authority
CAB	Climate Analysis Branch
CAGE	Commercial and Government Entity
CANARIE	Canadian Network for the Advancement of Research Industry and Education
CAP	Civil Air Patrol
CAPPS	Computer-Assisted Passenger Prescreening System
CATC	Clean Air Technology Center
CAZRI	Central Arid Zone Research Institute

CBD	Commerce Business Daily (Changed To FBO)
CBO	Congressional Budget Office
CBP	Customs and Border Protection
CCC	Commodity Credit Corporation
CCC	Compliance Coordinating Committee
CCDF	Child Care and Development Fund
CDBG	Community Development Block Grant
CDC	Centers for Disease Control
CDRH	Center for Devices and Radiological Health (Food & Drug Administration)
CEA	Council of Economic Advisors
CENTCOM	Central Command (U.S. Army)
CEOS	Child Exploitation and Obscenity Section
CEQ	Council on Environmental Quality (U.S.)
CERC	Columbia Environmental Research Center
CERCLA	Comprehensive Environmental Response, Compensation and Liability Act (1980, "Superfund")
CFA	Commission of Fine Arts
CFBCI	Center for Faith-Based and Community Initiatives
CFR	Code of Federal Regulations
CFTC	Commodity Futures Trading Commission
CIA	Central Intelligence Agency
CIAO	Critical Infrastructure Assurance Office
CIC	Counter Intelligence Corporation
CIO	Chief Information Officer
CIT	Center for Information Technology
CITA	Committee for the Implementation of Textile Agreements
CITES	Convention on International Trade in Endangered Species of Wild Fauna and Flora
CJS	Corpus Juris Secundum
CMH	Center of Military History
CMM	Center for Medicare Management
CMS	Correctional Medical Services
CNO	Chief of Naval Operations
COA	Course Of Action
COMPAS	Centre on Migration Policy and Society
CONOPS	Concept of Operations
COOP	Continuity of Operations
COP	Common Operational Picture
COPS	Office of Community Oriented Policing Services
COTP	Captain Of The Port
CPD	Community Planning and Development's
CPI	Consumer Price Index
CPMS	Civilian Personnel Management Service
CPRI	Central Potato Research Institute
CPSC	Consumer Product Safety Commission
CRA	Community Reinvestment Act
CRIDA	Central Research Institute for Dryland Agriculture
CRP	Conservation Reserve Program (US)
CRS	Congressional Research Service
CSAC	Citizens Stamp Advisory Committee
CSAP	Center for Substance Abuse Prevention
CSAT	Center for Substance Abuse Treatment (SAMHSA)

CSB	Chemical Safety and Hazard Investigation Board
CSC	Coastal Services Center
CSD	Chemical Sciences Division
CSE	Office of Child Support Enforcement
CSRC	Computer Security Resource Center
CSREES	Cooperative State Research, Education, and Extension Service
CSS	Central Security Service
CTC	Commission on Teacher Credentialing
CWC	Chemical Weapons Convention (International Treaty)
CWIP	Construction Work in Progress
DA	Department of the Army's
DARPA	Defense Advanced Research Projects Agency (US)
DAU	(U.S.) Defense Acquisition University
DCAA	(U.S.) Defense Contract Audit Agency
DCIS	Defense Criminal Investigative Services
DCMC	Defense Contract Management Command
DCS	Division of Child Support
DCU	Division of Credit Unions
DDC	Defense Distribution Center
DEA	Drug Enforcement Administration (U.S. Department of Justice)
DeCA	Defense Commissary Agency
DESC	Defense Energy Support Center
DFAS	Defense Finance & Accounting Service
DHAC	Division of Health Assessment and Consultation
DI	Directorate of Intelligence
DIA	Defense Intelligence Agency (USA)
DISA	U.S. Defense Information Systems Agency
DLA	U.S. Defense Logistics Agency
DLIS	Defense Logistics Information Service
DLSA	(U.S.) Defense Legal Services Agency
DMA	U.S. Defense Mapping Agency
DMDC	Defense Manpower Data Center
DND	Department of National Defense (Canada)
DNDO	Domestic Nuclear Detection Office
DNI	Director of National Intelligence
DOC	United States Department of Commerce
DOD	United States Department of Defense
DODISS	DoD Index of Specifications and Standards
DoDPI	Department of Defense Polygraph Institute
DOE	United States Department of Energy (government)
DoH	Department of Health (various countries)
DOJ	Department of Justice (US)
DOL	United States Department of Labor
DOT	Dept of Transportation
DOT	Department of Transport
DRMS	Defense Reutilization and Marketing Service
DSB	(U.S.) Defense Science Board
DSCA	Defense Support of Civil Authorities
DSCA	Defense Security Cooperation Agency
DSO	Decision Support Objects

