Stonyfield Farm

Stonyfield Farm, Inc., also simply called Stonyfield, is an organicyogurt maker and dairy company located in Londonderry, New Hampshire, United States. Stonyfield Farm was founded by Samuel Kaymen in 1983, on a 19th-century farmstead in Wilton, New Hampshire, as an organic farming school. The company makes the second leading brand of organic yogurt in North America, with 13.3% of the market.

The company is owned by the largest dairy company in the world, the French group Lactalis.