DES MOINES, Iowa — Caterpillar Inc. has recognized Bridgestone Americas Inc.'s agricultural tire plant in Des Moines with a platinum-level Supplier Quality Excellence Program Certification, the equipment maker's top supplier honor.
The platinum-level certification is a significant milestone for Bridgestone and the Firestone Ag team after the Des Moines plant received gold level in the Caterpillar certification for the past three years, Bridgestone said.