DSS	Defense Security Service
DTI	Department of Trade and Industry (UK)
DTIC	(U.S.) Defense Technical Information Center
DTRA	Defense Threat Reduction agency
EAR	Export Administration Regulations
ECHO	Enforcement & Compliance History Online
ECOWAS	Economic Community of West African States
ED	Department of Education (US)
eda	Economic Development Administration's
EDC	Export Development Corporation
EDIE	Electronic Deposit Insurance Estimator
EEEL	Electronics and Electrical Engineering Laboratory
eeg	Erneuerbare-Energien-Gesetzes
EEOC	Equal Employment Opportunity Commission
EERE	Energy Efficiency and Renewable Energy
EFA	Einfach für Alle
eGK	Elektronische Gesundheitskarte
EIA	Environmental impact assessment (international)
EIB	European Investment Bank
EM	Environmental Management
EMF	Electromagnetic Field
EMU	European Monetary Union o Economic and Monetary Union
ENSDF	Evaluated Nuclear Structure Data File
EO	Executive Order
EOP	Executive Office of the President's
EOUSA	Executive Office for United States Attorneys
EPA	Environmental Protection Agency (US)
EPLS	Excluded Parties List System
EPO	Epidemiology Program Office
ERA	Electronic Research Administration
ERDC	Engineer Research and Development Center
EROS	Earth Resources Observation and Science
ERS	Economic Research Service
ESF	Emergency Support Function
ESnet	Energy Sciences Network
EUROPOL	European Police Office
EWFI	Ethiopian World Federation Incorporated
EWFMERS	Ethiopian World Federation Monthly Electronic Report System
Ex-Im Bank	Export-Import Bank of the United States
FAA	Federal Aviation Administration
FAA	Federal Aviation Authority
FACA	Federal Advisory Committee Act 1972
FANNIE MAE	Federal National Mortgage Association (a privately owned corporation)
FAR	Federal Acquisition Regulation
FARMER MAC	Federal Agricultural Mortgage Corporation
FAS	Foreign Agricultural Service
FAS	Federal Acquisition Service
FBI	Federal Bureau of Investigation
FBIS	Foreign Broadcast Information Service
FBO	Federal Business Opportunities

FCC	Federal Communications Commission (US)
FCO	Federal Coordinating Officer (in disaster areas)
FD	Food Distribution
FDA	Food Drug Administration
FDIC	Federal Deposit Insurance Corporationration
FDIC	Federal Deposit Insurance Corporation
FDLP	Federal Depository Library Program
FE	Fossil Energy
FEB's	Federal Executive Boards
fec	Federal Election Commissioner
FEMA	Federal Emergency Management Agency
FEMP	Federal Energy Management Program
FERC	Federal Energy Regulatory Commission (U.S.)
FFB	Federal Financing Bank
FFIEC	Federal Financial Institutions Examination Council
fgdc	Federal Geographic Data Committee's
FHA	Federal Housing Administration
FHFA	Federal Housing Finance Agency
FHWA	Federal Highway Administration
FIA	Federal Insurance Administration
FICO	Financing Corporation
FIO	Freedom of Information Act
FIPS	Federal Information Processing Standard
FISA	Foreign Intelligence Surveillance Act
FLRA	Federal Labor Relations Authority's
FMC	Federal Maritime Commission's
FMCS	Federal Mediation and Conciliation Service
FMS	Financial Management Service
FNCS	Food Nutrition and Consumer Service
FNMA	Federal National Mortgage Association
FNS	Food and Nutrition Service
FOIA	Freedom of Information Act
FR	Federal Register
FRS	Federal Reserve System
FSA	Farm Service Agency
FSIS	Food Safety and Inspection Service
FSS	Federal Supply Service
FTC	Federal Trade Commission (U.S.)
FWS	United States Fish and Wildlife Service
GAO	Government Accountability Office [formerly the General Accounting Office]
GATT	General Agreement on Tariffs and Trade (government)
GINNIE MAE	Government National Mortgage Association
GIPSA	Grain Inspection, Packers, and Stockyards Administration
GNMA	Government National Mortgage Association
GPO	Government Printing Office
GSA	U.S. General Services Administration
HCFA	Health Care Financing Administration
HHS	Health and Human Services Department
HRSA	U.S. Health Resources and Services Administration
HUD	Department of Housing and Urban Development (U.S.)

