- World Association of Bioresonance & Systemic Information Therapy, o.s.
- WEST JAM CB
- Wake Vary, z.s.
- WESTERN STYLE CLUB Nový Bor
- W. W. Würfel International Society, z. s.
- WERKADD TEAM z.s.
- Worldwide Professional Logistics o.s.
- Walachian Tribe o.s.
- Wheel klub z.s.
- W-Klubík, z.s.
- Waope z.s.
- WAL,z.s.
- WNOOZOW z. s.
- Wallachian Scooter rider, z.s.
- WESTERN HILL VALLEY CITY z.s.
- WITKOWINGS z. s.
- WADF - ČAT, z.s.
- Waldorfská iniciativa, z. s.
- WAU Production, z.s.
- WT - PRO Racing, z.s.
- Wanddy z. s.
- Wheels of Wild z. s.
- WALZEL z.s.
- Waldorfská škola na pravém břehu Vltavy o.s.
- Western Association v likvidaci
- World of Tomorrow, z.s.
- WAKE TEAM ACADEMY z.s.
- WHITE SOX - BASEBALL
- World Press Photo, z.s.
- Water Rescue - Race Marshall, z.s.
- WIRELESSINFO, z.s.
- Woodcraft Havlíčkův Brod v likvidaci
- WEST BOHEMIAN SKI TRAINING ACADEMY, z.s.
- World Football Games, z.s.
- Women4Cyber Czechia z. s.
- Wiking Gold Team, z.s.
- WČK v likvidaci
- Weyus help z.s.
- WILDAFRICA
- World Class Bodyguard
- WINNERS Znojmo z.s.
- WR 21 z.s.
- Wai Fighting Academy, z.s. v likvidaci
- Word of Life ČR, z.s.
- WakeSurf Club Náklo z. s.
- Waterboys team
- WDHteam z.s.
- We exhibit o.s.
- WALTTER MOTORSPORT ROKYCANY
- W 135