Columbia River Carbonates, located in Woodland, Washington, USA, was established in 1985 as a supplier of high-grade ultra-fine ground calcium carbonate products and technical service for the paper, paint, plastic and other industries throughout the Northwestern United States and Western Canada. The company is a joint venture between OMYA, the world leader in ground calcium carbonate production, and Bleeck Management, Inc., a family-owned business, which has been in the calcium carbonate busine...