Hoosier Tank is a manufacturer of steel air reservoirs for the heavy duty truck and trailer industry. Family-owned and operated since 1991, we are ISO/TS 16949 certified, with 30 years of tank making experience.  Operating out of our 100,000 square foot facility located in South Bend, Indiana, are three high-efficiency assembly lines – designed to produce up to 850,000 tanks a year to SAE J10 and FMVSS 121 specifications.