| Mad Cat Bicycles | Bike Shop | | | 3 |
| Mad Cat Bikes | Bike Shop | | | 13 |
| Madera Bike Shop | Bike Shop | Madera | | 2 |
| Main Street Bicycles | Bike Shop | | | 4 |
| Main Street Cyclery | Bike Shop | Seal Beach | | 1 |
| Main Street Elite Race Team | Race Team | | | 1 |
| MainStreet Cycles | Bike Shop | | | 2 |
| Marin County Bicycle Coalition | Trail Association | | | 8 |
| MASH Transit Store | Club | San Francisco | | 7 |
| Meadow Vista Trail Association | Trail Association | Meadow Vista | | 0 |
| Mediocre Mountain Descenders | Club | | | 2 |
| Mendocino Coast Cyclists | Trail Association | Fort Bragg | | 6 |
| Menifee Bicycles | Bike Shop | | | 0 |
| Menlo Velo Bicycles | Bike Shop | | | 2 |
| Mere Mortals Mountain Bike Club | Club | Los Altos | | 0 |
| Metalmtn Cycling | Bike Shop | | | 3 |
| Michael's Bicycles | Bike Shop | | | 9 |
| Midpeninsula Regional Open Space District | Trail Association | Los Altos | | 2 |
| Mike's Bikes | Bike Shop | | | 0 |
| Mike's Bikes | Bike Shop | Walnut Creek | | 1 |
| Mike's Bikes - Berkeley | Bike Shop | Berkeley | | 11 |
| Mike's Bikes - Los Gatos | Bike Shop | | | 7 |
| Mike's Bikes - Palo Alto | Bike Shop | Palo Alto | | 6 |
| Mike's Bikes - Petaluma | Bike Shop | Petaluma | | 9 |
| Mike's Bikes - San Francisco | Bike Shop | San Francisco | | 4 |
| Mike's Bikes - Sausalito | Bike Shop | | | 3 |
| Mike's Bikes Of Los Gatos | Bike Shop | | | 5 |
| Mike's Bikes Of Palo Alto | Bike Shop | Palo Alto | | 1 |
| Mike's Bikes Of Petaluma | Bike Shop | Petaluma | | 2 |
| Mike's Bikes Of Sacramento | Bike Shop | | | 6 |
| Mike's Bikes Of San Rafael | Bike Shop | | | 2 |
| Mike's Bikes Of Sausalito | Bike Shop | | | 3 |
| Mike's Velo City | Bike Shop | Winters | | 0 |
| Mikes Bikes | Bike Shop | | | 11 |
| Mikes Bikes | Bike Shop | Petaluma | | 4 |
| Mikes Bikes Corporate | Bike Shop | | | 4 |
| Mikes Bikes San Jose | Bike Shop | San Jose | | 5 |
| Mill Valley Cycleworks | Bike Shop | | | 1 |
| Million Foot Club | Club | | | 3 |
| Missing Link Bicycle Co-op | Bike Shop | Berkeley | | 5 |
| Missing Link Bicycle Cooperative | Bike Shop | Berkeley | | 1 |
| MJ's Cyclery | Bike Shop | San Diego | | 4 |
| Moment Bicycles | Bike Shop | San Diego | | 2 |
| Moment Bicycles - Carmel Valley | Bike Shop | San Diego | | 1 |
| Monterey Off Road Cycling Association | Trail Association | Monterey | | 5 |
| Monticello Cycling Club | Club | Vacaville | | 2 |
| Montrose Bike Shop | Bike Shop | | | 3 |
| Montrose Bike Shop | Bike Shop | montrose | | 3 |
| Mother Lode Trail Stewardship | Trail Association | Placerville | | 4 |
| Mount Shasta Mountain Bike Association | Trail Association | Mount Shasta | | 16 |
| Mount Shasta Trail Association | Trail Association | Mount Shasta | | 0 |
| Mount Wilson Bicycling Association | Trail Association | | | 12 |
| Mountain & River Adventures | Other | | | 1 |
| Mountain Bike San Francisco | Guides & Tours | | | 1 |
| Mountain Pedaler Bicycles | Bike Shop | Angels Camp | | 0 |
| Mr. E Cyclery | Bike Shop | | | 11 |
| Mt Wilson MTB Adventure | Shuttle Service | | | 35 |
| Mt. Tam Bikes | Bike Shop | | | 24 |
| Napa River Velo | Bike Shop | | | 4 |
| Napa Valley Velo | Bike Shop | Napa | | 0 |
| Natomas Bike Shop | Bike Shop | | | 4 |
| Newbury Park Bicycle Shop | Bike Shop | | | 8 |
| Newbury Park Bicycles | Bike Shop | | | 11 |
| Newbury Park Bike Shop | Bike Shop | | | 4 |
| Newhall Bicycle Co. | Bike Shop | | | 2 |
