PT Indospring Tbk manufactures and sells leaf and coil springs to the automotive industry. It provides parabolic, trailing, yoko-oki, and multi leaf springs; and tension, compression, valve, hot coil, and spiral springs, as well as wire rings and stabilizer bars. The company was founded in 1978 and is based in Gresik, Indonesia. PT Indospring Tbk is a subsidiary of PT Indoprima Gemilang.