Related by context. Frequent words. (Click for all words.) 58 National Oilwell Varco 52 FMC Technologies 51 Patterson UTI Energy 49 Quanta Services 47 oilfield 46 Pioneer Drilling 46 Hornbeck Offshore Services 45 Sanderson Farms 45 Dresser Rand 45 Helix Energy 45 Flotek 45 Martin Marietta Materials 45 Geokinetics 44 Temple Inland 44 Willbros 44 Diamond Offshore Drilling 43 Alon USA 42 Caterpillar 42 MDU Resources Group 42 Carrizo Oil & 42 Schlumberger 42 EOG Resources 42 CenterPoint Energy 42 Fastenal 42 Quicksilver Resources 42 Helmerich & 42 Marathon Oil 42 Applied Materials 42 Cabot Oil 41 Tenneco 41 Illinois Tool Works 41 Tyson Foods Inc. 41 Parker Hannifin 41 Tyson Foods 41 Oilfield 41 Mohawk Industries 41 Venoco 41 AERT 41 Western Refining 41 Ultra Petroleum 41 Praxair 41 Cleco 40 Schlumberger Ltd. 40 A. Schulman 40 BorgWarner 40 Kforce 40 Car Mart 40 Fluor Corporation 40 StarTek 40 TXI 40 Petrohawk 40 Exxon Mobil 40 Commercial Metals 40 Immucor 39 Ternium 39 Chesapeake Energy 39 Spirit AeroSystems 39 Brooks Automation 39 Actuant 39 Deere 39 Flowserve 39 AXT 39 Energen 39 Nordson 39 Halliburton Co. 39 Celanese 39 MDU Resources 39 PPG Industries 39 PolyOne 39 Kennametal 39 Sanmina SCI 39 NYSE HAL 39 & Coots 39 Atmos Energy 39 Cymer 39 XTO Energy Inc. 39 Allis Chalmers 39 AMETEK 39 Patriot Coal 39 ONEOK 39 AO Smith 39 Piedmont Natural Gas 38 Caterpillar Inc 38 Adtran 38 Pilgrim Pride 38 Photronics 38 Ensco 38 AK Steel Holding 38 American Superconductor 38 Cooper Tire 38 offshore drilling contractor 38 Kulicke & 38 Werner Enterprises 38 Harsco 38 Teleflex 38 Mariner Energy 38 Texas Instruments TXN 38 Pioneer Natural Resources 38 Jacobs Engineering 38 Tower Automotive 38 Allegheny Technologies