| Abbreviation | Definition |
|---|---|
| CSAI | Cellular Subscribers Association of India |
| CSAI | Creative Systems Architecture, Inc. |
| CSBF | Company Secretaries Benevolent Fund |
| CSC | Cablevision Systems Corporation |
| CSC | Chesapeake Shakespeare Company |
| CSC | Classic Stage Company |
| CSC | Cobra Security Center |
| CSC | Commonwealth Shakespeare Company |
| CSC | Commonwealth Superannuation Corporation |
| CSC | Communications Supply Corporation |
| CSC | Computer Sciences Corporation |
| CSC | Computer Service Center |
| CSC | Contemporary Services Corporation |
| CSC | Corporation Service Company |
| CSC | Customer Satisfaction Center |
| CSC | Scientific Company |
| CSCC | Columbia-Southern Chemical Corporation |
| CSCEC | China State Construction Engineering Corporation |
| CSCI | Coastal Seat Cushions Inc |
| CSCP | Calvert Street Capital Partners |