sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Chief Science Technology Officer | *** |
| Chief Strategy Technology Officer | *** |
| Collective Security Treaty Organisation | ** |
| chemical salpingitis induced tubal obstruction | ** |
| Chief Security Tactical Officer | ** |
| country standard technical orders | ** |
| Center for the Surgical Treatment of Obesity | ** |
| Castle Square Tenants Organization | ** |
| Costco Soulmate Trading Outlet | ** |
| Centre for the Study of Technology and Organisation | ** |
| Committee of Senior Treasury Officials | ** |
| Central Security Treaty Organization | ** |
| Centre for the Study of Technology Organisation | ** |
| Computer Science Technology Office | ** |
| Compression Sense Time Out | * |
| Common Security Treaty Organization | * |
| Commonwealth Security Treaty Organization | * |
| Centrum Symulacji Taktyczno Operacyjnych | * |
| Chief of Santa Tracking Operations | * |
| Chicago Sun Times Online | * |