Contact Groendyke Ranch Name First Last Email PhoneMessagePhoneThis field is for validation purposes and should be left unchanged. Phone John D. Groendyke Owner Office: 580-234-4663 Paul J. Koffskey Ranch Manager 580-541-1315 paulk@groendykeranch.com Email paulk@groendykeranch.comLocation 22314 CR 830 Nash, Oklahoma 76761Contact John D. Groendyke Owner Office: 580-234-4663Paul J. Koffskey Ranch Manager Phone: 580-541-1315 paulk@groendykeranch.com Location 22314 CR 830 Nash, Oklahoma 76761