Related by context. Frequent words. (Click for all words.) 68 Consol Energy 50 Alpha Natural Resources 49 Mellon Arena 49 Consol 48 Allegheny Energy 47 Consol Energy Center 47 Arch Coal 46 AK Steel 45 Allegheny Technologies 45 Alcoa 45 Heinz Field 45 Susquehanna 45 Mylan 44 Massey Energy 44 Pittsburgh Penguins 44 Norfolk Southern 43 Appalachian Power 43 Cliffs Natural Resources 43 Chesapeake Energy 43 Sunoco 43 PPL 43 Wheeling Pittsburgh 43 SandRidge 42 PPL Electric Utilities 42 Coal 42 PPG Industries 42 PECO 42 Harsco 42 Advance Auto Parts 41 FirstEnergy 41 Patriot Coal 41 Gaylord Entertainment 41 PACCAR 41 Allegheny 40 WesBanco 40 Peabody Energy 40 DCNR 40 Steel Dynamics 40 Cintas 40 PNC Park 40 HSBC Arena 40 Savvis 40 Cleveland Cliffs 40 Corel Centre 40 Penguins 40 Mechel 40 Suncor Energy Inc. 40 Suncor Energy 39 ONEOK 39 Severstal 39 Ingersoll Rand 39 Buffalo Sabres 39 Constellation Energy 39 ArcelorMittal 39 FNB Corporation 39 A. Schulman 39 Luminant 39 ARAMARK 38 Highmark 38 Esmark 38 AK Steel Holding 38 Sommet Center 38 Mittal Steel 38 Nationwide Arena 38 AGL Resources 38 Duquesne Light 38 Wilkes-Barre/Scranton Penguins 38 Cabot Oil 38 West Virginia 38 XTO Energy Inc. 38 Philadelphia Flyers 38 Pittsburgh 38 Airgas 38 Agnico Eagle 37 Progress Energy 37 AngloGold Ashanti 37 Petersen Events Center 37 Reliant Energy 37 Kinross 37 Continental Airlines Arena 37 Dick Sporting Goods 37 Suncor 37 Weirton 37 Monaca 37 Lewisburg 37 Novelis 37 Anglo Platinum 37 TransAlta 37 CIL 37 Scotiabank Place 37 Exelon 37 Mountaineer 37 Harleysville 37 Rentech 37 Jobing.com Arena 36 Slippery Rock 36 Latrobe 36 KeySpan 36 Range Resources 36 metallurgical coal 36 Calpine