| 44 Trails Association | OR | Hood River | 5 |
| 9B Trails | ID | Bonners Ferry | 0 |
| Abilene Bicycle Club | TX | Abilene | 0 |
| Access4Bikes Foundation | CA | | 19 |
| Adaptive Mountain Bike Trails Project | GA | Atlanta | 0 |
| Addison County Bike Club | VT | Middlebury | 0 |
| Adirondack Foothills Trail Alliance | NY | New Hartford | 7 |
| Adirondack Mountain Club - Northville-Placid... | NY | Northville | 0 |
| Adirondack Mountain Club - Onondaga Chapter | NY | Syracuse | 0 |
| Advocates for Multi-Use of Public Lands | WY | Wilson | 0 |
| Airborne Mountain Bike Club | FL | Port Saint Lucie | 8 |
| Alabama Hiking Trails Society | AL | Montgomery | 2 |
| Alabama State Parks | AL | Pelham | 1 |
| Alaska Dog Mushing Association | AK | Fairbanks | 1 |
| Albany Indian Mounds Foundation | IL | Albany | 0 |
| Albuquerque Mountain Bike Association | NM | Albuquerque | 6 |
| Alleghany Highland Trail Club | VA | | 0 |
| Allentown Hiking Club | PA | Alburtis | 0 |
| Alpine Bike Works | NH | Keene | 0 |
| Amador Trail Stewardship | CA | Sutter Creek | 1 |
| AMC - Delaware Valley | PA | | 0 |
| Amelia Trail Builders Club, Inc. | FL | Hialeah | 2 |
| American Birkebeiner Ski Foundation | WI | Hayward | 1 |
| American Hike Society | MD | Silver Spring | 0 |
| Amesbury Trails | MA | Amesbury | 0 |
| Amherst Mountain Biking Club | VA | Amherst | 1 |
| Ammonoosuc Conservation Trust | NH | Franconia | 0 |
| Anaconda Trail Society | MT | Anaconda | 1 |
| Andres Institute of Art | NH | Brookline | 0 |
| Angler's Ridge Trail Association | VA | Danville | 0 |
| Anniston Outdoor Association | AL | Anniston | 3 |
| Anthracite Mountain Pedalers | PA | Wilkes-Barre | 2 |
| Antrim Township Trails Committee | PA | Antrim Township | 0 |
| Appalachia Outdoor Adventures | OH | Zanesville | 8 |
| Appalachian Mountain Bike Club | TN | Knoxville | 20 |
| Appalachian Mountain Club | MA | Boston | 0 |
| Appalachian Mountain Club - CT Chapter | CT | | 0 |
| Appalachian Mountain Club - Narragansett Chapter | RI | Exeter | 0 |
| Appalachian Mountain Club - Western... | MA | Amherst | 0 |
| Appalachian Mountain Club - Worcester Chapter | MA | Worcester | 0 |
| Appalachian Trail Conservancy | WV | Harpers Ferry | 0 |
| Applegate Trail Association | OR | Jacksonville | 0 |
| Arizona Bicycle Association | AZ | Tucson | 1 |
| Arizona Trail Association | AZ | Tucson | 11 |
| Arlington Heights Park District | IL | Arlington Heights | 0 |
| Arnold Rim Trail Association | CA | Arnold | 3 |
| Ascutney Outdoors | VT | Brownsville | 0 |
| Ascutney Trails Association | VT | Brownsville | 5 |
| Ashfield Trails | MA | ashfield | 0 |
| Ashwabay Outdoor Education Foundation | WI | Bayfield | 1 |
| Aspire Foundation | TN | Clinton | 0 |
| Athens Bicycle Club | OH | Athens | 1 |
| Auburn Nordic Ski Association | ME | Auburn | 0 |
| Aududon Dallas | TX | Dallas | 0 |
| Austin Ridge Riders Mountain Bike Club | TX | Austin | 12 |
| Avalonia Land Conservancy, Inc. | CT | Mystic | 1 |
| Aztec Trails & Open Spaces | NM | Aztec | 0 |
| Back Country Horsemen of Washington | WA | | 0 |
| Back To Dirt Conservancy | NC | Sanford | 1 |
| Bagdad Area Trails Committee | AZ | Bagdad | 0 |
| Bald Eagle Mountain Bike Association | PA | | 3 |
| Ballard Nature Center | IL | Altamont | 0 |
| Banadad Trail Association | MN | Grand Marais | 0 |
| Bangor Land Trust | ME | Bangor | 2 |
| Barber Hills Trail Association | TX | Powderly | 3 |
| Barkeater Trails Alliance | NY | | 21 |
| Barlow Trail Association | OR | Rhododendron | 0 |
