| Acronym | Meaning |
 | SS | Secret Service |
| OECD | Organization For Economic Cooperation And Development |
| USPTO | United States Patent And Trademark Office |
| UPU | Universal Postal Union |
| ATF | Bureau Of Alcohol |
| INTERPOL | International Criminal Police Organization |
| BIC | Business Information Center |
| AMES | Ames Laboratory |
| CIS | Cancer Information Service |
| DDC | Defense Distribution Center |
Browse by Letter:
