| Cascade Bikes | Bike Shop |  | OR | Tigard | 6 |
| Cascade Bikes | Bike Shop | | | Breda | 0 |
| Cascade Cream Puff | Race/Event Organizer | | OR | Oakridge | 1 |
| Cascade XC Ski Center & Nordic shop | Trail Association | | NY | Lake Placid | 0 |
| Cascadia Bike Company | Other | | WA | | 0 |
| Cascadia Trail Crew | Trail Builders | | OR | Lyons | 1 |
| Cascatas e Montanhas | Accommodation | | | Rolante - RS | 0 |
| Cascina Porro | Other | | | Giustenice | 1 |
| Case Mountain/Salt Creek Trails | Trail Association | | CA | Three Rivers | 3 |
| Casino Bicycles | Bike Shop | | CA | | 6 |
| Castle Frederick Farms Inc. | Other | | NS | Falmouth | 1 |
| Castle Hill Bike Shop | Bike Shop | | | | 1 |
| Castle Hill Holiday Houses | Accommodation | | | Castle Hill | 0 |
| Castle Rock Bikes | Bike Shop | | CO | Castle Rock | 2 |
| Castle Rock Parks and Trails Foundation | Trail Association | | CO | Castle Rock | 1 |
| Castlegar Parks and Trails Society | Trail Association | | BC | Castlegar | 5 |
| Castlemaine Rocky Riders | Trail Association | | | Castlemaine | 6 |
| Castro Aventura | Trail Association | | | Castro-Urdiales | 3 |
| Castro Valley Cyclery | Bike Shop | | CA | Castro Valley | 5 |
| Castrobikes BTT | Club | | | Vilagarcía | 0 |
| Catamount Outdoor Family Center | Trail Association | | VT | Williston | 7 |
| Catamount Trail Association | Trail Association | | VT | Burlington | 1 |
| Catawba Valley Heritage Alliance | Trail Association | | NC | Newton | 0 |
| Catch A Canoe And Bicycles Too! | Bike Shop | | CA | Mendocino | 2 |
| Cater's XC Ski Center and Ski Shop | Bike Shop | | ME | Bethel | 0 |
| Cathkin Trails | Trail Association | | | Winterton | 0 |
| Catoctin Mountain Cyclery | Bike Shop | | MD | | 0 |
| Catskill Bicycle Supply Co. | Bike Shop | | NY | | 0 |
| Cave Run Bicycle & Outdoor Center | Bike Shop | | KY | Morehead | 1 |
| Cavehill Mountainbikers Club | Club | | | Belfast Belfast | 4 |
| Cayuga Ski & Cyclery | Bike Shop | | NY | | 6 |
| Cayuga Trails Club | Trail Association | | NY | Ithaca | 0 |
| Cayuse Cycles | Bike Shop | | OR | West Linn | 1 |
| CBE Cucciago Asd | Trail Association | | | Cucciago | 3 |
| CBI Bikes | Bike Shop | | ID | Idaho Falls | 3 |
| CBME (Clwb Beicio Mynydd Eryri | Club | | | Llanberis | 8 |
| CBP AS | Bike Shop | | | Skien | 0 |
| CCMonção | Trail Association | | | Viana do Castelo | 1 |
| Ccranked Bike Studio | Race Team | | WI | Neenah | 0 |
| CCY Les Caux Boys | Trail Association | | | Yvetot | 1 |
| Cda Cycling | Bike Shop | | ID | Coeur d'Alene | 7 |
| CDR Prazeres | Club | | | Calheta | 0 |
| Ceaser's Cyclery | Bike Shop | | CA | San Anselmo | 11 |
| Cebu Mountain Bike Adventure | Guides & Tours | | | Cebu City | 1 |
| Cedar Bicycle - Dickson City | Bike Shop | | PA | Dickson City | 3 |
| Cedar Bluff Cycles | Bike Shop | | TN | Knoxville | 5 |
| Cedar Cycle | Bike Shop | | UT | Cedar City | 11 |
| Cedar Mountain Nordic Ski Club | Trail Association | | UT | Cedar City | 0 |
| Cedar Sports | Bike Shop | | UT | Cedar City | 0 |
| Cedar Valley Association for Soft Trails | Trail Association | | IA | Cedar Falls | 5 |
| CeleBike Shop | Bike Shop | | | Andora | 2 |
| Celestial Cycles | Bike Shop | | OK | Oklahoma City | 1 |
