| Acronym | Meaning |
| IT | InferoTemporal (neurophysiology) - Information Technology -Italy (FIPS 10-4 Country Code; ISO 3166 Digram) |
| CMA | U.S. Chemical Materials Agency |
| EE | Estonia (ISO 3166 Digram) -Electrical Engineering - Electrical Engineer |
| AWG | Aruban Guilder (ISO 4217 Currency Code) |
| NCIS | National Criminal Intelligence Service (British) - Naval Criminal Investigative Service (U.S. Navy) |
| CW | Continuous Wave (laser) -Cook Islands (FIPS 10-4 Territory Code) |
| MKT | Missouri-Kansas-Texas Railroad (1865-1989) - Mortal Kombat Trilogy |
| TC | Teracoulomb - Turks And Caicos (ISO 3166 Digram) - United Arab Emirates (FIPS 10-4 Country Code; From Trucial Coast States) |
| SWE | Swedish Language (ISO 639-2 Code) |
| UNPROFOR | United Nations Protection Force (in Former Yugoslavia) |