Jacobs Corporation, established in 1934, is a leading manufacturer of replacement parts for hammer mills and pellet mills. Based in Harlan, Iowa, the company serves over 4, 000 mills in more than 80 countries, providing high-quality products tailored to specific grinding needs. Jacobs Corporation specializes in hammers, rods, screens, dies, and roller shells, catering to industries such as ethanol production, rendering, animal feed, and biomass processing.