| Main Street Bicycles | IL | Carpentersville | 5 |
| Main Street Bicycles | CA | | 4 |
| Main Street Bicycles - Washington Twp | MI | Washington | 6 |
| Main Street Cyclery | CA | Seal Beach | 1 |
| Maine Bike Works | ME | Saco | 0 |
| Maine Sport Outfitters | ME | Rockport | 0 |
| MainStreet Cycles | CA | | 2 |
| Manchester Cycle Shop | CT | Manchester | 2 |
| Mangrove Cycles | FL | Key Biscayne | 0 |
| Manteo Cyclery | NC | Manteo | 1 |
| Maple Grove Cycling | MN | Minneapolis | 0 |
| Maple Grove Cycling & Fitness | MN | Maple Grove | 3 |
| Maplewood Bicycle | MO | St. Louis | 6 |
| Mark's Bike Shop | VA | Harrisonburg | 0 |
| Martie's Cycle And Moore's | OR | Medford | 5 |
| Martins Bike Shop | PA | Ephrata | 3 |
| Marty's Bike Shop | OH | Stow | 3 |
| Marty's Bike Shop | PA | Muncy | 1 |
| Marty's Cycle Center | OH | Bay Village | 0 |
| Marty's Reliable Cycle - Hackettstown | NJ | Hackettstown | 7 |
| Marty's Reliable Cycle - Morristown | NJ | Morristown | 10 |
| Marty's Reliable Cycle - Randolph | NJ | Randolph | 6 |
| Mason Racing Cycles | NH | Lebanon | 15 |
| Master Bike | NY | New York | 0 |
| Mathieu's Cycle And Fitness | ME | Farmingdale | 2 |
| Mathieu's Cycle And Fitness Store | ME | Oakland | 3 |
| Matt's Bicycle Center | FL | Cocoa Beach | 2 |
| Matthew Larsen Wheelbuilding | WA | Spokane | 1 |
| Matthew's Bicycle Mart | IN | Indianapolis | 2 |
| Maui Cyclery | HI | Paia | 2 |
| Maul's Bike Shop | MA | Halifax | 7 |
| Maverick's Square Adaptive Cyclery | NH | Amherst | 4 |
| Mccully Bicycle | HI | | 1 |
| Mccully Bicycle & Sporting Goods | HI | | 4 |
| McDowell Mountain Cycles | AZ | Fountain Hills | 0 |
| McGhie's Ski, Bike, and Board - Blue Diamond | NV | Blue Diamond | 8 |
| McGhie's Ski, Bike, and Board - Vegas | NV | Las Vegas | 4 |
| McGhie's Ski, Bike, and Board -Henderson | NV | Henderson | 2 |
| Mclain Cycle & Fitness | MI | Traverse City | 6 |
| Mead's Bike Shop | IL | | 1 |
| Mega Cycles | FL | Sunrise | 1 |
| Mello Velo Bicycle Shop and Cafe | NY | Syracuse | 8 |
| Mellow Johnny's | TX | Austin | 8 |
| Mellow Johnny's - Fort Worth | TX | Fort Worth | 8 |
| Mellow Velo | NM | Santa Fe | 7 |
| melonbike | OK | Oklahoma City | 0 |
| Menifee Bicycles | CA | | 0 |
| Menlo Velo Bicycles | CA | | 2 |
| Meridian Cycles | MS | Meridian | 10 |
| Mesa Cycles | MO | St. Louis | 11 |
| Metalmtn Cycling | CA | | 3 |
| Methow Cycle & Sport | WA | Winthrop | 6 |
| Metropolis Cycle Repair | OR | Portland | 5 |
| MG Cycle & Sport | CO | | 5 |
| Miami Beach Bicycle Center | FL | Miami Beach | 2 |
| Michael's Bicycles | CA | | 9 |
| Michael's Cycles | WI | Janesville | 2 |
| Michael's Cycles | MN | Prior Lake | 1 |
| Middle of Town Cycling | KY | Louisville | 1 |
| Middle Ring Cycles | NC | Albemarle | 0 |
| Middletown Cycling | KY | Louisville | 3 |
| Midwest Cyclery | IL | Wheaton | 0 |
| Mike's Bike Shop of Staten Island | NY | Staten Island | 1 |
| Mike's Bike Works Llc | NY | Cohoes | 0 |
