Some ironworkers may be used by building businesses, while others can be members of labor unions or operate as part of specialized ironworking contractor teams. Reinforcing Ironworkers: Reinforcing ironworkers, also called rod busters or rebar employees, specialize in reinforcing concrete buildings with metal bars or rebar. They go through blueprints https://pro.porch.com/santa-ana-ca/general-contractors/naddours-custom-metalworks/pp