Our track record of approximately 200,000+ installations stands as proof of the reliability and excellence of our products. Xerxes by Shawcor tanks are structurally strong and made of 100% premium resin and glass (no fillers), making them corrosion-resistant, both inside and out. These are just a few of the reasons engineers and project specifiers select our tanks as the ideal storage solution for their Fuel, Water & Wastewater, and Oil & Gas applications.