| Abbreviation | Definition |
|---|---|
| MCI | The Managers Club, Inc. |
| MCI | The Managers Club, Incorporated |
| MCIC | Merchandise Connection Intl Corp |
| MCII | Metal Coatings International, Incorporated |
| MCII | Motivational Centers International, Incorporated |
| MCII | Motor Coach Industries International |
| MCIL | Media Chinese International Ltd |
| MCIL | Metal Coatings India Ltd |
| MCL | Matthew Campbell Laurenza |
| MCL | Medical Consultants Network, Inc. |
| MCL | Monster CableLinks |
| MCM | Manila Chat Marketers |
| MCM | Mellon Capital Management |
| MCM | Michael Cromer of Munich, fashion designer |
| MCM | Miller Condominium Marketing |
| MCM | Mode Creation Munich |
| MCMI | Multi Channel Media International |
| MCN | Medical Consultants Network, Inc. |
| MCN | Medical Consultants Network, Incorporated |
| MCN | Metro Cable Network |