The Garment District is home to a number of well-known designers, their production facilities, warehouses, showrooms, and suppliers of fabric and materials. Many in the industry allege that this dense concentration of talent, entrepreneurship and supply stores functions like an ecosystem in which each of the parts help sustain the whole. Major fashion labels such as Carolina Herrera, Oscar de la Renta, Calvin Klein, Donna Karan, Liz Claiborne, Nicole Miller, Ben-Amun, and Andrew Marc have showrooms, production facilities, or support offices located in the Garment District.