| Navn |
| M. Archambaud |
|
| Macario |
|
| Machnow |
|
| Maes |
|
| Magmaa |
|
| Magnat-Debon |
|
| Magneet |
|
| Magni |
|
| Main d'Or |
|
| Mainline cycles |
|
| Maino |
|
| Mairag |
|
| Maitland Cycles |
|
| Malak |
|
| Malvern Star |
|
| Mann |
|
| Mantis |
|
| Manufrance |
|
| Marcaillou |
|
| Marcel Kint |
|
| Marcello |
|
| Mareze |
|
| Marin |
|
| Mariotas |
|
| Marlboro Cycles |
|
| Marotias |
|
| Maryan Polansky |
|
| Masahiro Yasuhara |
|
| Masi |
|
| Masil |
|
| Massi |
|
| Mavic |
|
| Max Meyer |
|
| Maxi Sports |
|
| Mazza |
|
| MBK |
|
| MCipollini |
|
| Medici |
|
| Megamo |
|
| Memil |
|
| Mendiz |
|
| Mengoni |
|
| Méral |
|
| Mercedes |
|
| Mercian Cycles |
|
| Mercier |
|
| Merida |
|
| Merlin |
|
| Merosa |
|
| Mertens Sport |
|
| Mervil |
|
| Mesa Cycles |
|
| Météore |
|
| Meteore |
|
| Metropole |
|
| Meulenberg |
|
| Mexller |
|
| MGI |
|
| Michel Pollentier |
|
| Minerva |
|
| Mittelholzer |
|
| Miyata |
|
| MMR |
|
| Moda |
|
| Mojo |
|
| Molteni |
|
| Mondia |
|
| Mondraker |
|
| Mongoose |
|
| Montecci |
|
| Monterosa |
|
| Montico |
|
| Moots |
|
| Moozes |
|
| Morales |
|
| Morati |
|
| Morewood |
|
| Morgul Bismark |
|
| Moser |
|
| Motion |
|
| Motobécane |
|
| Motoconfort |
|
| Motta |
|
| Mottram |
|
| MSC |
|
| Muddy Fox |
|
| Murray |
|
| Museeuw |
|
| Müsing |
|
| Musing |
|
| Muur |
|
| MŸsing |
|
| Myvelo |
|