HUMINT	Human Intelligence
IAF	Inter-American Foundation
IBRD	International Bank For Reconstruction And Development (part Of The World Bank)
IDB	Inter-American Development Bank
IFC	International Finance Corporation
IHA's	Indian Housing Authorities
IHS	Indian Health Service
ILAB	Bureau of International Labor Affairs
ILO	International Labor Organization (UN)
IMF	International Monetary Fund
IMLS	Institute of Museum and Library Services
INS	Institute Scholars
Interpol	International Criminal Police Organization
IOM	International Organization for Migration
IPGRI	International Plant Genetic Resources Institute
IRAC	Interdepartment Radio Advisory Committee
IRM	Information Resources Management
IRMC	Information Resources Management College
IRRI	International Rice Research Institute
IRS	U.S. Internal Revenue Service
ISAC	Information Sharing and Analysis Center
ISO	International Organization for Standardization
ISOO	Information Security Oversight Office
IT	Information Technology
ITA	International Trade Administration
ITDS	International Trade Data System
IWMI	International Water Management Institute
JAG	Judge Advocat General
JCP	Joint Committee on Printing
JCS	Joint Chiefs of Staff
JEMS	Journal of Ethnic and Migration Studies
JFSC	Joint Forces Staff College
JPL	Jet Propulsion Laboratory (California Institute of Technology) (NASA)
JSC	Johnson Space Center (Houston, TX)
KARI	Kenya Agricultural Research Institute
KSC	John F. Kennedy Space Center
LANL	Los Alamos National Laboratory
LC	Library of Congress
LCCA	Linearized Coupled-cluster Approach
LCDAO	Linear Combination of Distorted Atomic Orbitals
LCFA	Long Chain Fatty Acid
LCFFUA	Linear Combination of Floating Functions of United Atom
LCHAO	Linear Combination of Hybrid Atomic Orbitals
LCMVAO	Linear Combination of Modified Valence Atomic Orbital
LCOAO	Linear Combination of Orthogonal Atomic Orbitals
LCPA	Local Coherent Potential Approximation
LCTAO	Linear Combination Of Traveling Atomic Orbitals
LDA	Linear Diode Array
LDA	Laser-Doppler Anemometer
LDA	Local Density Approximation

LDA	Linear Discriminant Analysis (statistical method)
LDC	less-developed country
LDGUGA	Loop-driven Graphical Unitary-group Approach (in MC-SCF Calcns.)
LE	Law Enforcement
LEACH	Leaching Evaluation Of Agricultural Chemicals
LEAP	Local-electrode Atom Probe
LECIVA	Low Energy Charge-Induced Voltage Alteration
LEMA	Least-Error Matrix Analysis
LEMAO	Least Energy Minimal Atomic Orbital
LENA	Low-Energy Neutral Atom
LFAM	Line Focus Acoustic Microscopy
LFECA	Low Frequency Eddy Current Array
LHASA	Logic And Heuristics Applied To Synthetic Analysis
LHDAC	Laser Heated Diamond Anvil Cell
LIESA	Laser Induced Emission Spectral Analysis
LISA	Lander For Ion-selective Analysis
LITA	Laser-Induced Thermal Acoustics
LIVA	Light-Induced Voltage Alteration
LLNL	The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
LM	Legacy Management
LMI	Labor Market Information
LMSA	Linear Multivariate Statistical Analysis
LOC	Library Of Congress (Washington, DC)
LOCIS	Library of Congress Information System
LOPAIR	Long-Path Infrared
LPA	low profile additive
LPA	Linearized Propagator Approximation
LPAS	Long Path Absorption Spectroscopy
LRAD	Long-range Alpha Detection
LRTBAP	Long-Range Trans-Boundary Air Pollution
LSA	Linear Superposition Approximation
LSA	Local Space Approximation
LSASV	Linear Sweep Anodic Stripping Voltammetry
LSDA	Local Spin Density Approximation
LSRA	Least-Squares Regression Analysis
LTAVD	Low Temperature Arc Vapor Deposition
LTDA	Low Temperature Die Attach
MA	Maritime Administration
MA	Maleic Anhydride
MAAC	Maximum Ambient Air Concentration
MAB	Molecular Aharonov-Bohm (electronic-structure Effect)
MAC	Maximum Admissible Concentration
MAC	Methyl Allyl Chloride
MACS	Modified Atomic Charge Superposition (in Calcns. On Atom-surface Scattering Potentials)
MACS	Magnetic Cell Sorting System
MAD	Multiwavelength Anomalous Diffraction
MADCAP	Model of Advection, Diffusion, and Chemistry for Air Pollution
MAE	Microwave-assisted Extraction
MAER	Maximum Allowable Emission Rate
MAES	Metastable Atom Electron Spectroscopy