| Newport Cruisers | Bike Shop | | | 1 |
| Nomad Cyclery | Bike Shop | San Francisco | | 1 |
| Non Dot Adventures | Guides & Tours | | | 0 |
| Norcal Bike Sport | Bike Shop | | | 9 |
| Norcal Cycling League | Other | | | 0 |
| North Of The Border | Bike Shop | | | 15 |
| North Of The Border Bicycles | Bike Shop | | | 5 |
| North Rim Adventure | Bike Shop | | | 26 |
| North Rim Adventure Sports | Bike Shop | | | 1 |
| Northstar Bike Academy | Coaching & Camps | Truckee | | 0 |
| Northstar Demos | Bike Shop | Truckee | | 26 |
| Nytro | Bike Shop | | | 3 |
| Oakley | Other | | | 0 |
| Oange County Bicycle Garage (ocbg) | Bike Shop | | | 5 |
| Ocean Cyclery | Bike Shop | San Francisco | | 1 |
| Off Ramp | Bike Shop | Mountain View | | 1 |
| Off The Chain Bikes | Bike Shop | Hollister | | 3 |
| Old Town Sports | Bike Shop | | | 6 |
| Olympic Bike Shop | Bike Shop | Tahoe City | | 8 |
| Omega | Bike Shop | | | 6 |
| Omega Bicycle Shop | Bike Shop | | | 1 |
| Open Air Bicycles | Bike Shop | | | 2 |
| Open Air Bicycles | Bike Shop | St. Ventura | | 0 |
| Open Air Bicycles | Bike Shop | | | 7 |
| Open Trails E-Bikes | Bike Shop | | | 1 |
| Orange Country Bike Garage | Bike Shop | | | 2 |
| Orange County Mountain Bike Association (OCMTBA) | Trail Association | Laguna Beach | | 1 |
| Orange Cycle | Bike Shop | | | 3 |
| Orange Park Association | Trail Association | Orange | | 0 |
| Out-spoke-n | Bike Shop | | | 2 |
| Over the Bars MTB Club | Club | | | 4 |
| Over The Edge Sports - Lake Tahoe | Bike Shop | South Lake Tahoe | | 3 |
| Over The Edge Tahoe | Shuttle Service | South Lake Tahoe | | 5 |
| Pacific Bicycles | Bike Shop | San Francisco | | 3 |
| Pacific Coast Cycles (CLOSED FOR GOOD) | Bike Shop | | | 1 |
| Pacific Crest Trail Association | Trail Association | Sacramento | | 1 |
| Pacific Outfitters - Eureka | Bike Shop | Eureka | | 3 |
| Pacific Outfitters - Ukiah | Bike Shop | Ukiah | | 0 |
| Pacific Union College | Trail Association | Angwin | | 0 |
| Paco's Bike & Ski | Bike Shop | Truckee | | 8 |
| Palm Desert Cyclery | Bike Shop | Palm Desert | | 1 |
| Palm Springs Cyclery | Bike Shop | | | 2 |
| Palms Cycle | Bike Shop | | | 0 |
| Palo Alto Bicycle | Bike Shop | Palo Alto | | 0 |
| Palo Alto Bicycles | Bike Shop | Palo Alto | | 2 |
| Paradigm Cycles | Bike Shop | San Anselmo | | 1 |
| Paradise Bikes | Bike Shop | | | 2 |
| Pasadena Cyclery | Bike Shop | | | 8 |
| Pasadena Mountain Bike Club | Club | | | 3 |
| Pat's 605 Cyclery | Bike Shop | Norwalk | | 5 |
| Pedal Hard | Bike Shop | | | 1 |
| Pedal Power Bicycles | Bike Shop | | | 3 |
| Pedal Shop P | Bike Shop | | | 2 |
| Pedalers West | Bike Shop | | | 4 |
| Pedego H.B | Guides & Tours | | | 0 |
| Pegasus | Bike Shop | Danville | | 0 |
| Peninsula Bike Works | Bike Shop | | | 0 |
| Peninsula Cycle Club | Club | San Pedro | | 2 |
| Penuel Bicycles | Bike Shop | Inglewood | | 0 |
| Performace Bike Shop -la Mesa | Bike Shop | La Mesa | | 3 |
| Performance - Redwood City | Bike Shop | Redwood City | | 0 |
| Performance Bicycle | Bike Shop | San Francisco | | 4 |
| Performance Bicycle | Bike Shop | | | 0 |
| Performance Bicycle | Bike Shop | | | 0 |
| Performance Bicycle | Bike Shop | Santa Rosa | | 8 |
| Performance Bicycle #11 | Bike Shop | | | 1 |
| Performance Bicycle (kearny Mesa) | Bike Shop | | | 1 |
| Performance Bike | Bike Shop | Stockton | | 1 |
| Performance Bike Shop (midway Location) | Bike Shop | | | 0 |
| Performance Bikes | Bike Shop | | | 3 |
