Original oil and gas trade magazine vintage ad for SOUTHWEST INDUSTRIES, INC. Main office was located in Houston, TX. Growing, now a Dozen Gas Compressor Plants. And still room to grow. Photographs show the various stages in growth of the Continental Oil Company Plant, West Short Junction Field, OK. It has grown in size as the need for increased compressing capacity has gown. Designers and Manufacturers of packaged inert gas generators, packaged CO2, removal units, packaged gas compressors, and packaged waterflood plants. This unique 1959 two-page gatefold petroleum gas compressor equipment magazine advertisement would display beautifully matted and framed.