CHS River Plains/Farmers Alliance

PO Box 550

Highmore, SD 57345

Phone: 605-852-2267

Ryan Rittel: 605-280-4430

Karla O’Day: 605-280-6959


CHS River Plains & Farmers Alliance are your local CHS farmer-owned cooperative that provides agronomy, grain, food and energy resources to businesses and consumers in Central South & North Dakota.  CHS offers Cenex products which includes refined fuels, lubricants, & propane. Karla O’Day and Ryan Rittel are your local CHS representatives who can assist you with your energy needs and can connect you to our other locations for your agronomy, grain, and livestock feed needs.