fireproofing inspectionsSort By:DefaultBusiness NameZIP Code CERTIFIED TESTING SERVICES Address: 419 W 6th ST. PO BOX 1193 SIOUX CITY, IA 51102SIOUX CITY 51102Business Trade:aggregate inspections, concrete testing, construction steel inspections, fireproofing inspections, geotechnical engineering, soil testingBusiness Contact:JACK KRAGEBusiness Phone #:712-252-5132Business Contact Email:ctsinc@ctsgeo.comBusiness Website Address:Certified Testing Services