MAG	Metal Arc Gas
MAGW	Momentum-averaged Gaussian-weighted (method In Calcns. Of Electron-momentum Distributions)
MAH	Magic-angle Hopping
MARDI	Malaysian Agricultural Research and Development Institute
MASINT	Central Measurement and Signals Intelligence Office
MBDA	Minority Business Development Agency
MCEER	Multidisciplinary Center for Earthquake Engineering Research
MCTL	Militarily Critical Technologies List
MDA	Maritime Domain Awareness
MDA	Missile Defense Agency
MedPAC	Medicare Payment Advisory Commission
MEP	Manufacturing Extension Partnership
MEPS	Medical Expenditure Panel Survey
MIGA	Multilateral Investment Guarantee Agency
MMS	Minerals Management Service, (United States)
MOA	Memorandum Of Agreement
MoH	Ministry of Health
MOU	Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
MPG	Migration Policy Group
MPI	Migration Policy Institute
MPSA	Military Postal Service Agency
MRC	Mississippi River Commission
MSA	Microscopy Society of America
MSA	Mineralogical Society of America
MSAPC	Mobile Source Air Pollution Control
MSC	Military Sealift Command
MSHA	Mine Safety and Health Administration (US)
MSPB	Merit Systems Protection Board
MULAP	Mulliken Approximation
MUSAC	Measurement Uncertainty Software In Analytical Chemistry
MVMA	Motor Vehicle Manufactures Association
MWTA	Medical Waste Tracking Act
NAALC	North American Agreement on Labor Cooperation
NAAQS	National Ambient Air Quality Standards (US)
NACA	National Agricultural Chemicals Association
NACCA	North American Council of Chemical Associations
NACEPT	National Advisory Council for Environmental Policy and Technology
NACSN	North American Commission on Stratigraphic Nomenclature
NADB	National Air Data Branch (US EPA)
NAEP	National Association of Environmental Professionals
NAFTA	North American Free Trade Agreement
NAICS	North American Industry Classification System
NAIMA	North American Insulation Manufacturers Association
NAIP	Non-Apatite Inorganic Phosphorus
NAIS	National Animal Identification System
NAL	No Action Level
NAMA	National Air Monitoring Audits
NAMS	Neutron Activation Mass Spectrometry
NAMS	National Air Monitoring Station
NAMT	National Advanced Manufacturing Testbed