| Bartlesville Pedalers, Inc. | OK | Bartlesville | 0 |
| Basin Pond Trails | ME | Monroe | 1 |
| Baton Rouge Area Mountain Bike Association | LA | Baton Rouge | 3 |
| Batona Hiking Club | PA | Philadelphia | 0 |
| Bay Circuit Trail & Greenway (AMC) | MA | Boston | 1 |
| Bay State Trail Riders Association | MA | Douglas | 0 |
| Bear River Outdoor Recreation Alliance | WY | Evanston | 0 |
| Bear Valley Trail Stewardship | CA | Bear Valley | 2 |
| Bear Yuba Land Trust | CA | Grass Valley | 3 |
| Beartooth Recreation Trails Association | MT | Red Lodge | 0 |
| Beaver Creek Trails Coalition | AZ | Lake Montezuma | 0 |
| Beaverhead Trails Coalition | MT | Dillon | 0 |
| Becker County Snowmobile Trails | MN | | 0 |
| Belfast Area NEMBA Chapter, ME | ME | Belfast | 0 |
| Belmont Plateau Trail Alliance | PA | Philadelphia | 5 |
| Bemidji Area Cross Country Ski Club | MN | Bemidji | 0 |
| Bemidji Area Mountain Bikers | MN | Bemidji | 1 |
| Bennington Area Trail System | VT | Bennington | 5 |
| Benson MTB | AZ | Benson | 0 |
| Benton MacKay Trail Association | GA | Cherry Log | 0 |
| Berks Area Mountain Biking Association | PA | | 20 |
| Berks Trail Works | PA | | 18 |
| Berkshire County NEMBA Chapter | MA | Pittsfield | 6 |
| Berlin Land Trust | CT | Berlin | 0 |
| Bethlehem Land Trust | CT | Bethlehem | 0 |
| Bethlehem Trails Association | NH | Bethlehem | 0 |
| Bicycle League of Norman | OK | Norman | 0 |
| Bicycle Ruidoso | NM | Ruidoso | 1 |
| Bicycle Trails Council of the East Bay | CA | Berkeley | 16 |
| Bicyclists of Nevada County | CA | Nevada City | 16 |
| Big Bear Valley Trails Foundation | CA | Big Bear | 5 |
| Big Bend Trails Alliance | TX | | 0 |
| Big Island Mountain Bike Association | HI | Hilo | 0 |
| Big Ole Bike Club | MN | | 0 |
| Big Sky Community Organization | MT | Big Sky | 0 |
| Big South Fork Bike Club | TN | Oneida | 2 |
| Bigfoot Trail Alliance | CA | Bayside | 0 |
| Biggest Little Trail Stewardship | NV | | 7 |
| Bike Colorado Springs | CO | Colorado Springs | 0 |
| Bike Leelanau | MI | Northport | 1 |
| Bike Utah | UT | Salt Lake City | 6 |
| Biking For A Better World | CA | Truckee | 1 |
| Birmingham Urban Mountain Pedalers | AL | Birmingham | 11 |
| Bitterroot Backcountry Cyclists | MT | Hamilton | 7 |
| Black Canyon Trail Coalition | AZ | Black Canyon City | 3 |
| Black Diamond Biking | GA | | 2 |
| Black Diamond Trail Coalition | WA | Maple Valley | 8 |
| Black Forest Trails Association | CO | Colorado Springs | 2 |
| Black Hills Mountain Bike Association | SD | Rapid City | 0 |
| Black Hills Trails | SD | Sturgis | 4 |
| Black River Environmental Improvement Association | NY | | 0 |
| Blackrock Mountain Bike Association | OR | Falls City | 27 |
| Blackstone Valley NEMBA Chapter | MA | Milford | 11 |
| Blackwater Bicycle Association | WV | Davis | 0 |
| Blakeley Bike Trail Initiative | AL | Blakeley | 1 |
| Blandings Park Wildlife Sanctuary | ME | Biddeford | 0 |
| Blue Mountain Eagle Climbing Club | PA | | 0 |
| Blue Mountain Singletrack Trails Club | OR | La Grande | 2 |
| Blue Ridge Off-Road Cyclists | VA | Roanoke | 11 |
| Bolingbrook Park District | IL | Bolingbrook | 0 |
| Bolton Conservation Trust | MA | Bolton | 2 |
| Bolton Land Trust | CT | Bolton | 0 |
| Bomber Mountain Cycling Club | WY | Sheridan | 0 |
| Bonneville Shoreline Trail Committee | UT | Farmington | 1 |
| Boone Area Cyclists | NC | Boone | 5 |
| Boone County Conservation District | IL | Belvidere | 0 |
| Borderland Mountain Bike Association | TX | El Paso | 1 |
