The group’s principal activities include gathering, compressing, treating, processing, transporting and selling natural gas and natural gas liquids. The group operates through three segments namely, natural gas services, wholesale propane logistics and NGL logistics. The group operates from the United States. Of the total revenue in the year 2006, the natural gas services segment accounted for $415.3, wholesale propane logistics $375.2and NGL logistics $5.3 (millions).