NAPBN	National Air Pollution Background Network
NAPCA	National Air Pollution Control Administration
NAPIAP	National Agricultural Pesticide Impact Assessment Program
NAPIM	National Association Of Printing Ink Manufacturers (US)
NAPIS	National Agricultural Pest Information System
NARA	United States National Archives And Records Administration
NARL	National Air and Radiation Laboratory
NARS	National Asbestos Registry System
NAS	United States National Academy of Sciences
NASA	National Aeronautics and Space Administration (US)
NASM	National Air and Space Museum
NASS	National Agricultural Statistics Service
NATO	North Atlantic Treaty Organisation
NBRI	National Botanical Research Institute
NBS	National Bureau of Standards (US)
NCA	National Cemetery Administration
NCAFP	North Carolina Academy of Family Physicians, Inc.
NCAVC	National Center for the Analysis of Violent Crime
NCBDDD	National Center on Birth Defects and Developmental Disabilities
NCC	National Coordinating Center For Telecommunications
Ncc-ac	National Collaborating Centre for Acute Care
NCCC	National Civilian Community Corps
NCCOS	National Centers for Coastal Ocean Science
NCCS	National Center for Computational Sciences
NCCS	Neuroblastoma Children's Cancer Society
NCDC	National Climatic Data Center
NCGMP	National Cooperative Geologic Mapping Program
NCIC	National Crime Information Center
NCIRD	National Center for Immunization and Respiratory Diseases
NCIS	Naval Criminal Investigative Service (US)
NCJRS	National Criminal Justice Reference Service
NCPC	National Capital Planning Commission
NCPHI	National Center for Public Health Informatics
NCR	National Capital Region (Metro Manila)
NCRR	National Center for Research Resources (National Institutes of Health)
NCS	National Communications System
NCS	National Clandestine Service
NCSD	National Cyber Security Division
NCUA	National Credit Union Administration
NCV	nuclear coefficient of variance
NDIIPP	National Digital Information Infrastructure and Preservation Program
NDMS	National Disaster Medical System
NDSAC	National Drug Scheduling Advisory Committee
NDU	National Defense University (Washington, DC)
NE	Nerve Ending
NE	Neurologic Examination
NE	Nuclear Energy
NEA	National Endowment for the Arts
NEC	Nursing Education Coalition
NEH	National Endowment for the Humanities

NEI	National Eye Institute (National Institutes of Health)
NEISS	National Electronic Injury Surveillance System
NELAC	National Environmental Laboratory Accreditation Conference
NELAP	National Environmental Laboratory Accreditation Program
NEMA	National Electrical Manufactures Association
NEPA	National Energy Policy Act of 1992
NESCAUM	North East States Coalition For Air Use Management
NESDIS	National Environmental Satellite, Data, and Information Service
NETA	National Environmental Training Association
NETAC	National Effluent Toxicity Assessment Center
NEWWA	New England Water Works Association
NFPA	National Fire Protection Association
NFRAP	No Further Remedial Action Planned
NGDC	National Geophysical Data Center (NOAA)
NGO	Non-governmental Organisation
NGPSA	Natural Gas Pipeline Safety Act of 1968 (US)
NGWA	National Ground Water Association
NHC	United States National Hurricane Center
NHEXAS	National Human Exposure Assessment Survey
NHGRI	National Human Genome Research Institutetute
NHI	National Highway Institute
NHIN	Nationwide Health Information Network
NHLBI	National Heart, Lung, and Blood Institute
NHPRC	National Historical Publications and Records Commission
NHSC	National Health Service Corporation
NHTSA	National Highway Traffic Safety Administration
NIA	National Institutetute on Aging
NIA	National Institute of Accountants
NIAAA	National Institutetute on Alcohol Abuse and Alcoholism
NIAC	National Infrastructure Advisory Council
NIAID	National Institutetute of Allergy and Infectious Diseases
NIAMS	National Institutetute of Arthritis and Musculoskeletal and Skin Diseases
NIBIB	National Institute of Biomedical Imaging and Bioengineering
NIC	National Ice Center
NICHD	National Institute of Child Health and Human Development
NICNAS	National Industrial Chemicals Notification And Assessment Scheme (Australia)
NIDA	National Institutetute on Drug Abuse
NIDCD	National Institutetute on Deafness and Other Communication Disorders
NIDRR	National Institute of Disabilities and Rehabilitation Research
NIEHS	National Institutetute of Environmental Health Sciences
NIEP	Novell Internet Exchange Protocol
NIFC	National Interagency Fire Center
NIH	NATIONAL INSTITUTE OF HEALTH
NIJ	National Institute of Justice
NIMA	National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency\|NGA)
NIMH	National Institute of Mental Health
NIMH	National Institutetute of Mental Health
NIN	National Institute of Nutrition
NINDS	National Institutetute of Neurological Disorders and Stroke
NINR	National Institute of Nursing Research

