For nearly 90 years, Caterpillar has been making sustainable progress possible and driving positive change on every continent. Caterpillar is one of the world's leading manufacturers, designing, developing, engineering, manufacturing, marketing and selling machinery, engines, financial products and insurance to customers via a worldwide dealer network. It is among the world's largest construction equipment manufacturers. The company principally operates through three product segments: resource industries, construction industries and energy and transportation. Through fiscal year 2010, Caterpillar divided its products, services and technologies into three principal lines of business: machinery, engines and financial products for sale to private and governmental entities.