Business and Finance
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| (A3) | Armor/anti-armor | - | Business and Finance |
| (AA3) | Accident Analysis Computer Program | - | Business and Finance |
| (C3) | Command | - | Business and Finance |
| (C4) | Center For Clouds | - | Business and Finance |
| (ES) | Sporadic E | - | Business and Finance |