Koster Grain Inc

Carroll Office: 712-792-5424
Carroll Toll Free: 800-798-5421
Carroll Fax: 712-792-5910
GRAIN BIDS: 866-349-2750
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17995 Iris Ave 
Carroll, IA 51401
Welcome to Koster Grain Inc
Koster Grain started out as a grain elevator in Maple River, IA in 1977. Since then it has expanded to offer feed products for cattle and bedding for turkeys, horses, dairys, etc. We cover most of the upper midwest and can get you the products you need to make your operation successful.
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