
SIOUX CENTER, IA – Groschopp, Inc. was recently awarded a platinum level premium supplier certification from Caterpillar for outstanding quality and excellence for the second year in a row. The platinum certification level is the top tier in Caterpillar’s Supplier Quality Excellence Process (SQEP). Caterpillar presents this certification as a way to recognize top suppliers who demonstrate a commitment to excellence through a variety of standards, such as product quality and shipping performance.