| Mike's Bikes | NV | Tonopah | 1 |
| Mike's Bikes | CA | | 0 |
| Mike's Bikes | CA | Walnut Creek | 1 |
| Mike's Bikes - Berkeley | CA | Berkeley | 11 |
| Mike's Bikes - Los Gatos | CA | | 7 |
| Mike's Bikes - Palo Alto | CA | Palo Alto | 6 |
| Mike's Bikes - Petaluma | CA | Petaluma | 9 |
| Mike's Bikes - San Francisco | CA | San Francisco | 4 |
| Mike's Bikes - Sausalito | CA | | 3 |
| Mike's Bikes Of Gurnee | IL | Gurnee | 0 |
| Mike's Bikes Of Los Gatos | CA | | 5 |
| Mike's Bikes Of Palo Alto | CA | Palo Alto | 1 |
| Mike's Bikes Of Petaluma | CA | Petaluma | 2 |
| Mike's Bikes Of Sacramento | CA | | 6 |
| Mike's Bikes Of San Rafael | CA | | 2 |
| Mike's Bikes Of Sausalito | CA | | 3 |
| Mike's Hike and Bike London | KY | London | 0 |
| Mike's Velo City | CA | Winters | 0 |
| Mikes Bike Shop | IL | Palatine | 0 |
| Mikes Bikes | GA | | 2 |
| Mikes Bikes | CA | | 11 |
| Mikes Bikes | CA | Petaluma | 4 |
| Mikes Bikes Corporate | CA | | 4 |
| Mikes Bikes San Jose | CA | San Jose | 5 |
| Mikes Hike And Bike | KY | Richmond | 6 |
| Milford Bicycle | MA | Milford | 24 |
| Mill Race Cyclery | IL | Geneva | 0 |
| Mill Valley Cycleworks | CA | | 1 |
| Milltown Cycle | MN | Faribault | 0 |
| Milltown Cycles | MN | Fairbault | 2 |
| Mineola Bicycle And Lawn Mower | NY | Mineola | 1 |
| Miner's Cycles | NY | | 0 |
| Missing Link Bicycle Co-op | CA | Berkeley | 5 |
| Missing Link Bicycle Cooperative | CA | Berkeley | 1 |
| Missoula Bicycle Works | MT | Missoula | 15 |
| Missoula Bike Source | MT | Missoula | 19 |
| MJ's Cyclery | CA | San Diego | 4 |
| Moab Cyclery | UT | Moab | 22 |
| MOAB Franklin | TN | Franklin | 1 |
| MOAB Murfreesboro | TN | Murfreesboro | 18 |
| MOAB Nashville | TN | Nashville | 0 |
| Mobile Bici | CT | Stamford | 5 |
| Mobile Bike Werx | TX | Providence Village | 0 |
| Mock Orange Bikes | NC | Winston-Salem | 8 |
| Modern Bike | IA | Des Moines | 1 |
| Modsquad Cycles | NY | | 1 |
| Moe's Bike Shop | OR | North Bend | 1 |
| Mojo Cyclery | WA | Spokane Valley | 1 |
| Mojo Cycles | NC | Matthews | 0 |
| Mojo Cycling | AR | Bentonville | 52 |
| Mojo Outdoor Sports | ME | Presque Isle | 6 |
| Mojo Wheels | CO | Denver | 103 |
| Molokai Bicycle | HI | Kaunakakai | 1 |
| Moment Bicycles | CA | San Diego | 2 |
| Moment Bicycles - Carmel Valley | CA | San Diego | 1 |
| Momentum Bikes | WI | Platteville | 2 |
| Monkey Wrench Cycles | NE | Lincoln | 5 |
| Montana Cycling And Ski | MT | Billings | 5 |
| Montclair Bikery | NJ | Pitman | 2 |
| Montgomery Cyclery | OH | Cincinnati | 2 |
| Montgomery Cyclery - Beechmont | OH | Cincinnati | 1 |
| Montgomery Cyclery - Cold Spring | KY | Erlanger | 2 |
| Montgomery Cyclery - Erlanger | KY | Erlanger | 1 |
| Montgomery Cyclery - Montgomery | OH | Cincinnati | 1 |
| Montgomery Cyclery - West Chester | OH | West Chester | 1 |
| Montlake Bike Shop | WA | Seattle | 8 |
| Montrose Bike Shop | CA | | 3 |
| Montrose Bike Shop | CA | montrose | 3 |
