Cal worked in construction from his graduation in high school. Subsequently he was educated as a Civil Engineer. He progressed into running work as Superintendent and Project Manager in the arena of Heavy Construction (Civil).He also acted as Superintendent on various missile complexes, Atlas, Titan I, Titan II, and Minuteman. These efforts were located in many of the Western States.Later, he advanced to middle and executive management of various General Contracting firms, functioning as.