| Maciag Offroad |  | | Leipzig | 11 |
| Main Street Bicycle Company | | MI | Zeeland | 0 |
| Malatestas Bikes | | | | 1 |
| Mammoth Madrid | | | Madrid | 11 |
| Markið | | | Reykjavík | 5 |
| Marty's Reliable Cycle - Morristown | | NJ | Morristown | 10 |
| Marty's Reliable Cycle - Randolph | | NJ | Randolph | 6 |
| Mathieu Performance | | QC | Québec City | 63 |
| Metz 2RADFACHGESCHÄFT | | | Davos | 0 |
| Miami Beach Bicycle Center | | FL | Miami Beach | 2 |
| MIG / Oman Bicycle Shop | | | Muscat | 0 |
| MKcycles | | | Bolton | 1 |
| Moab Cyclery | | UT | Moab | 22 |
| Mountain Dog Cycling | | NV | Reno | 2 |
| Mountain Mania Cycles - Carterton | | | Carterton | 2 |
| Mountain Mania Cycles - Didcot | | | Didcot | 2 |
| Mountain Mania Cycles - Goring | | | Reading | 2 |
| Mountain Mania Cycles - Tring | | | Tring | 5 |
| Mountain Trax | | | Wokingham | 20 |
| Muddy Bikes | | MN | | 3 |
| MX Sport Leangen AS | | | Trondheim | 0 |
| MX Sport Malvik AS | | | Hommelvik | 0 |
| My Ride Woden | | | Canberra | 1 |