NIOSH	National Institute of Occupational Safety and Health's
NIOSH	National Institute for Occupational Safety and Health
NIPALS	Nonlinear Iterative Partial Least Squares
NIPC	National Infrastructure Protection Center
NIPDWR	National Interim Primary Drinking Water Regulations
NIST	National Institute of Standards and Technology
NIST	National Institute of Standards & Technology (US)
NITRD	Networking and Information Technology Research and Development
NL	No Liner
NLLAP	National Lead Laboratory Accreditation Program
NLM	National Library of Medicine (National Institutes of Health)
NLRB	National Labor Relations Board
NMFS	National Marine Fisheries Services
NMIC	National Maritime Intelligence Center
NNMI	Nonlinear Normal Mode Initialization
NNSA	National Nuclear Security Administration
NOAA	National Oceanic and Atmospheric Administration (US)
NOC	National Operations Center
NODA	Notice of Data Availability
NODC	National Oceanographic Data Center (NOAA)
NOMAD	Neutrino Oscillation Magnetic Detector
NOS	National Ocean Service
NPA	Natural Population Analysis (for Electron Configuration Of Mols.)
NPCA	National Paint And Coatings Association (US)
NPOESS	National Polar-Orbiting Operational Environmental Satellite System
NPRA	National Petroleum Refiners Association
NPS	National Park Service (US)
NRA	Nuclear Reaction Analysis (Rensselear Polytech)
NRC	Nuclear Regulatory Commission (US)
NRCS	Natural Resources Conservation Service
NREN	National Research and Education Network
NRI	Natural Resources Institute
NRL	Naval Research Laboratory
NRO	U.S. National Reconnaissance Office
NRP	National Response Plan
NSA	National Security Agency
NSA/CSS	National Security Agency/Central Security Service
NSB	National Savings Bank
NSC	National Security Council
NSCEP	National Service Center for Environmental Publications
NSD	National Security Division
NSDI	National Spatial Data Infrastructure
NSF	National Sanitation Foundation
NSIP	Nutrition Services Incentive Program
NSLP	National School Lunch Program
NSPD	National Security Presidential Directive
NSSE	National Special Security Event
NSSL	National Severe Storms Laboratory
NSTL	National Space Technology Laboratories (NASA)
NTC	National Training Center (USA)

NTC	National Telecommunications Commission
NTIA	National Telecommunications and Information Administration
NTID	National Technical Institute for the Deaf
NTIS	National Technical Information Service Technology Administration
NTSB	US National Transportation Safety Board
NVD	National Vulnerability Database
NWC	National War College
NWRC	National Wetlands Research Center's
NWS	National Weather Service (formerly U.S. Weather Bureau)
OAQPSTTN	Office of Air Quality Planning and Standards Technology Transfer Network
OAR	Office of Oceanic and Atmospheric Research
OAS	Organization of American States
OASAM	Office of the Assistant Secretary for Administration and Management
OASCR	Office of Advanced Scientific Computing Research
OAU	Organization of African Unity
OCEPA	Office of Communications, Education and Public Affairs
OCIO	Office of the Chief Information Officer
OCR	Office For Civil Rights (Dept. Of Education)
OCRM	Operational Customer Relationship Management
OCRS	Organized Crime and Racketeering Section
OCS	Office of Coast Survey
OCS	Officer Candidate School
OD	Office on Disability
ODI	Overseas Development Institute
ODNI	Office of the Director of National Intelligence
OEA	(U.S.) Office Of Economic Adjustment
OEA	Occupational Exposure Assessment
OECD	Organization for Economic Cooperation and Development
OEF	Operation Enduring Freedom
OFAC	Office of Foreign Assets Control
OFCCP	Office of Federal Contract Compliance Programs
OFCM	Office of the Federal Coordinator for Meteorology
OGC	Office of Government Commerce
OGE	Office of Government Ethics (formerly part of Office of Personnel Managment, separate executive branch in 1989)
OHEA	Office Of Health And Environmental Assessment (USEPA)
OHMTADS	Oil and Hazardous Materials Technical Assistance Data System
OIA	Office of International Affairs
OIA	Office of International Activities
OIRA	Office of Information & Regulatory Affairs
OLAW	Office of Laboratory Animal Welfare
OMB	Office of Management and Budget (U.S.)
OMMSQA	Office of Modeling Monitoring Systems and Quality Assurance
ONC	Office of the National Coordinator for Health Information Technology (United States Government Health and Human Services)
ONR	Office of Naval Research (U.S.)
OPAL	Omni-Purpose Apparatus at LEP
OPEC	Organization of Petroleum Exporting Countries
OPIC	Overseas Private Investment Corporation
OPM	Office of Personnel Management
OPREP	Operational / Operations Report
ORA	Office of Research and Applications

