| Abbreviation | Definition |
|---|---|
| CSCP | Colorado Springs Commercial Properties |
| CSDC | Center Stage Dance Company |
| CSDC | Charter Schools Development Corporation |
| CSDC | China Shipping Development Company |
| CSDC | Cislunar Space Development Company |
| CSDC | Crystal Sea Drama Company |
| CSDG | Court Square Data Group |
| CSDI | Chaumont Systems Development Inc |
| CSDI | Complete System Design Inc |
| CSDI | Cornerstone Software Development Inc |
| CSE | Control Systems Engineering Department |
| CSE | Creative Sports Enterprises |
| CSEC | Customer Service Excellence Corporation |
| CSF | Clowns Sans Frontiers |
| CSF | CSF Couriers, Limited |
| CSFB | Credit Suisse First Boston |
| CSFD | Cruser's School For Dogs |
| CSFJ | Colegio San Francisco Javier |
| CSFS | Caribbean Support Flight Services |
| CSFS | Carrier Sekani Family Services |