International Tank Service, Inc.

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International Tank Service, Inc. designs, fabricates, installs and maintains above‑ground storage tanks built to API 650, AWWA and FM standards. The firm delivers end‑to‑end projects, guiding customers from initial concept and engineering through permitting, fabrication, erection and final commissioning. Its crews also perform API 653‑based repair and modification work, offering inspection services, tank‑bottom replacement, cone‑roof and floating‑roof installations, as well as the supply and fitting of shell rings, stairs, manways, primary seals, secondary containment systems, protective coatings and insulation. In addition, International Tank Service, Inc. provides expertise in tank foundations, including jacking, leveling and relocation of existing structures. The company’s custom shop produces fabricated components and utilizes AutoCAD for detailed design work. Tank capacities range from 23,000 gallons up to more than 7 million gallons, and services are available nationwide, covering the entire United States.

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