Trademarked as “The Nation’s Building Stone”, natural Indiana limestone can be found on built projects across north America and around the world. The Indiana Limestone Institute, founded in 1928, continues to provide a valued resource for architects, contractors, building owners and others seeking accurate, unbiased information about the use of Indiana Limestone in construction.

Drawing on over 190-years of built projects found throughout north America and around the world, the mission of the Indiana Limestone Institute is to ensure continued and relevant promotion, education and direct support in the design, application and care of Indiana Limestone through proven reference, research and technical data, resulting in projects of enduring beauty.