Bringing producers and industry together.

North Newton Location
1911 Main St, North Newton, KS

TMA purchases grain during normal business hours from 8:00 am to 5:00 pm CST Monday through Friday on market trading days.

Cash bids are an indication only and not real-time. For actual bids, and to sell grain, please contact your nearest TMA location.

Market data provided by

Cory Dieball

Cory Dieball

Grain Marketing Specialist


Cory Dieball joined TMA as a Grain Marketing Specialist in July of 2012. Before joining the TMA team, Cory worked for Cargill in sales and merchandising. He is looking forward to helping producers maximize profit in his position with Team Marketing Alliance.
A native of Manhattan, Kansas, Cory graduated from Kansas State University in 2004 with a degree in Animal Science. While in college he was a member of the livestock judging team.
Cory and his wife, Sally, live south of Little River with their two children, Taylor and Cole. They operate a small farm and spend the majority of their spare time taking Taylor to cattle shows. Cory also enjoys hunting and fishing with his children and is a season ticket holder for both Kansas State University football and basketball.

Weston Hiebert

Weston Hiebert

Crop Insurance Specialist


Weston Hiebert joined TMA in February 2015 through the TMA Professional Development Program. This program is designed to provide a well-rounded training on both crop insurance and grain marketing. After the completion of this program, Weston became a crop insurance specialist for TMA. He is originally from Goessel, Kan., where he grew up on his family’s dairy farm. After high school, Weston attended Kansas State University and majored in agricultural economics with a minor in leadership studies. He was a walk-on for the K-State Football team before earning a scholarship his junior season and being named team captain in his senior season for the Wildcats. He was also named to the Academic All Big 12 First Team three times and the National Football Foundation and College Football Hall of Fame (NFF) Hampshire Honor Society his senior season.

Weston currently lives in the Goessel area and helps on the family farm. His responsibilities with TMA will be providing risk management in Marion, McPherson, Harvey and other surrounding counties. He is currently planning a wedding with his fiance, Courtney, who is a school counselor in Valley Center. Weston is excited to return to his roots in agriculture and serve the communities surrounding his hometown.


(316) 283-2980

Fax: (316) 283-1971