| Boulder Mountainbike Alliance | CO | | 12 |
| Boxford Trails Association | MA | Boxford | 0 |
| Brainerd Nordic Ski Club | MN | | 0 |
| Branford Land Trust | CT | Branford | 1 |
| Brattleboro-Keene NEMBA Chapter | NH | Keene | 3 |
| Brazos Valley Mountain Bike Association | TX | College Station | 5 |
| Bremerton Cruisers Motorcycle Club | WA | Bremerton | 1 |
| Bretton Woods Nordic Center | NH | Bretton Woods | 1 |
| Brevard Mountain Bike Association | FL | Palm Bay | 5 |
| Brewster River Mountain Bike Club | VT | Underhill | 6 |
| Bridger Ski Foundation | MT | Bozeman | 0 |
| Brookline Conservation Commission | NH | Brookline | 1 |
| Brown County Mountain Biking | IN | Nashville | 4 |
| Brule Valley Ski Club | WI | Brule | 0 |
| Buckeye Trail Association | OH | | 0 |
| Buena Vista Singletrack Coalition | CO | Buena Vista | 3 |
| Bureau of Land Management - Red Rock & Sloan... | NV | Henderson | 0 |
| Burleson MTB Riders | TX | Burleson | 3 |
| Burlington Land Trust | CT | Burlington | 0 |
| Burr Ridge Park District | IL | Burr Ridge | 0 |
| Byron Forest Preserve District | IL | Byron | 0 |
| Cabot Trails Committee | VT | | 0 |
| Cache Trails Alliance | UT | Logan | 1 |
| Caledonia Trail Collaborative | VT | Saint Johnsbury | 0 |
| Caliente Area Mountain Bike Alliance | NV | Caliente | 3 |
| Camel's Hump Nordic Trail Association | VT | Huntington | 0 |
| Camp Ondessonk | IL | Ozark | 0 |
| Camp Pasquaney | NH | Hebron | 1 |
| Campton Township Open Space | IL | Campton Hills | 0 |
| Canaan Border Riders | VT | Canaan | 0 |
| Canal Corporation | NY | Albany | 0 |
| Cannon River Offroad Cycling and Trails | MN | Northfield | 1 |
| Canton Land Conservation Trust, Inc. | CT | Canton | 0 |
| Canyon Keepers | CA | Auburn | 0 |
| Canyonlands Back Country Horsemen | UT | | 0 |
| Canyonlands Natural History Association | UT | Moab | 0 |
| Cape Cod NEMBA Chapter | MA | Barnstable | 13 |
| Cape Elizabeth Land Trust | ME | Cape Elizabeth | 0 |
| Cape Fear SORBA | NC | Wilmington | 4 |
| Capital Off Road Pathfinders | WI | Madison | 9 |
| Capital Trail Alliance | NY | Albany | 1 |
| Carbon County Trails Committee | UT | Price | 0 |
| Cardigan Highlanders Volunteer Trail Crew | NH | Orange | 1 |
| Carlmont Trail Crew | CA | Belmont | 7 |
| Carolina Mountain Club | NC | Asheville | 0 |
| Carrabassett Region NEMBA | ME | Carrabassett Valley | 5 |
| Carson Valley Trails Association | NV | Minden | 3 |
| Cascade XC Ski Center & Nordic shop | NY | Lake Placid | 0 |
| Case Mountain/Salt Creek Trails | CA | Three Rivers | 3 |
| Castle Rock Parks and Trails Foundation | CO | Castle Rock | 1 |
| Catamount Outdoor Family Center | VT | Williston | 7 |
| Catamount Trail Association | VT | Burlington | 1 |
| Catawba Valley Heritage Alliance | NC | Newton | 0 |
| Cayuga Trails Club | NY | Ithaca | 0 |
| Cedar Mountain Nordic Ski Club | UT | Cedar City | 0 |
| Cedar Valley Association for Soft Trails | IA | Cedar Falls | 5 |
| Central Alabama Mountain Pedalers | AL | | 15 |
| Central Arkansas Trail Alliance | AR | Little Rock | 5 |
| Central California Off-Road Cyclists | CA | Fresno | 3 |
| Central Coast Concerned Mountain Bikers | CA | | 18 |
| Central CT NEMBA Chapter | CT | Rockfall | 3 |
| Central Idaho Mountain Bike Association | ID | McCall | 4 |
| Central Illinois Mountain Bike Association | IL | Shelbyville | 0 |
| Central Illinois Trails Association | IL | Springfield | 1 |
| Central Iowa Trails Association | IA | Des Moines | 3 |
| Central Maine NEMBA Chapter | ME | Augusta | 3 |