| Abbreviation | Definition |
|---|---|
| MWA | Millenium Wrestling Alliance |
| MWC | Mountaineer Wrestling Camp |
| MWF | Mainstream Wrestling Federation |
| MWF | Maniac Wrestling Federation |
| MWF | Massacre Wrestling Federation |
| MWF | Michigan Wrestling Federation |
| MWF | Micro Wrestling Federation |
| MWF | Midget Wrestling Federation |
| MWF | Millennium Wrestling Federation |
| MYWA | Michigan Youth Wrestling Association |
| MZW | Maniac Zone Wrestling |
| NAW | New Attitude Wrestling |
| NAW | North American Wrestling Foundation |
| NAWF | North American Wrestling Federation |
| NBW | Norton British Wrestling |
| NBW | Nothing But Wrestling |
| NCW | New Championship Wrestling |
| NCW | Northeast Championship Wrestling |
| NCW | Northside Championship Wrestling |
| NCW | Now Crappy Wrestling |