Related by context. Frequent words. (Click for all words.) 74 MDU Resources 62 OGE Energy 59 Allete 57 Avista Corp. 56 ALLETE 54 NorthWestern 54 Xcel Energy 54 ONEOK 54 Questar Corp. 54 Compass Minerals International 54 Comstock Resources 54 Oneok 54 Whiting Petroleum Corporation 53 Raven Industries 53 Approach Resources 53 StanCorp Financial Group 53 NorthWestern Energy 52 Sempra Energy NYSE SRE 52 Westar Energy 52 Glacier Bancorp 52 MarkWest Energy Partners 51 Legacy Reserves 51 NYSE PCG 51 Avista Utilities 51 Plum Creek Timber 51 ENSCO International 51 Beacon Roofing Supply 50 Harvest Natural Resources 50 UniSource Energy 50 EXCO Resources Inc. 50 Commerce Bancshares 50 Energen 50 Magellan Midstream Partners LP 50 Ultra Petroleum 50 Allis Chalmers Energy 50 PNM Resources 50 WPS Resources 50 Integrys Energy Group 50 Rosetta Resources 49 Alliant Energy Corporation 49 Compass Minerals 49 Laclede Group 49 Plains Renewable Energy 49 NYSE ECA 49 Royale Energy 49 Enogex 49 Otter Tail Power 49 Martin Marietta Materials 49 WGL Holdings 49 FBL Financial Group 49 Carrizo Oil & 49 Badger Meter 49 CVR Energy 48 Layne Christensen 48 Crosstex Energy 48 Northeast Utilities 48 Grande Cache Coal 48 Stillwater Mining 48 SandRidge Energy Inc. 48 Calamos Asset Management 48 NYSE ACI 48 XTO Energy Inc. 48 Pepco Holdings Inc. 48 Atmos Energy 48 Arch Coal 48 Baytex Energy Trust 48 Quanta Services 48 Ormat Technologies Inc. 47 Suncor Energy 47 DCP Midstream Partners LP 47 Hecla Mining 47 BOK Financial 47 NW Natural 47 Newfield Exploration 47 ONEOK Partners 47 Vanguard Natural Resources 47 TransCanada 47 Norsk Hydro ASA 47 Ensco International 47 Quest Resource 47 Coeur d' Alene Mines 47 Pepco Holdings 47 Granite Construction 47 Ameron International 47 NYSE TSO 47 AGL Resources 47 Denbury Resources Inc. 47 Petrobank Energy 47 Cimarex 47 Westlake Chemical 46 Quicksilver Resources 46 Anixter International 46 NiSource 46 Uranium Resources 46 GreenHunter Energy 46 AltaGas 46 Advantage IQ 46 Transfer Partners LP 46 WESCO International 46 Spectra Energy Corp 46 National Oilwell