Established in 2006, Mountainside Farms is a milk processor that offers whole-, reduced- and low-fat and fat-free milk under UltraPure brand. The company s milk is free from added hormones and antibiotics. Mountainside Farms provides online formation about the nutritional ingredients of milk. Additionally, the company offers testing services for beta-lactum and tetracycline. Mountainside Farms is an affiliate of Elmhurst Dairy, which is a family-owned company and is one of the largest milk supplies in New York. The company s products are available in several grocery stores, such as Gristede s, Food Emporium, A&P, Foodtown, D'Agostino and Associated Supermarkets. Mountainside Farms also offers shipment services.