Columbia Grain, a grain elevator, completed the acquisition of Great River Organic Milling, a supplier worldwide of bulk grain. Financial terms were not disclosed. "This process brought together two complementary partners truly committed to the organic industry and its success. We're extremely pleased to complete the sales process for Great River Organic Milling so that Rick can continue to focus on delivering exceptional customer service and value to the growers and end users while leveraging the resources and strengths of Columbia Grain," Mark Warren, Ascendant Partners Managing Partner.