A legacy of sustainability: Stolk Brothers and Koppert’s shared vision
March 17, 2025
chemical sprays, and it became clear that we needed a better, healthier alternative.” That’s when they turned to Koppert’s biological solutions. At the time, [...] was seen as unconventional, even laughed at. “People thought we were crazy, calling us the ‘guys with bugs ,’” Pieter recalls. “But fast forward 30 years [...] remains a family business at heart—focused on quality, innovation, and close relationships.” Despite Koppert’s expansion, Stolk Brothers continues to feel the