Koster Grain Inc
​17995 Iris Ave, Carroll, IA, 51401
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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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Hours
​(Longer hours during harvest season)

MONDAY - FRIDAY:  7 AM - 5PM
SATURDAY - SUNDAY:  Closed
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.

For more information, please
Contact Us