Stedman will host an open house on Sept. 12 in celebration of its 175th anniversary this year, the company announced. The open house is open to the public and local neighborhood as well as to Stedman employees, retirees and family members. The mayor and town council of Aurora, Ind., local senators, suppliers and customers are also invited to attend. Tours of the shop, office and test plant will be given at the event. The company provides customers with solutions to size reduction and bulk material processing.