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 a 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 provides 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.