With fabrication, the artist creates a design and pays a fabricator to produce it. The main contractor was Sciame, while the steel fabricator was Cimolai. The AISC certification program criteria fully satisfy the AWS Welding Fabricator Certification program requirements. Companies may also become an official AWS Certified Welding Fabricator (CWF). He worked as a petroleum engineer before founding oil-equipment fabricator Kencana Petroleum. Successful installations are the result of collaboration between the designer, fabricator, and contractor. The use of this notation tells the welder exactly what is expected from the fabricator. Teutul was the chief designer and fabricator. He serves as the inventor, fabricator and the mechanic of the TNT group. Iverson and Siegel reorganized Nucor around its only profitable business, the steel fabricator Vulcraft. Guardian began in 1932 as a small automotive windshield fabricator in Detroit. Noel had been working as a metal fabricator. The immediate post-World War II years mark Johnstown's peak as a steel maker and fabricator. George Monroe, an architectural model fabricator, is fired when he refuses to use computer technology. The structure was to be constructed entirely from "off-the-shelf" parts available from steel fabricator catalogs.