Zerust Oil & Gas is a division of Northern Technologies International (NTIC), the world’s largest manufacturer of vapor corrosion inhibitors (VCIs). Based in Circle Pines, Minnesota, with offices in 55 countries,they have over 40 years of experience with products, which reduce steel corrosion rates in multiple industries. VCIs are proven to effectively protect corrosion prone areas of above ground storage tank (AST) floors and roofs. Whether a tank is in-service or out-of-service, in most cases VCIs can be applied to reduce corrosion and extend the service life of these assets. Protection of pipe casings, mothballing of pipelines or tanks, floating roof leg protection, and many other applications are possible with VCIs. Zerust traditional products focus on the preservationof materials and equipment for storage, shipping, or mothballing.