Superior Tank Company, Inc.

Superior Tank Company (STCI), headquartered in Rancho Cucamonga, California with additional divisions in Bakersfield, California and Rosenberg, Texas, provides end-to-end steel storage tank solutions spanning engineering, manufacturing, and installation. The company manufactures two primary product lines: bolted steel storage tanks available in powder-coated, hot-dip galvanized, and stainless steel configurations with capacities from 10,000 to 2,500,000 gallons, and welded steel storage tanks field-fabricated from heavy gauge carbon steel with specialized field-applied liquid coatings and a smooth seamless appearance, also ranging from 10,000 to 2,500,000 gallons. Bolted tanks carry NSF 61/372 certification and feature fast modular assembly with minimal site disruption. STCI holds ISO 9001:2015 quality assurance certification across its manufacturing facilities and maintains a comprehensive safety program with over 2,200 annual inspections. The company serves water storage, crude oil storage, fire protection, agriculture, and dry bulk storage markets, with a Latin America division supporting international projects. Integrated services cover the full project lifecycle from engineering through installation and ongoing tank maintenance.