OSM Piątnica is a Polish dairy cooperative owned by 2 thousand farmers who run their farms in Podlasie, northern Mazovia and Kurpie regions. About 98% of milk used for production comes from Polish farmers associated in cooperative. Piątnica is a well-known manufacturer of dairy products. The assortment includes: milk, kefir, buttermilk, yogurt, cream, cottage cheese, butter, spreadable cheese, mascarpone cheese and many more. For some time Piątnica offers also plant milk (soy and oat milk) and launched a line of products with organic certificate. Among certified products you can find cottage cheese, natural yogurt, milk, and 18% cream. Piątnica has implemented ISO 14001 environmental management system. Piątnica offers farmers the highest milk purchase prices in Poland. They have their own termal power plant and wastewater treatment plant, thanks to which they use less energy and water.