| CEIC | California Energy Investment Center 
| Others |
| CEIC | California Environmental Information Clearinghouse
| Others |
| CEIC | Census and Economic Information Center
| Others |
| CEIC | Census Economic Information Center
| Others |
| CEIC | Center for Excellence in Integrated Care
| Others |
| CEIC | Central Eastside Industrial Council
| Others |
| CEIC | Certified Examiner In Charge
| Others |
| CEIC | Chemical Engineering and Industrial Chemistry
| Others |
| CEIC | Chesapeake Environmental Improvement Council
| Others |
| CEIC | Columbia Employment Information Center
| Others |
| CEIC | Community Education Impact Committee
| Others |
| CEIC | Computer and Enterprise Investigations Conference
| Others |
| CEIC | Continuous Energy Improvement Commissioning
| Others |