| Celje Trails | Trail Association | | | Celje | 0 |
| Celo Europa | Bike Shop | | CA | | 0 |
| Cenna Custom Cycles | Bike Shop | | CO | Longmont | 0 |
| Centennial Trail Association | Trail Association | | MB | | 0 |
| Center Bike | Bike Shop | | | Caserta | 1 |
| Center Cycle | Bike Shop | | WA | Renton | 16 |
| Center Street Cycles | Bike Shop | | ME | Brunswick | 3 |
| Centraal Cycle | Bike Shop | | MA | Wenham | 5 |
| Central Alabama Mountain Pedalers | Trail Association | | AL | | 15 |
| Central Alberta Bicycle Club | Club | | AB | Red Deer | 7 |
| Central Arkansas Recreational Pedalers | Club | | AR | Little Rock | 0 |
| Central Arkansas Trail Alliance | Trail Association | | AR | Little Rock | 5 |
| Central Australian Rough Riders | Trail Association | | | | 0 |
| Central Bicycle Studio | Bike Shop | | | Palmerston North | 3 |
| Central California Off-Road Cyclists | Trail Association | | CA | Fresno | 3 |
| Central Coast Concerned Mountain Bikers | Trail Association | | CA | | 18 |
| Central Coast Cycles Bicycle Shop | Bike Shop | | | Wyong | 0 |
| Central Coast Mountain Bike Club | Trail Association | | | Wyong | 7 |
| Central Coast MTB Trail Alliance | Trail Association | | | Gosford | 1 |
| Central CT NEMBA Chapter | Trail Association | | CT | Rockfall | 3 |
| Central Idaho Mountain Bike Association | Trail Association | | ID | McCall | 4 |
| Central Illinois Mountain Bike Association | Trail Association | | IL | Shelbyville | 0 |
| Central Illinois Trails Association | Trail Association | | IL | Springfield | 1 |
| Central Iowa Trails Association | Trail Association | | IA | Des Moines | 3 |
| Central Maine NEMBA Chapter | Trail Association | | ME | Augusta | 3 |
| Central Michigan Mountain Bike Association | Trail Association | | MI | Mt. Pleasant | 4 |
| Central Michigan Mountain Bike Association | Trail Association | | MI | Mount Pleasant | 0 |
| Central New Hampshire NEMBA Chapter | Trail Association | | NH | Tilton | 8 |
| Central New York Land Trust | Other | | NY | Skaneateles | 1 |
| Central Ohio Mountain Biking Organization | Trail Association | | OH | Columbus | 6 |
| Central Oregon Trail Alliance | Trail Association | | OR | Bend | 45 |
| Central Plateau Cycles | Bike Shop | | | Taupo | 1 |
| Central Savannah River Area SORBA | Trail Association | | GA | | 0 |
| Central Tablelands Mountain Bike Club | Trail Association | | | Lithgow | 1 |
| Central Wheel | Bike Shop | | CT | Farmington | 3 |
| central wheel | Race Team | | CT | Farmington | 0 |
| Central Wisconsin Offroad Cycling Coalition | Trail Association | | WI | Wausau | 2 |
| Central Wyoming Trails Alliance | Trail Association | | WY | Casper | 1 |
| Centre Castor | Trail Association | | QC | Courcelette | 0 |
| Centre City Cycles | Bike Shop | | CA | | 10 |
| Centre City Cycles | Bike Shop | | CA | | 1 |
| Centre de Cyclisme Dieppe Cycling Centre | Trail Association | | NB | Dieppe | 0 |
| Centre Du Cyclisme & Sport | Bike Shop | | NB | Nigadoo | 3 |
| Centre Du Vélo 82 | Bike Shop | | QC | Montreal | 1 |
| Centre du Vélo La Shop | Bike Shop | | QC | Gatineau | 34 |
| Centre National Cyclisme Bromont | Coaching & Camps | | QC | Bromont | 8 |