ORAM	Optical Random Access Memory
ORAQI	Oak Ridge Air Quality Index
ORAU	Oxford Radiocarbon Accelerator Unit
ORNL	Oak Ridge National Laboratory's
ORR	Office of Refugee Resettlement
OSC	Office of Special Counsel
OSDBU	Office of Small and Disadvantaged Business Utilization
OSEC	Office of the Secretary
OSF	Office Of Space Flight (now OSTS)
OSHA	Occupational Safety and Health Act (1970)
OSHRC	Occupational Safety and Health Review Commission
OSI	Office of Special Investigations
OSM	US Office Of Surface Mining Reclamation And Enforcement
OSO	Office of Space Operations
OSPARCOM	Oslo and Paris Commission
OSPI	Office of the Superintendent of Public Instruction
OSS	Or Office of Strategic Services
OSTI	Office of Scientific and Technical Information (DOE)
OSTP	Office of Science and Technology Policy
OSWASV	Osteryoung Square-wave Anodic Stripping Voltammetry
OTA	Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
OTIA	Office of Telecommunications and Information Applications
OTP	Office of Technology Policy
OTS	Office of Thrift Supervision
OWBO	Office of Women's Business Ownership
PA	Programmatic Agreement (USACE)
PA/SI	Preliminary Assessment/Site Inspection
PAA	Photon Activation Analysis
PAB	Pollutant Assessment Branch (US EPA)
PAC	Polycyclic Aromatic Compound
PACS	Physics and Astronomy Classification Schemex
PADRE	Particle Analysis And Data Reduction Program
PAECE	Protective Action Evaluator for Chemical Emergencies
PAGIRS	Pesticide Assessment Guidelines Information Retrieval System
PAI	Pesticide Active Ingredient
PAIR	Preliminary Assessment Information Rule
PAM	Photolabile Attachment Molecules
PAS	Publicly Available Specification
PBGC	Pension Benefit Guaranty Corporation
PBS	Public Buildings Service's
PCAST	President's Council of Advisors on Science and Technology
PCC	Policy Coordinating Committee
PCII	Protected Critical Infrastructure Information
Pcpid	President's Committee for People with Intellectual Disabilities
PFIAB	President's Foreign Intelligence Advisory Board
PHA's	Public Housing Agencies
PHMSA	Pipeline and Hazardous Materials Safety Administration
PHS	Public Health Service (U.S.)
PIA	Privacy Impact Assessments
PICUM	Platform for International Cooperation on Undocumented Migrants

PMEL	Pacific Marine Environmental Laboratory (NOAA and ERL)
PNGV	U.S. Partnership for a New Generation of Vehicles
PNNL	Pacific Northwest National Laboratory (DOE) (US)
PNR	Passenger Name Record
PortSTEP	Port Security Training Exercise Program
POW/MP	Prisoner of War/Missing Personnel
PRC	Postal Rate Commission
PSA	Public Service Announcement (radio/TV Term)
PSC	Program Support Center (US DHHS)
PTO	U.S. Patent And Trademark Office
PWBA	Pension and Welfare Benefits Administration
QAD	Quality Assurance Division
R&D	Research & Development
RCAG	Remote Controlled Air-Ground
RCMP	Royal Canadian Mounted Police
REAC	Real Estate Assessment Center
RHS	Rural Housing Service
RICO	Racketeer Influenced and Corrupt Organizations
RIT	Rochester Institute of Technology
RITA	Research and Innovative Technology Administration
RMA	Risk Management Agency
ROTC	Reserve Officer Training Corporation
RRB	Railroad Retirement Board
RSAF	Republic of Singapore Air Force
RSN	Republic of Singapore Navy
RSPA	Research and Special Programs Administration
RTB	Rural Telephone Bank
RUS	Rural Utilities Service
s&t	Directorate for Science and Technology
S/MIME	Secure/Multipurpose Internet Mail Extensions
SABER	Statistical Analysis Battery for Epidemiological Research
SAIF	Savings Association Insurance Fund
SAMHSA	Substance Abuse and Mental Health Services Administration
sba	Small Business Administrations
SBIR	Small Business Innovation Research
SCATS	Sydney Coordinated Adaptive Traffic System
SDO	Securities Division order
SDWIS	Safe Drinking Water Information System
SEC	Securities and Exchange Commission (US)
SEC	Space Environment Center
SES	Senior Executive Service
SFS	Scholarship for Service
SI	Smithsonian Institution (Washington, D.C.)
SIC	Standard Industrial Classification (Code)
SITES	Smithsonian Institution Traveling Exhibition Service
SLAC	The Department of Energy'sStanford Linear Accelerator Center in Palo Alto, California
SNL	Sandia National Laboratories
SPC	Storm Prediction Center
SPR	Strategic Petroleum Reserve (US)
SRS	Savannah River Site

