| A | B |
| ABA (Law) | American Bar Association |
| ERA (Politics) | Equal Rights Amendment |
| FBI (Government) | Federal Bureau of Investigation |
| FEMA (Government) | Federal Emergency Management Agency |
| HMO (Healthcare) | Health Maintenance Organization |
| HVAC (Techology) | Heating Ventilation and Air Conditioning |
| DEA (Government) | Drug Enforcement Agency |
| DHS (Government) | Department of Homeland Security |
| IAEA (International Relations) | International Atomic Energy Agency |
| EPA (Government) | Evnironmental Protection Agency |
| INS (Government) | Immigration and Naturalization Service |
| IMF (International Politics) | International Monetary Fund |
| WTO (International Politics) | World Trade Organization |
| NATO (International Politics) | North Atlantic Treaty Organization |
| CIS (International Politics) | Commonwealth of Independent States |
| ASEAN (International Politics) | Association of Southeast Asian Nation |
| LAS (International Politics) | League of Arab States |
| AU (International Politics) | African Union |
| CIA (Government) | Central Intelligence Agency |
| REM (Biology) | Rapid Eye Movement |
| VAT (Economics) | Value Added Tax |
| YTD (Economics) | Year To Date |
| WMD (International Politics) | Weapons of Mass Destruction |
| YMCA (Religion) | Young Men's Christian Association |
| TEFL (Education) | Teaching English as Foreign Language |
| SEC (Government) | Securities and Exchange Commission |
| SARS (Health) | Severe Acute Respiratory Syndrome |
| LASER (Science) | Light Amplificatin by Stimulated Emission of Radiation |
| TASER (Science) | Thomas A. Swift Electric Rifle |
| ISP (Computers) | Internet Service Provider |
| IRS (Government) | Internal Revenue Service |
| IRA (Finance) | Individual Retirement Account |
| NCAA (Sports) | National Collegiate Athletic Association |
| URL (Computers) | Universal Resource Locator |
| USDA (Government) | United States Department of Agriculture |
| SSI (Government) | Supplementary Security Income |
| FICA (Government) | Federal Insurance Contributions Act |
| IPO (Economics) | Initial Public Offering |
| ROTC (Military) | Reserve Officer Training Corps |
| OPEC (International Relations) | Organization of Petroleum Exporting Countries |
| OMB (Government) | Office of Management and Budget |
| RNA (Biology) | Ribonucleic Acid |
| DNA (Biology) | Deoxyribonucleic Acid |
| CPR (Biology) | Cardiopulmonary resuscitation |
| UPC (Economics) | Universal Product Code |
| PPO (Computer) | Preferred Provider Organization |
| FTP (Computer) | File Transfer Protocol |
| AFL-CIO (Labor) | American Federation of Labor-Congress of Industrial Organizations |
| ARM (Ecomics) | Adjustable Rate Mortgage |
| COD (Economics) | Cash On Delivery |
| AWOL (Military) | Absent Without Leave |
| CDC (Health/Government) | Center for Disease Control |
| CEO (Economics) | Chief Executive Officer |
| CFO (Economics) | Chief Financial Officer |
| EKG (Health) | Electrocardiogram |
| EEG (Health) | Electroencephalogram |
| ESL (Education) | English as a Second Language |
| RCMP (Law Enforcement) | Royal Canadian Mounted Police |
| ROM (Computer) | Read Only Memory |
| PAC (Politics) | Political Action Committee |
| IAEA (International Relations) | International Atomic Energy Agency |
| NRC (Government) | Nuclear Regulatory Commission |
| NASA (Government) | National Aeronautical and Space Administration |
| NSA (Government) | National Security Agency |
| GATT (International Relations) | General Agreement on Tariffs and Trade |
| WFO (International Relations) | World Food Organization |
| UNHCR (International Relations) | United Nations High Commission for Refugees |
| ICC (International Relations) | International Criminal Court |
| ATF (Government) | Bureau of Alcohol Tobacco and Firearms |
| TSA (Government) | Transportation Security Administration |
| CORE (Civil Rights) | Congress on Racial Equality |
| SNCC (Civil Rights) | Student Non Violent Coordinating Committee |
| SCLC (Civil Rights) | Southern Christian Leadership Conference |
| NAACP (Civil Rights) | National Association for the Advancement of Colored People |
| NIT (Sports) | National Invitational Tournament |
| MEAC (College Sports) | Mid-Eastern Atlantic Conference |
| SWAC (College Sports) | Southwestern Athletic Conference |
| SEC (College Sports | Southeast Athletic Conference |
| BIA (Government) | Bureau of Indian Affairs |
| TVA (Government) | Tennessee Valley Authority |
| SIAC (College Sports) | Southern Intercollegiate Athletic Conference |