| Bike Masters Cycling Club | Black Diamond / Maple Valley | Race Team |
| Bike Works | Seattle | Club |
| Capital Bicycling Club | Olympia | Club |
| Cold Creek Mountain Bikers | Battleground | Club |
| Evergreen Mountain Bike Alliance | Pacific Northwest | Club |
| Friends of Capitol Forest | Tumwater | Club |
| Leavenworth Fat Tire Club | Leavenworth | Club |
| Methow Evergreen MTB | Methow Valley | Club |
| Methow Valley Sport Trails Association (MVSTA) | Winthrop | Club |
| Mount Vernon Trail Builders | Mount Vernon | Club |
| Peninsula Trails Coalition | Port Angeles | Club |
| Quimper Trail Association | Port Hadlock | Club |
| Single track Alliance of Yakima | Yakima | Club |
| Spokane BOMB | Spokane | Club |
| TRAIL Washington | Leavenworth | Club |
| United Mountain Bike of Washington | Seattle | Club |
| Whatcom Mountain Bike Coalition | Bellingham | Club |
| Whimps (WMBC) | Bellingham | Club |
