Awarded STI PERMATANK® Top Producer of the DecadeThe Steel Tank Institute/Steel Plate Fabricators Association (STI/SPFA) is pleased to announce Padungsilpa Engineering Co., Ltd. as the Top STI PERMATANK® Producer of the Decade. STI/SPFA Executive Vice President Wayne Geyer presented the decade award-winning plaque to Padungsilpa Engineering Co., Ltd. Managing Director Supara Sinsamudpadung in Thailand on February 7, 2020. The plaque was presented in a ceremony at the company’s facilities with staff present.

A constant Permatank® producer for more than 20 years, Padungsilpa Engineering Co., Ltd. has received numerous awards for top Permatank producer throughout the years, and continues their strong production of this STI/SPFA technology today. Padungsilpa Engineering Co., Ltd. fabricated 8,500 Permatanks from 2010 through 2019, capable of storing a quarter billion gallons of fuel.

Padungsilpa Group has been serving the petroleum industry since 1964. More information about Padungsilpa can be found on their website.

About Steel Tank Institute/Steel Plate Fabricators Association (STI/SPFA)

STI/SPFA is a not-for-profit trade association whose member companies fabricate steel tanks, pipe, and pressure vessels for use in the petroleum, food, water, and chemical processing industries. For more information, visit our website at

Post Category

  • Press Releases


Published Date

February 13, 2020


Katie Bruce

Safety Products Purchasing Program