| Abbreviation | Definition |
|---|---|
| MBD | MBIA, Inc. |
| MBD | MBIA, Incorporated |
| MBG | Mandalay Resort Group |
| MBJ | Morgan Stanley STARS based on the CBOE S&P 500 |
| MBK | Bank Tokyo- Mitsubishi, LTD. |
| MBT | Mobile TeleSystems OJSC |
| MC | Matsushita Electronics Industrial, LTD. |
| MCA | Muniyield California Insured Fund II |
| MCC | Mestek, Inc. |
| MCD | McDonalds Corporation |
| MCE | M C N Energy Group, Inc. |
| MCF | Muniholdings California Insured Fund, Inc. |
| MCF | Muniholdings California Insured Fund, Incorporated |
| MCG | Muniholdings Michigan Insured Fund, Inc. |
| MCG | Muniholdings Michigan Insured Fund, Incorporated |
| MCH | Millennium Chemicals, Inc. |
| MCI | Mass Mutual Corporate Investments of Indiana |
| MCJ | McDonalds Corporation |
| MCK | McKesson Corporation |
| MCK | McKesson H B O C, Inc. |