| Abbreviation | Definition |
|---|---|
| MAP | Maine Public Service Company |
| MAX | Mercury Air Group, Inc. |
| MBE | Malibu Entertainment Worldwide, Inc. |
| MBP | Mid Penn Bancorp, Inc. |
| MCBF | M C B Financial Corporation |
| MCP | Morgan Stanley Dean Witter |
| MCX | M C Shipping, Inc. |
| MCZ | Mad Catz Interactive, Inc. |
| MDB | Professional Bancorp |
| MDH | Muniholdings Michigan Insured Fund II |
| MDJ | Merrill Lynch & Company, Inc. |
| MDY | Midcap S P D R Trust |
| MED | E Medsoft.Com |
| MEGA | Media General, Inc. Class A |
| MEM | Merrill Lynch & Company, Inc. |
| MEW | Vasogen, Inc. |
| MFGPA | M B Capital I |
| MG | Morgan Group, Inc. |
| MGP | Merchants Group, Inc. |
| MHG | Meritage Hospitality Group, Inc. |