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National Oilwell Varco (NYSE: NOV) is a worldwide leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, and the provision of oilfield services to the oil and gas industry.
Clinkenbeard is a Rockford, IL-based company in the Manufacturing sector.
Highland Machine Tool Inc is a Floyds Knobs, IN-based company in the Manufacturing sector.
Illinois Machine and Tool Works is a Pekin, IL-based company in the Manufacturing sector.
Academy Petroleum Industries is a Edmonton, AB-based company in the Manufacturing sector.