The company operates through NW Natural Gas Company (NW Natural), SiEnergy Operating (SiEnergy), NW Natural Water Company (NW Natural Water), NW Natural Renewables Holdings (NW Natural Renewables), and other business interests, serving a combined population of over 2.6 million people. Essential Duties & Responsibilities: Install and repair water mains, fire hydrants, check valves, and water service lines; tap water mains; perform ground excavation; mix, rake, and spread asphalt; and patch or repair excavations.