Tank Fleets

Groendyke Transport
John D. Groendyke, a prominent industry leader and chairman of Groendyke Transport, passed away June 13 at 81 years old. He played a pivotal role in expanding the family business and was deeply involved in tank truck industry advocacy, outdoor conservation efforts, and philanthropy in Oklahoma.
The long-time Groendyke Transport chairman and past NTTC chair died June 13 in Enid, Oklahoma. His decades of leadership, fleet expansion, and philanthropy left a lasting mark...
June 15, 2026