HW Gas provides accurate and detailed measurement and calibration of large petroleum, fuel, and chemical cargo storage tanks. Tank calibration includes shore tanks and ship tanks used for holding crude oil, refined petroleum products, LPG. Using the latest technology for tank calibration, engineers and technicians are equipped with state-of-the-art measuring devices. Storage tank corrosion can cause environmental contamination and losses. As a result, you need to ensure the safety and reliability of your tanks. Our inspection, audit and calibration services help you to avoid disasters and ensure that your storage tanks meet all relevant regulations. we offer you unparalleled expertise, state-of-the-art technology and a global reach. That is why we are the first choice for clients needing to ensure safe storage of everything from chemicals and petroleum products to liquefied gases.