| Peter Richs Velo Sport | Bike Shop | Berkeley | | 2 |
| Pine Ridge Association | Trail Association | Morgan Hill | | 0 |
| Pine Ridge Association | Trail Association | Morgan Hill | | 0 |
| Pinecrest Mountain Bike Association | Trail Association | Pinecrest | | 6 |
| Pleasant Hill Cyclery | Bike Shop | Pleasant Hill | | 2 |
| Poway Bicycle | Bike Shop | | | 4 |
| Power Meter City | Bike Shop | | | 0 |
| Price Point Mail Order | Bike Shop | Gardena | | 52 |
| Pricepoint.com | Bike Shop | Gardena | | 3 |
| Pro Bike Supply | Bike Shop | | | 3 |
| Pro Service Cyclery | Bike Shop | Modesto | | 0 |
| Probikesupply | Bike Shop | | | 5 |
| Probuiltwheels.com | Bike Shop | | | 0 |
| Pullins Cyclery | Bike Shop | | | 1 |
| Pure Ride Cycles | Bike Shop | | | 1 |
| Pv Bicycle Center | Bike Shop | Rolling Hills Estates | | 6 |
| Pv Bicycle Center | Bike Shop | | | 6 |
| R&A Cycles | Bike Shop | Walnut Creek | | 1 |
| RAMPAGE BIKES | Bike Shop | Lakewood | | 1 |
| Ray's Cycle | Bike Shop | | | 5 |
| Ray's Cycle | Bike Shop | | | 9 |
| Real Bicycles | Bike Shop | Pleasanton | | 0 |
| Real Wheels | Bike Shop | Nevada City | | 8 |
| Redding Sports LTD | Bike Shop | Redding | | 0 |
| Redding Trail Alliance | Trail Association | Redding | | 10 |
| Redlands BikeBBQ | Bike Shop | Redlands | | 0 |
| Redwood Coast Mountain Bike Association | Trail Association | Arcata | | 3 |
| Redwood Trails Alliance | Trail Association | Napa | | 3 |
| REI | Bike Shop | Santa Rosa | | 1 |
| Revo Cycles | Bike Shop | | | 6 |
| Revolution Bicycles - Arcata | Bike Shop | Arcata | | 18 |
| Revolution Bicycles - Eureka | Bike Shop | Eureka | | 2 |
| Rhythm Bikes | Bike Shop | Oakland | | 6 |
| Rich City Rides | Trail Association | Richmond | | 0 |
| RIDE Cyclery | Bike Shop | | | 0 |
| Ride Dynamics | Coaching & Camps | | | 0 |
| Ride Krv | Bike Shop | | | 1 |
| Ride Redding | Trail Association | Redding | | 1 |
| Ride Sfo | Bike Shop | | | 39 |
| Ride the Redwoods - Santa Cruz | Guides & Tours | Santa Cruz | | 1 |
| Ride the Redwoods - Santa Cruz | Coaching & Camps | Santa Cruz | | 1 |
| Ridgeline suspension & service | Bike Shop | Beaumont | | 11 |
| River Rat Mountain Bike | Bike Shop | fair oaks | | 5 |
| Road And Tri Sports | Bike Shop | | | 1 |
| Roam Cyclery | Bike Shop | Westminster | | 1 |
| Roaring Mouse Cycles | Bike Shop | San Francisco | | 7 |
| Robinson Wheel Works | Bike Shop | San Leandro | | 4 |
| Rock N Road Cyclery - Irvine | Bike Shop | | | 12 |
| Rock N Road Cyclery - Mission Viejo | Bike Shop | | | 13 |
| Rock N' Road Cyclery - Anaheim Hills | Bike Shop | Anaheim Hills | | 26 |
| Rock N' Road Cyclery - Irvine | Bike Shop | Irvine | | 0 |
| Rock N' Road Cyclery - Laguna Niguel | Bike Shop | Laguna Niguel | | 20 |
| Rock N' Road Cyclery - Mission Viejo | Bike Shop | Mission Viejo | | 0 |
| Rock-n-road Cyclery | Bike Shop | | | 0 |
| RocknRoad Cyclery | Bike Shop | | | 5 |
| Rockville Bike | Bike Shop | Fairfield | | 0 |
| Ronnie's Battle Born Prodigies | Coaching & Camps | Truckee | | 1 |
| Roseville Cyclery | Bike Shop | Roseville | | 12 |
| Roy's Cyclery | Bike Shop | Upland | | 5 |
| Rpm Cyclery | Bike Shop | Lake Elsinore | | 2 |
| Rubber Soul Bicycles | Bike Shop | | | 3 |
| Rubicon Area Mountain Bikers Organization | Trail Association | Placerville | | 2 |
| Russell's Bicycles | Bike Shop | Downey | | 2 |
| Safety Cycle | Bike Shop | | | 3 |
| Sage Trail Alliance | Trail Association | | | 9 |