| Centro Biciclette Boemio | Bike Shop | | | Villaricca | 1 |
| Centro Bike Val di Sole | Bike Shop | | | Commezzadura | 0 |
| Centro Bike Val di Sole | Trail Builders | | | Commezzadura | 0 |
| Centro Bike Val di Sole | Bike Shop | | | Commezzadura | 0 |
| Centro Bike Val di Sole | Guides & Tours | | | Commezzadura | 0 |
| Centro BTT O Salnés | Guides & Tours | | | Pontevedra | 0 |
| Centro BTT Portas de Galicia | Guides & Tours | | | Xinzo De Limia | 0 |
| Centro BTT Ribeira Sacra | Guides & Tours | | | Parada De Sil | 0 |
| Centro BTT Serra do Xurés | Guides & Tours | | | Xinzo De Limia | 0 |
| Centrumrowerowe | Bike Shop | | | Bydgoszcz | 38 |
| Century Cycles | Bike Shop | | OH | Medina | 0 |
| Century Cycles | Bike Shop | | OH | Rocky River | 0 |
| Century Cycles | Bike Shop | | OH | Peninsula | 0 |
| Century Cycles - Medina | Bike Shop | | OH | Medina | 0 |
| Century Cycles - Peninsula | Bike Shop | | OH | Peninsula | 1 |
| Century Cycles - Rocky River | Bike Shop | | OH | Rocky River | 1 |
| Ceres MTB Park | Club | | | Katrineholm | 0 |
| Cerevellum Europe | Bike Shop | | | Praha | 2 |
| Cerezo Bikes C.C. | Trail Association | | | Burela | 0 |
| Certini | Bike Shop | | | Saltash | 12 |
| Certini Cardiff | Bike Shop | | | Cardiff | 4 |
| Certini/specialized | Bike Shop | | | Saltash | 15 |
| Cerveteri Enduro Rock Center | Trail Association | | | Cerveteri | 3 |
| Česká Mountainbiková Asociace | Trail Association | | | Praha | 10 |
| CFM Cycle | Bike Shop | | CT | Coventry | 0 |
| CFMcycles | Bike Shop | | CT | Coventry | 10 |
| CG Pro Bikes | Bike Shop | | OH | Bluffton | 0 |
| Chailey Garage | Other | | | Lewes | 1 |
| Chain Driven Bike Shop And Rental | Bike Shop | | NM | Las Cruces | 2 |
| Chain Events | Race/Event Organizer | | AZ | Prescott | 0 |
| Chain Gang | Bike Shop | | CA | | 8 |
| Chain Gang Bike Shop | Bike Shop | | CA | Redding | 7 |
| Chain Gang Events | Race/Event Organizer | | | Wilderness | 0 |
| Chain Reaction | Bike Shop | | | | 18 |
| Chain Reaction Bicycles | Bike Shop | | ON | Etobicoke | 10 |
| Chain Reaction Bicycles | Bike Shop | | CA | Redwood City | 6 |
| Chain Reaction Bicycles | Bike Shop | | GA | | 1 |
| Chain Reaction Bicycles - Gainesville | Bike Shop | | FL | Gainesville | 1 |
| Chain Reaction Bikes | Bike Shop | | FL | Gainesville | 3 |
| Chain Reaction Cyclery | Bike Shop | | WI | Appleton | 3 |
| Chain Reaction Cycles | Bike Shop | | | Ballyclare | 20 |
| Chain Reaction Cycles Alaska | Bike Shop | | AK | Anchorage | 11 |
| Chain Reaction NZ | Bike Shop | | | Christchurch | 23 |
| Chainbuster Racing | Race/Event Organizer | | | | 1 |
| Chaineys Cycles | Bike Shop | | | Leighton Buzzard | 6 |
| Chainline Bikes | Guides & Tours | | CA | El Cajon | 1 |
| Chainline Cycle | Bike Shop | | BC | Kelowna | 44 |
| Chainline Cycles | Bike Shop | | NH | Laconia | 5 |
| Chainlove | Bike Shop | | UT | Salt Lake City | 11 |
| Chainwheel | Bike Shop | | AR | Little Rock | 1 |
| Chainwheel | Bike Shop | | AR | Little Rock | 5 |
| Chainwheel Drive | Bike Shop | | FL | Clearwater | 0 |
| Chainwheel Drive | Bike Shop | | FL | Palm Harbor | 0 |
| Chalet Sous-Bois Ski-in Ski-out Bike-in Bike-out | Other | | QC | Sutton | 0 |
