COLUMBIA RIVER CARBONATES was established in 1985 as a supplier of high grade, ultra-fine ground calcium carbonate throughout the Northwestern United States, Western Canada, and the Pacific Rim. As a partnership between Bleeck Management, Inc., and Northwest Carbonates, Inc., the company incorporates the highest level of manufacturing, technical experience and expertise of both owners, each of which have been active in calcium carbonate production and technical development for generations. Bleeck Management, Inc., is owned by a family which has been in the business of calcium carbonate since the 19th Century. Northwest Carbonates, Inc., is a wholly owned subsidiary of Omya, Inc. Omya, founded in 1884, is the world’s leader in ground calcium carbonate production, technology and services to more than sixty industrial sectors as diverse as agriculture, paper, food and pharmaceuticals. As a sister company of Omya, Columbia River Carbonates also offers its industrial clients unrivaled diversity in products and services.