Vulcraft Expansion in Dekalb County08/14/2026Indiana Governor Mike Braun was in northeast Indiana on Thursday to announce a major business expansion. Steel manufacturer Vulcraft will expand its DeKalb County operation with an investment exceeding $59 million. Vulcraft, a division of Nucor Corp., will also add up to 20 high-wage jobs by the end of 2027. Founded in 1946, the company launched operations in St. Joe in 1972. Vulcraft employs more than 300 Hoosiers in northeast Indiana. It will break ground on the new facility in the fourth quarter.