Original oil and gas trade magazine vintage ad for KLEMP METAL GRATING COMPANY, Plants were located at 6601 S. Melvina Ave, Chicago, IL, 1371-89 N. North Branch St., Chicago, IL, 7700 Wallisville Road, Houston, Texas, and 538 Eastshore Highway, Albany, CA. Manufacturers of Hexteel Vessel Liners, Stair Treads, Riveted Grating, Welding Grating, Riv-Dexteel Bridge Decking, Aluminum Grating and Hexteel-Floorsteel Floor Armors. Unique 1959 old petroleum oilfield and refining industry equipment magazine advertisement would look fantastic matted and framed. Nice graphics.