| Z's Bike Fix / Ski Service | Bike Shop |  | ON | Ottawa | 1 |
| Z's Bike Shop | Bike Shop | | FL | | 0 |
| Zabierzów Trails | Trail Association | | | Zabierzów | 0 |
| Zach's Bikes - Klamath Falls | Bike Shop | | OR | Klamath Falls | 3 |
| Zajezdnia Rowerowa | Bike Shop | | | Elbląg | 0 |
| Zbirna z Induro po Odesi / Odessa enduro team | Club | | | Odessa | 0 |
| Zeelo's Cranks N Planks | Bike Shop | | WY | Casper | 4 |
| Zeevon | Bike Shop | | | London | 1 |
| Zehnhun'DIRT | Trail Association | | | La Chaux-de-Fonds | 1 |
| Zen Sykkel | Bike Shop | | | Oslo | 1 |
| ZenCog | Bike Shop | | FL | Jacksonville | 1 |
| Zenetos Since 1936 | Bike Shop | | | Athens | 0 |
| ZEP Mountain Bike Camps | Coaching & Camps | | BC | Whistler | 5 |
| ZEP Mountain Bike Camps | Guides & Tours | | BC | Whistler | 5 |
| Zepnat | Bike Shop | | | Matlock | 3 |
| Zermatt Youth Hostel | Accommodation | | | Zermatt | 0 |
| Zero G | Bike Shop | | | Bristol | 9 |
| ZERO G | Bike Shop | | | Chamonix | 2 |
| Zeta bike | Bike Shop | | | Monterrey | 13 |
| Zhuhai Doumen XiPu All-Mountain Trail | Other | | | Zhuhai | 0 |
| Zia Rides | Race/Event Organizer | | NM | Albuquerque | 0 |
| Zicna Trails Crew | Trail Association | | | Črna na Koroškem | 4 |
| Ziggy's Cycle And Sport | Bike Shop | | ON | Kitchener-Waterloo | 25 |
| Zinn Cycles | Bike Shop | | CO | Boulder | 0 |
| Zion Cyclery | Bike Shop | | IL | Zion | 1 |
| Zion Cycles | Bike Shop | | UT | Springdale | 12 |
| Zion Mountain Bike Adventures | Guides & Tours | | | Negril | 4 |
| Zippy's Bikes | Bike Shop | | NJ | Wildwood | 0 |
| ZM Cycle & Fitness | Bike Shop | | ON | Kitchener-Waterloo | 3 |
| Zm Cycle And Fitness | Bike Shop | | ON | Toronto | 70 |
| Zona Zero Pirineos | Trail Association | | | Ainsa | 20 |
| ZonaZentro MTB | Trail Association | | | | 6 |
| ZooPark Quilpue | Club | | | Quilpue | 2 |
| Zug Youth Hostel | Accommodation | | | Zug | 0 |
| Zuke Cycles | Bike Shop | | | Leeds | 5 |
| Zulubikes | Bike Shop | | | London | 7 |
| Zum Gold'nen Lenker | Bike Shop | | | Jena | 0 |
| Zumaiako Txirrindulari Elkartea | Trail Association | | | | 0 |
| Zumbi Cycles Switzerland | Bike Shop | | | Nyon | 0 |
| Zumwalt's 4.0 Mobile Bicycle Repair | Other | | CA | San Diego | 0 |
| Zumwalt's Bicycle Center | Bike Shop | | CA | | 3 |
| ZUPIN Moto-Sport GmbH | Bike Shop | | | Traunreut | 0 |
| Zurich Youth Hostel | Accommodation | | | Zürich | 0 |
| Zürioberland-Biketrails | Trail Association | | | Wald ZH | 5 |
| Züritrails | Trail Association | | | Zürich | 27 |
| Zuurberg Mountain Village | Other | | | Zuurberg | 1 |
| Zweirad Glaubitz | Bike Shop | | | Zittau | 4 |
| Zweirad Stadler | Bike Shop | | | Hammerau | 2 |
| Zweirad Teuchert | Bike Shop | | | Nuernberg | 9 |
| Zweiradliebe | Bike Shop | | | Olten | 0 |