Ironstone Vineyards is noted for several leading US brands, including Obsession Wines, Leaping Horse Vineyards, Christine Andrew, Stone Valley, and Drifting. As of 2004, Ironstone has been listed as the 17th largest winery (in terms of cases sold) in the US. Ironstone also sells significant amounts of wine in the international markets including the UK, Canada and 40 other countries.