Northwest Natural Holding Company, through its subsidiary, Northwest Natural Gas Company, provides regulated natural gas distribution services to residential, commercial, and industrial customers in the United States. The company operates mist gas storage facility contracted to other utilities, third-party marketers, and electric generators; offers natural gas asset management services; and operates an appliance retail center. It also engages in gas storage, water and wastewater, non-regulated renewable natural gas, and other investment businesses. In addition, the company offers natural gas service in Oregon and southwest Washington; and water and wastewater connections. Northwest Natural Holding Company was founded in 1859 and is headquartered in Portland, Oregon.