| Abbreviation | Definition |
|---|---|
| CSSC | China State Shipbuilding Corporation |
| CSSCORP | CSS Corp's |
| CSSCS | Corporation for Social Security Claiming Strategies |
| CSSI | Chattanooga Shooting Supplies Inc |
| CSSI | Consolidated Storage Solutions Inc |
| CSSI | Corporate Special Services Inc |
| CSSI | Creative Surveillance Solutions Inc |
| CSSI | Culinary Sales Support Inc |
| CSSI | Cyber Solutions Services Inc |
| CST | California Seller of Travel |
| CST | Custom Source Tools |
| CSTC | Calcutta State Transport Corporation |
| CSTC | California Safety Training Corporation |
| CSTI | Construction Survey Technologies Inc |
| CSU | Colorado Springs Utilities |
| CSUL | Chandra Sakti Utama Leasing |
| CSV | Cave Spring Vineyard |
| CSV | Corsa Specialised Vehicles |
| CSVA | Ceramic Studio of Virginia Dental laboratories |
| CSVC | Caspian Sea Ventures Corporation |