SSA	Social Security Administration
SSI	Supplemental Security Income
SSS	Selective Service System
star	Center for Satellite Applications and Research
START	Strategic Arms Reduction Treaty
STAT.	United States Statutes At Large
STB	Surface Transportation Board
STI	Scientific and Technical Information
STRI	Smithsonian Tropical Research Institute
SWPC	Space Weather Prediction Center
TASC	Transportation Administrative Service Center
tda	Trade and Development Agency's
TEA-21	Transportation Equity Act for the 21st Century
TEC	US Army Topographic Engineering Center
TEFAP	The Emergency Food Assistance Program
TIGTA	Treasury Inspector General for Tax Administration
TPCC	Trade Promotion Coordinating Committee
TS	Technical Specification
TSA	Transportation Security Administration
TSI	Transportation Security Incident
TSP	Thrift Savings Plan
TTN	Technology Transfer Network
TVA	Tennessee Valley Authority (US) (electricity)
TWIC	Transportation Worker Identification Credential
U.N.	United Nations
U.S.C.	United States Code
UBPR	Uniform Bank Performance Report
UNESCO	United Nations Educational, Scientific and Cultural Organization
UNGA	United Nations General Assembly
Unhcr	United Nations High Commissioner for Refugees Program
UNICEF	United Nations International Children's Emergency Fund
UNICOR	Federal Prison Industries, Inc.
UNSCEAR	United Nations Scientific Committee on the Effects of Atomic Radiations
UPS	University of Puget Sound
UPU	Universal Postal Union
US-CERT	United States Computer Emergency Readiness Team
USA	United States Army
USACE	United States Army Corporation of Engineers
USAF	United States Air Force
USAFA	United States Air Force Academy
USAID	United States Agency for International Development
USAP	United States Antarctic Program
USCG	United States Coast Guard
USDA	United States Department of Agriculture
USDI	United States Department of the Interior (also
usfa	United States Fire Administration's
USFS	United States Forest Service
USGS	United States Geological Survey (DOI)
USIA	United States Information Agency (changed To IIP)
USITC	United States International Trade Commission

USMC	United States Marine Corporation
USN	United States Navy
usps	United States Postal Services
USPSTF	United States Preventive Services Task Force
USPTO	United States Patent and Trademark Office
USSS	United States Secret Service
VA	Veterans Affairs
vets	Veterans' Employment and Training Services
VHA	Veterans Health Administration's
VISTA	Volunteers in Service to America
VMT	vehicle miles traveled (transportation)
VOA	Voice Of America
VTS	Vessel Traffic Service
WB	Women's Bureau
WCC	Washington Conservation Corps
WES	Waterways Experiment Station (USACE)
WH	White House
WHO	World Health Organization
WIC	Women, Infants and Children
WIPP	Waste Isolation Pilot Plant (for Nuclear Wastes)
WMD	Weapons of mass destruction
WNC	World News Connection
WNET	Women's Network for Entrepreneurial Training
WSMR	White Sands Missile Range (whiz-murr)
WSSD	World Summit on Sustainable Development
WSU	Washington State University (Pullman, WA)
WTB	FCC Wireless Telecommunications Bureau
WTO	World Trade Organisation
YCC	Youth Conservation Corps
YLD	Young Lawyers Division
YRBSS	Youth Risk Behavior Surveillance System
ZIP	Zone Improvement Plan