Western Gas Partners' style is to gather and go. The company gathers and transports natural gas for its largest customer and parent, Anadarko Petroleum, and delivers natural gas and natural gas liquids (NGLs) to end-users. It handles gathering, processing, and throughput of about 2.2 billion cu. ft. of gas a day through eleven natural gas gathering systems, seven treating facilities, one natural gas liquids pipeline, and one interstate pipeline (totaling more than 8,820 miles across Wyoming, Utah, Texas, Oklahoma, and Kansas). Operating principally under long-term contracts, the company gathers natural gas from individual wells, after which it is compressed, treated, and delivered to customers.