Related by context. Frequent words. (Click for all words.) 78 ONEOK 62 Kinder Morgan 56 SandRidge 55 Chesapeake Energy 55 Atmos Energy 55 Petrohawk 55 SemGroup 54 Spectra Energy 54 Kerr McGee 53 Western Refining 53 XTO 53 Dynegy 52 ConocoPhillips 52 XTO Energy 52 Quicksilver Resources 52 XTO Energy Inc. 51 CNX Gas 51 CenterPoint 51 Westar Energy 51 EnCana 51 El Paso Pipeline 50 Pioneer Natural Resources 50 Conoco 50 Ultra Petroleum 50 FMC Technologies 50 PNM Resources 50 Encana 50 Magnum Hunter 50 Denbury 49 Natural Gas 49 ConAgra 49 Westar 49 CenterPoint Energy 49 Inergy 48 EOG Resources 48 NW Natural 48 Products Partners LP 48 Nicor 48 Sempra 48 Vectren 48 Kinder Morgan Energy 47 natural gas 47 Terasen 47 AGL Resources 47 Marathon Oil 47 Calpine 47 Entergy 47 Cheniere 47 TXU 47 Venoco 46 Pengrowth 46 Questar 46 Anadarko 46 NiSource 46 Dominion Resources 46 National Oilwell Varco 46 Cenovus 46 UGI 46 Nexen 46 Enbridge 46 Xcel Energy 46 NorthWestern 45 Tyson Foods 45 Cinergy 45 Suncor 45 Pilgrim Pride 45 Midstream 45 ChevronTexaco 45 EOG 44 Sempra Energy 44 Mid Continent 44 TD Ameritrade 44 Flowers Foods 44 Exxon Mobil 44 Quanta Services 44 Hormel Foods Corp. 44 Piedmont Natural Gas 44 QuikTrip 44 Reliant Energy 43 Flowserve 43 Avista Corp. 43 Ameren 43 Allegheny Energy 43 NOVA Chemicals 43 Range Resources 43 Willbros 43 Integrys Energy Group 43 JB Hunt 43 BNSF 43 Lyondell 43 Weatherford 43 McMoRan 43 Coca Cola Enterprises 43 KeySpan 43 ConocoPhillips COP 43 E.On 43 SWEPCO 42 Occidental Petroleum Corp. 42 ConAgra Foods 42 Flying J 42 TransCanada