| CIIC | Cancer Immunology and Immunotherapy Center 
| Others |
| CIIC | Cancer Immunology and Immunotherapy Centre
| Others |
| CIIC | Carolyn Izzo Integrated Communications
| Others |
| CIIC | Caspian International Investment Company
| Others |
| CIIC | Central Indiana Impreza Club
| Others |
| CIIC | Childhood Influenza Immunization Coalition
| Others |
| CIIC | China Infrastructure Investment Corp
| Others |
| CIIC | China Infrastructure Investment Corporation
| Others |
| CIIC | China International Intellectech Corp
| Others |
| CIIC | China International Intellectech Corporation
| Others |
| CIIC | Clinical Information Interoperability Council
| Others |
| CIIC | Coalition of Irish Immigration Centers
| Others |
| CIIC | Commercial International Investment Co
| Others |
| CIIC | Community Insurance Information Center
| Others |
| CIIC | Construction in Indian Country
| Others |
| CIIC | Continuous Improvement and Innovation Conference
| Others |
| CIIC | Controlled Inventory Item Code
| Others |
| CIIC | Cook Islands Investment Corporation
| Others |
| CIIC | Correctional Institution Inspection Committee
| Others |
| CIIC | Correctional Institutional Inspection Committee
| Others |
| CIIC | Correspondence Iberoamerican Informatics Competition
| Others |
| CIIC | Creative Industries Innovation Centre
| Others |