Ironstone is noted for several leading US brands. These include the Ironstone Vineyards brand, Leaping Horse Vineyards, Dog Tail Vineyards, and Sonoma Creek. As of 2004, Ironstone has been listed as the 17th largest winery (in terms of cases sold) in the US. Ironstone also sell significant amounts of wine in the international markets including the UK, Canada and 40 other countries.