Calcium Products

FarmingIowa, United States51-200 Employees

Calcium Products is a mid-sized farming inputs company based in Ames, Iowa, that specializes in turning ultra-fine powders into practical granular products for agriculture. It processes materials such as limestone, gypsum, and humates to produce granules designed for easy handling and effective field performance, with a line focused on addressing common drawbacks of pelletized powders. 

Its customers include farmers and other agricultural operators seeking dependable, uniform granular fertilizers. The company sits in the farming industry as a supplier of higher-quality, ready-to-use granules that improve handling and application on the farm. In 2024 Calcium Products became part of HBM Holdings, reflecting a change in ownership while continuing its focus on granular agricultural inputs.

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