- World Association of Bioresonance & Systemic Information Therapy, o.s.
- WildHouse, z.s.
- Western-klub.cz z.s.
- Wireframe, z.s.
- WARRANT SPORT CLUB o.s.
- WakeSurf Club Náklo z. s.
- Willow racing team
- WI-FI CBS ODRY z.s.
- West Žab United z.s.
- WEST BOHEMIAN SKI TRAINING ACADEMY, z.s.
- W 135
- Whippet klub
- Welfare Sport Club
- WORLD ŠIJO TARJU FEDERATION JIU-JITSU a PROFESIONÁLNÍ ŠKOLA SEBEOBRANY,o.s.
- WET CLUB v likvidaci
- WORKCAMP PARQUET, z.s.
- Waldorfská základní škola Jasan z. s.
- Wild River v likvidaci
- Waldorfská iniciativa, z. s.
- WTS 2011, spolek
- WHIZPER RANCH o.s. "v likvidaci"
- WorldMusicArt, o.s.
- World Talent Academy, z.s.
- Wellness 2000, z.s.
- Work-Bridge, z. s.
- White Pearl Gallery, z.s.
- Walachian Tribe o.s.
- Word of Life ČR, z.s.
- WUDANG KUNG FU ASSOCIATION, o.s.
- Web Design Museum, z.s.
- Winternitzova vila, z.s.
- West Ham Lobzy Plzeň
- WADF - ČAT, z.s.
- Wakan z. s.
- Wireframing Design, z.s.
- Waltrovka centrum, o.s.
- Warspear, z.s.
- Women in Tech, z. s.
- WLB Golf Club, z.s.
- We Build Sport z.s.
- Wanderer club z.s.
- Wandr klub Hradec Králové v likvidaci
- Waldorfská pedagogika, z.s.
- Warriors Nový Jičín, z. s.
- Watsu Czech CZ z.s.
- Water RESCUE Liberec z.s.
- WT - PRO Racing, z.s.
- Welcome Čerčanská Koupadla z.s.
- Well-being centrum, z.s.
- Wanddy z. s.