| Moontime Cyclery - Eagle | CO | Eagle | 2 |
| Moontime Cyclery - Edwards | CO | Edwards | 7 |
| Moore's Bicycle Shop, Inc. | MS | Hattiesburg | 1 |
| Moore's Bike Shop | MS | Hattiesburg | 0 |
| Moosejaw | MI | Grand Rapids | 0 |
| Moosejaw | AR | Bentonville | 1 |
| Morris Custom Bicycles | WA | Ferndale | 1 |
| Mossy Mountain Bikeworks | NC | Mars Hill | 2 |
| Mother Lode Bicycles | NV | Sparks | 0 |
| Motion Cycling & Fitness | IN | Fishers | 1 |
| Motion Makers - Asheville | NC | Asheville | 15 |
| Motion Makers - Cherokee | NC | Cherokee | 0 |
| Motion Makers - Sylva | NC | Sylva | 0 |
| Moto Velo | NC | Hickory | 0 |
| Motor City Bicycle (Ann Arbor) | MI | Ann Arbor | 1 |
| Motor City Bicycle (Brighton) | MI | Brighton | 2 |
| Motor City Bicycle (Canton) | MI | Canton | 0 |
| Motorless Motion | MI | Mt. Pleasant | 0 |
| Mount Snow Sports | VT | Dover | 2 |
| Mountain Bike Shed | MO | Eureka | 2 |
| Mountain Bike Specialists | CO | Durango | 4 |
| Mountain Dog Cycling | NV | Reno | 2 |
| Mountain High Cyclery | CO | Loveland | 0 |
| Mountain Man Outdoor Center | NY | | 1 |
| Mountain Outfitters | CO | Breckenridge | 1 |
| Mountain Pedaler - Eagle | CO | Eagle | 4 |
| Mountain Pedaler Bicycles | CA | Angels Camp | 0 |
| Mountain Riders | NY | Plattsburgh | 4 |
| Mountain Road Cycles | OH | Chagrin Falls | 3 |
| Mountain Sports | WY | Casper | 1 |
| Mountain Sports Ltd | VA | Bristol | 2 |
| Mountain Sports Of Angel Fire | NM | Angel Fire | 1 |
| Mountain Sports Outlet | CO | Silverthorne | 1 |
| Mountain Valley Bicycles | PA | East Stroudsburg | 2 |
| Mountain Velo | UT | Park City | 1 |
| Mountain View Cycles | OR | Hood River | 4 |
| MountainOps | VT | Stowe | 8 |
| Mountainview Bike Shop | ID | Hayden | 3 |
| Mr Bills Bike Shop | NJ | Pitman | 3 |
| Mr. Bike, Ski, & Fitness | MI | Escanaba | 2 |
| Mr. Crampy's Multisport | WA | Redmond | 0 |
| Mr. E Cyclery | CA | | 11 |
| Mr. Goodbike | FL | Gainesville | 6 |
| Mt. Airy Bikes / Bike 123.com | MD | | 0 |
| Mt. Tam Bikes | CA | | 24 |
| MTB HQ | WA | Snoqualmie | 0 |
| Mtn Riders | VT | Rawsonville | 2 |
| Muddy Bikes | MN | | 3 |
| Muddy River Bicycle Co. | OH | Findlay | 0 |
| MustAsheville Bikes | NC | Asheville | 0 |
| MWS SPORTS | OR | Bend | 0 |
| Mycle's Cycles | OH | Georgetown | 0 |
| Mystic Cycle Center | CT | Mystic | 3 |
| Mystic Cycle Centre | CT | Mystic | 3 |
| Mythic Bike Works | RI | South Kingstown | 0 |
| Nantahala Outdoor Center | NC | Bryson City | 2 |
| Napa River Velo | CA | | 4 |
| Napa Valley Velo | CA | Napa | 0 |
| Natomas Bike Shop | CA | | 4 |
| Nault's Cyclery | NH | Manchester | 2 |
| NBX Bikes | RI | Narragansett | 3 |
| NBX Bikes of East Providence | RI | Providence | 1 |
| NBX Bikes of Narragansett | RI | Narragansett | 1 |
| NBX Bikes of Providence | RI | Providence | 3 |
| NBX Bikes of Warwick | RI | Warwick | 7 |
| NBX on Fourth St | RI | Providence | 5 |
| Nebo Peaks Cycles | UT | Payson | 4 |
| Nebo Ridge | IN | West Carmel | 1 |