| Acronym | Definition |
|---|
| MCCI➣Mutuelle des Chambres de Commerce et d'Industrie (French: Mutual Chambers of Commerce and Industry) |
| MCCI➣Multi Crew Co-Operation Instructor (various locations) |
| MCCI➣McCormick Correctional Institution (South Carolina Department of Corrections) |
| MCCI➣Molten Core Concrete Interaction |
| MCCI➣Mission Capability and Compliance Inspection (US Air Force) |
| MCCI➣Molten Corium-Concrete Interaction |
| MCCI➣Monmouth County Correctional Institution (New Jersey) |
| MCCI➣Mandaluyong Chamber of Commerce and Industry |
| MCCI➣Multi-Channel Communications Interface |
| MCCI➣Metro Cash Carry International (various locations) |
| MCCI➣Motor Carrier Consultants, Inc. |
| MCCI➣Mandane Chamber of Commerce and Industry (Philippines) |
| MCCI➣Marion County Correctional Institution (Ocala, Florida) |