Profile: National Petroleum Services Company provides a broad range of services to the oil and gas industry. Our nitrogen service uses recovered waste energy from the power unit and hydraulic system to provide energy to convert the liquid nitrogen to a gaseous phase. Our industrial cleaning services include chemical cleaning and high pressure water cleaning systems. Our cementing provides zonal isolation in the well bore of oil, gas and water wells to prevent fluids such as water or gas in one zone from oil in another zone.