BHP BILLITON LIMITED (traded on New York Stock Exchange) is one of my favorite stocks I will invest in the next five years. BHP is a diversified natural resources company which operates nine customer sector groups (CSGs): petroleum, aluminum, base metals (including uranium), diamonds and specialty products, stainless steel materials, iron ore, manganese, metallurgical coal and energy coal. There are four steps of analysis before I decided to invest in BHP BILLINTON LIMITED.