Shelby Materials | Shelbyville Indiana – Ready mix accounts for 80% of business; aggregates, trucking and precast make up the rest. Like the rest of the industry, Shelby Materials expects 2009 to be another down year, after a disappointing 2008. Shelby has been a family-owned company for more than 50 years, starting in 1946 as the Cave Stone Co. in Norristown, Ind. Has 10 ready-mix plants and eight locations around Central and South Central Indiana. Shelby has the capacity to produce 400 yards of concrete an hour and has two portable plants. www.shelbymaterials.com
