Percent Number Percent Highway / Masonry Contractors / Building Finishing Contractors / Nonresidential Building / Building Equipment Contractors / Mine Safety and Health Administration / Building Material / Building Exterior Contractors / Bridge Construction / /
Organization
Postal Service / Mine Safety and Health Administration / Nonresidential Poured Concrete Foundation / Number Percent Public Administration / Public Administration / U.S. Department of Labor / Other Foundation / Concrete Foundation / Bureau of Labor Statistics / Freemasonry / Industry Number Percent Number Percent Government / /