Celebrating 130 years of legacy CST Industries Inc., has installed over 375,000 Tanks and 20,000 Covers in over 125 countries. CST is home to world class brands including AQUASTORE®, TecTank™ (formerly Columbian TecTank®) and OptiDome®. CST’s aluminum domes, flat panel covers and reservoir covers are versatile enough to permit a wide range of accessories important to the water and wastewater industry. CST tanks are available in bolted and welded designs, capacities of 4,000 to 6,000,000+ gallons, and in-ground, standpipe or elevated configurations. CST tanks and covers are manufactured in United States ISO Certified facilities and supported by dedicated service teams.