- Wild Water Canoe Club FROL, z.s.
- Wattlink Beta z.s.
- Weekend World, z.s. v likvidaci
- Working Equitation Česká republika, z.s.
- WakeSurf Tour z.s.
- WINNERS Znojmo z.s.
- Wesmile, z. s.
- Winternitzova vila, z.s.
- World Press Photo, z.s.
- West Bohemia Racing z.s.
- Wolves Chomutov, z.s.
- WALZEL z.s.
- WAL,z.s.
- WATCHER, o.s.
- WATERSPORTS, z.s.
- Western Club Bohuňovice o.s.
- Wallachian Scooter rider, z.s.
- Way of art z.s.
- Wiking - Výchova v přírodě
- Winery Ranch VÍNO HRUŠKA z.s. v likvidaci
- WAU Production, z.s.
- WPO Czech & Slovak Chapter o. s.
- WESTERN KLUB z.s.
- WKF CZECH REPUBLIC z.s.
- Watsu for Health, z.s.
- Westernový klub, Větřní
- Way of Warrior z.s.
- Wasps Racing Přerov v likvidaci
- Workout Mělník, z.s.
- W.P.E.P.-Evropští patrioti, o.s.v likvidaci
- www.vila-vysehrad.com z.s.
- WGA z.s.
- WORLD UNION OF POLE DANCE & AERIAL SPORTS, z.s.
- WORLD DANCE, z.s.
- Wild Cheerleaders
- WELLNESS CLUB INTERNATIONAL
- World Adventure Golf Tour, z.s.
- Wireframing Design, z.s.
- War Sports Team Slavičín z. s.
- WarField Events z.s.
- Wietew z.s.
- Web Design Museum, z.s.
- WARIOT IDEAL z.s.
- Wrak Gang
- Wai Fighting Academy, z.s. v likvidaci
- We Build Sport z.s.
- WOV surf, z.s.
- WestFree, občanské sdružení
- Walachian Tribe o.s.
- WESTMOTO RACING TEAM