For more than 85 years, Caterpillar Inc. has been making sustainable progress possible and driving positive change on every continent. With 2011 sales and revenues of $60.138 billion, Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. The company also is a leading services provider through Caterpillar Financial Services, Caterpillar Remanufacturing Services and Progress Rail Services. We are a global company, with hundreds of locations worldwide & in partnership with our largest worldwide dealer network to serve and support our customer base, and respond quickly to their needs. Since its inception over 80 years ago, Caterpillar has grown to be the world's largest maker of construction and mining equipment, diesel and natural gas engines, and industrial gas turbines. We deliver products, services and technologies in three principal lines of business: Machinery, Engines and Financial Products. As a global, diverse technology leader, Cat commits to excellence in all that we do. We are proud to be a leader in building the world's infrastructure, and in enabling progress for millions of people around the globe.