Founded in 1906, Schnitzer Steel Industries, Inc. ("SSI"), an Oregon corporation, is one of North America's largest recyclers of ferrous and nonferrous scrap metal, including end-of-life vehicles, and a manufacturer of finished steel products. Worldwide demand for recycled scrap metal is driven primarily by steel production levels, as recycled scrap metal is the primary feedstock for steel mill production using electric arc furnace ("EAF") technology and one of the raw materials utilized for steel manufacturing using blast furnace technology. Steel mills around the world, including those in the North American domestic market in which our own steel mill operates, are the primary end markets for our ferrous recycled scrap metal. Specialty steelmakers, foundries, refineries, smelters, wholesalers, and other recycled metal processors globally are the primary end markets for our nonferrous recycled scrap metal. Our steel mill in Oregon produces finished steel products using internally sourced recycled scrap metal as the primary raw material and sells to industrial customers primarily in North America.
SSI acquires and recycles auto bodies, rail cars, home appliances, industrial machinery, manufacturing scrap and construction and demolition scrap through its 96 auto and metals recycling facilities. We source material through well-developed, regional supply chains that collect scrap from large and small businesses and individuals. Our largest source of auto bodies is our own network of 51 retail self-service auto parts stores, which operate under the commercial brand-name Pick-n-Pull. The majority of our auto parts stores are located in close geographic proximity to our regional metals recycling operations which have large-scale shredders and deep water port access. The level of vertical integration of our auto parts stores and metals recycling operations provides for efficient processing of salvaged automobiles into recycled metal products for new metal production in steel mills and smelters globally or for further processing by other customers.
We utilize a variety of systems and technologies to process recycled metals ranging from iron and steel to aluminum, copper, brass, lead, stainless steel, zinc and other nonferrous metals for use in the manufacture of new or refined products. With scrap recycling facilities located in 23 States, Puerto Rico and Western Canada, we are well-positioned to efficiently acquire scrap metal throughout North America and deliver recycled metal products to customers around the world from our seven deep water ports, and also to our steel mill in Oregon. In fiscal 2019, we sold our products to customers located in 27 countries, including the United States ("U.S.") and Canada, and we sold to external customers or delivered to our steel mill an aggregate of 4.3 million tons of ferrous recycled scrap metal and sold 667 million pounds of nonferrous recycled scrap metal to external customers.