Our main office is located at 301 W B-R Townline Road in Janesville, Wisconsin. This 100 acres was originally purchased in 1955 and at the time, was Rock Road’sTM only location. Over the years we have grown into a much larger operation, which resulted in opening pits, plants and offices at other locations throughout Wisconsin and Illinois. Rock Road Companies, Inc.TM has locations in Janesville, Beloit, Monroe, Rockford, LaPrairie, Milton, Elkhorn, Edgerton, Fort Atkinson, Belvidere, Oconomowoc and Madison.