The LEGO Group is a privately owned company headquartered in Denmark. Founded in 1932, it employs approximately 22,460 individuals. The company reported sales amounting to US$2.1 billion in the first half of 2015. Operating as a Danish construction toy manufacturer and media company, The LEGO Group primarily manufactures Lego-branded toys, consisting mostly of interlocking acrylonitrile butadiene styrene (ABS) plastic and rubber bricks. In addition to its toy manufacturing operations, the company has developed several amusement parks worldwide, known as Legoland, and manages a network of retail stores.