| Chalet Sports | Bike Shop | | MT | Bozeman | 5 |
| Chamonix MTB | Coaching & Camps | | | Servoz | 0 |
| Champaign Cycle | Guides & Tours | | IL | Champaign | 1 |
| Champaign-Urbana Optimist Club | Trail Association | | IL | Urbana | 0 |
| Champery Bike Store | Bike Shop | | | Cordoba | 2 |
| Champion Bicycles | Bike Shop | | ON | London | 0 |
| Champion Cycling | Bike Shop | | FL | Jacksonville | 7 |
| Champion Cycling | Bike Shop | | AR | Fort Smith | 8 |
| Champion Cycling - Arlington | Bike Shop | | FL | Jacksonville | 1 |
| Champion Cycling - Beaches | Bike Shop | | FL | Jacksonville Beach | 0 |
| Champion Cycling - Mandarin | Bike Shop | | FL | Jacksonville | 1 |
| Champoux Ski-Cycle-Urbain | Bike Shop | | QC | Ste-Agathe-Des-Monts | 4 |
| Channel Islands Bicycle Kitchen | Club | | CA | Sanger | 1 |
| Channel Islands Mountain Biking Association | Trail Association | | | Jersey | 14 |
| Chaos Carbon | Bike Shop | | | Ham | 13 |
| Chaparral Motorsports | Bike Shop | | CA | | 0 |
| Chapman's Orange Bicycle | Bike Shop | | CT | Orange | 6 |
| Chariot Bike | Bike Shop | | OR | Bend | 0 |
| Charleston Bicycle Center | Bike Shop | | WV | Charleston | 3 |
| Charlie The Bikemonger | Bike Shop | | | Swanage | 6 |
| Charlotte Mountain Bikers | Club | | NC | Charlotte | 4 |
| Charlottesville Area Mountain Bike Club | Trail Association | | VA | | 8 |
| Chartreuse MTB Coalition | Trail Association | | | Le Sappey en Chartreuse | 1 |
| Chase Trails | Trail Association | | | Rugeley | 51 |
| Chasing Epic Mountain Bike Adventures- Crested... | Guides & Tours | | CO | Crested Butte | 0 |
| Chasing Epic Mountain Bike Adventures- Durango | Guides & Tours | | CO | Durango | 1 |
| Chasing Epic Mountain Bike Adventures- Fruita | Guides & Tours | | CO | | 0 |
| Chasing Epic Mountain Bike Adventures- Sedona | Guides & Tours | | AZ | Sedona | 1 |
| Chasing Epic Mountain Bike Adventures- St. George | Guides & Tours | | UT | St. George | 0 |
| Chasing Epic Mountain Bike Adventures- Telluride | Guides & Tours | | CO | Telluride | 1 |
| Chasm Riders Mountain Bike Club | Trail Association | | NY | Keeseville | 0 |
| Chatel Mountain Biking Accommodation | Accommodation | | | | 0 |
| Chattahoochee Valley Area SORBA | Trail Association | | GA | | 1 |
| Chattanooga Bicycle Club | Club | | TN | Chattanooga | 0 |
| Cheap Skates | Bike Shop | | ON | North Bay | 13 |
| Cheeky Velosport, Warners Bay | Bike Shop | | | Warners Bay | 2 |
| Chelan-Douglas Land Trust | Trail Association | | WA | Wenatchee | 4 |
| Chelmer Cycles | Bike Shop | | | Chelmsford | 19 |
| Chelmsford Cyclery | Bike Shop | | MA | Chelmsford | 4 |
| Chenango Point Cycles | Bike Shop | | NY | | 6 |
| Chequamegon Area Mountain Bike Association | Trail Association | | WI | Cable | 6 |
| Cherokee Ridge Alpine Trail Association | Trail Association | | AL | Alexander City | 1 |
| CherriCherriPowPow | Other | | | Jindabyne | 0 |
| Cheshire Cycle & Repair | Bike Shop | | CT | Cheshire | 4 |
| Cheshire Oaks Cycles | Bike Shop | | | Cheshire | 16 |
| Chess-park | Trail Association | | | Moscow | 4 |
| Chesterton Bicycle Station | Bike Shop | | IN | Chesterton | 1 |
| Chestnut Mountain Resort | Trail Association | | IL | Hanover | 0 |