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Largest manufacturer of underground fiber-glass storage tanks in the world
ZCL | Xerxes is a leading innovator in composite tank engineering, with nearly 40 years of direct industry experience. When ZCL Composites Inc. acquired Xerxes Corporation in 2007, it brought together North America’s two leading fiber-glass tank brands: ZCL (founded in 1987) and Xerxes (founded in 1979). Our track record of approximately a quarter of a million installations stands as proof of the reliability and excellence of our products. ZCL | Xerxes 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. We offer both underground and above-ground fiberglass tank options – plus a full complement of accessories.


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