- Wild Horses LTD
- Wild Rose Farm
- Wild West Ranch & Western Town
- William H Bartlett
- William H Bartlett
- Willow Hill Farm
- Willow Hill Farm Inc
- Willow Lane Farms
- Willow Springs Farms Inc
- Willow Tree Farm
- Win Row Farm
- Wind Drift Farm
- Wind Drift Farm
- Windbreak Farm
- Windcrest Stables Inc
- Windfall Stables
- Windswept Acres
- Windswept Farms
- Windy Meadows Farm
- Windy Ridge Ranch Horse Trng
- Winter Creek Stables
- Winters Edge Farm
- Winwood Farm
- Witt's End Farm
- Wolfden Farm At Kerrymeade
- Wooded Hills Stables
- Woodview Stables
- Y2k Performance Horses
- Yawger Brook Stable
- Zephyr Farms Inc
