| Magistrates' Association |
Miscellaneous |
|
| Manchester Norman Angell League |
Miscellaneous |
|
| Manchester Unity of Oddfellows |
Miscellaneous |
|
| Market Research Society |
Professional/trade organisations |
|
| Master Sadlers Co |
Miscellaneous |
|
| Mechanics Institute |
Miscellaneous |
|
| Medical campaign against nuclear weapons |
Pressure/campaign organisations |
|
| Medical Research Council |
Miscellaneous |
|
| Menswear Association of Great Britain |
Miscellaneous |
|
| Methodist New Connection |
Religious organisations |
|
| Methodist Union |
Religious organisations |
|
| Mewadd Deg |
Miscellaneous |
|
| Middle Classes Union |
Cultural organisations |
|
| Mind |
Charitable/philanthropic organisations |
|
| Miners' International Federation |
International organisations |
|
| Mining Association of GB |
Miscellaneous |
|
| Momentum |
Pressure/campaign organisations |
|
| Monday Club |
Party-affiliated organisations |
|
| Municipal Reform League |
Pressure/campaign organisations |
|