| Abbreviation | Definition |
|---|---|
| CIDAMI | Cacao Industry Development Authority of Mindanao Inc |
| CIDC | Cambridge Interactive Development Corporation |
| CIDC | Carthage Industrial Development Corporation |
| CIDC | Caspian Investment and Development Corporation |
| CIDC | Clackamas Indigent Defense Corporation |
| CIDC | Claremont Improvement District Company |
| CIDC | Conroe Industrial Development Corporation |
| CIE | Center for International Economics |
| CIE | Coney Island Emporium |
| CIENG | C & I Engineering Inc |
| CIERAI | Centre for International Educational Research and Innovation Pvt ltd |
| CIF | Chalmers Islamiska Forening |
| CIFC | Cebu International Finance Corporation |
| CIFC | China International Finance Corporation |
| CIFR | Center for IDEA Fiscal Reporting |
| CIG | Ci International Group |
| CIG | Comco Industrial Group |
| CIGI | Carrabba's Italian Grill Inc. |
| CIGI | Coach Industries Group Inc |
| CIGI | Colliers International Group Inc |