| Portland United Mountain Pedalers (PUMP) | Portland | Club |
| Salem Area Trail Alliance | Salem | Club |
| Southern Oregon Freeride Association (SOFA) | Medford | Club |
| Westside Trail Federation | Hillsboro | Club |
| Laurel Highlands Off Road Bicycling Association (LHORBA) | Salix | Club |
| Mountain Bikers of Michaux (MBM) | Waynesboro | Club |
| Nittany Mountain Biking Association | State College | Club |
| Northern Allegheny Mountain Bike Association (NAMBA) | Youngsville | Club |
| Pittsburgh Off Road Cyclists (PORC) | Pittsburgh | Club |
| Pittsburgh Trails Advocacy Group | Pittsburgh | Club |
| Presque Isle Cycling Club | Waterford | Club |
| Suburban Cyclists Unlimited | Horsham | Club |
| Susquehanna Area Mountain Bike Association (SAMBA) | Cleona | Club |
| Velomuse | Pittsburgh | Club |
| West Chester Cycling Club (WCCC) | West Chester | Club |
| Wyoming Valley Mountain Bike Association | Kingston | Club |
| York Area Mountain Bike Association | Red Lion | Club |
| Subic Trailriders and Adventure Team | Mandaluyong City | Club |
| RI NEMBA | Cumberland | Club |
| Low Country Fat Tire Freaks | Goose Creek | Club |
| Midlands SORBA | Columbia | Club |
| Palmetto Cycling Coalition | Columbia | Club |
| Upstate SORBA | Greenville | Club |
| Black Hills Mountain Bike Association - BHMBA | Rapid City | Club |
| Fall Area Bicyclists (FAB) | Sioux Falls | Club |
