Contact Us


Dunkerton Cooperative Elevator
PO Box 286
509 West Dunkerton Street,
Dunkerton IA, 50626
319-822-4291 or 1-800-627-3528
Fax 319-822-7700

Dunkerton Co-op Dry Fertilizer Terminal
510 West Dunkerton Street
Dunkerton, Iowa
319-822-4207 or 319-822-4291

Dunkerton Unmanned 24 Hour Liquid Fertilizer Terminal
510 West Dunkerton Street
Dunkerton, Iowa
319-822-4207 or 319-822-4291

Dunkerton Chemical, Seed and Liquid Fertilizer 
800 S Canfield 
Dunkerton, Iowa
319-822-4291

Key Personnel:
General Manager: William Manweiler 319-822-4291, Cell 319-240-4791, wilman@dunkertoncoop.com

Grain Department Manager/Origination & Merchandiser: Shawn Higgins 319-822-4291, 319-296-4968 shiggins@dunkertoncoop.com

Agronomy Department Manager: John Swehla 319-822-4291, Cell 319-415-7504, jswehla@dunkertoncoop.com

Agronomy Sales: Dein Gosse 319-822-4291, Cell 319-240-3026, dgosse@dunkertoncoop.com

Agronomy Sales: Austin Cook 319-822-4291, Cell 319-240-4524, acook@dunkertoncoop.com

Feed Department Manager/Sales Specialist: Joel Carlson 319-822-4291, Cell 641-580-0073, jcarlson@dunkertoncoop.com

Feed Production Supervisor: Joe Horak 319-822-4291, jhorak@dunkertoncoop.com

Feed Sales: Tom Grober, Cell 319-269-9397

Shop Manager: Jacob Wenger, Shop 319-269-3183

Agronomy Billing and Accounts Recievable/Billing: Theresa Sadler 319-822-4291, tsadler@dunkertoncoop.com

Feed Billing, Order Entry, Shop Billing & Grain Assistance: Ann Sadler 319-822-4291, asadler@dunkertoncoop.com

Accounts Payable, Administrative Assistant: Shari Sorensen 319-822-4291, ssorensen@dunkertoncoop.com

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