The Greenbrier Companies is an American publicly traded transportation manufacturing corporation based in Lake Oswego, Oregon, United States. Greenbrier specializes in transportation services, notably barge and railroad car manufacturing, railroad car refurbishment, and railroad car leasing/management services. The company is one of the leading designers, manufactures and marketers of railroad freight car equipment in North American and Europe. Greenbrier is a leading provider of wheel services, parts, leasing and other services to the railroad and related transportation industries in North America. As of September 2018, Greenbrier employs in excess of 18,000 people combined at its operations in Europe, Mexico, Canada, and the United States. Formed in 1981 and publicly traded since 1994, the company generates revenues of US$2.5 billion.