Related by context. Frequent words. (Click for all words.) 78 Exterran Partners 64 Exterran 61 Martin Midstream Partners 60 Hiland Partners LP 60 Atlas Pipeline 59 Atlas Pipeline Holdings 59 BBEP 59 MarkWest Energy Partners 58 Allis Chalmers Energy 58 Ferrellgas Partners LP 58 Atlas Pipeline Partners 58 Crosstex Energy 58 MMLP 57 Targa Resources Partners LP 57 Magellan Midstream Partners 57 Transfer Equity 56 Copano Energy 56 Crimson Exploration 55 Buckeye GP 55 Parallel Petroleum 55 Legacy Reserves 55 Quicksilver Gas Services 55 QEP Resources 55 Inergy LP 54 CVR Energy 54 Bronco Drilling 54 TC PipeLines LP 54 Williams NYSE WMB 54 Hercules Offshore 54 Magellan Midstream Partners LP 54 Whiting Petroleum Corporation 54 GeoResources Inc. 54 Grant Prideco 54 Targa Resources Partners 54 Cimarex Energy 53 GMX Resources Inc. 53 Vanguard Natural Resources 53 Strongco 53 IESI BFC Ltd. 53 NuStar Energy 53 ONEOK Partners LP 52 Rosetta Resources 52 Copano Energy LLC 52 Whiting Petroleum 52 DCP Midstream Partners LP 52 Crosstex Energy LP 52 Inergy 52 Gasco Energy 52 TEPPCO Partners LP 52 EnerJex 52 Boardwalk Pipeline Partners LP 52 Sempra Energy NYSE SRE 51 Centerline Holding Company 51 Sunoco Logistics Partners LP 51 GenTek 51 BPZ Energy 51 El Paso Pipeline 51 Common Units 51 ENSCO International 51 Trican 51 Crosstex 51 Newfield Exploration Company 51 Kohlberg Capital 51 SGLP 51 Teekay Offshore 51 Marsulex 51 Enogex 51 Cano Petroleum 51 WHX 51 Navios Partners 51 PAA Natural Gas 51 Targa Resources 51 Overseas Shipholding 50 Sempra Pipelines & 50 Enerflex 50 National Oilwell 50 Approach Resources 50 Magnum Hunter 50 EnerVest 50 Brigham Exploration 50 TODCO 50 RRI Energy 50 Alliant Energy Corporation 50 Harvest Natural Resources 50 Cheniere Energy 50 Comm Bancorp Inc. 50 Valero LP 50 NuStar GP Holdings 50 OGE Energy 50 EXCO Resources Inc. 50 Wescan 50 MarkWest 50 WesternOne Equity 50 Trico Marine Services 49 AmeriGas Partners LP 49 Atwood Oceanics 49 MarkWest Energy Partners LP 49 NYSE DPL 49 Energen Resources 49 Atlas Pipeline Partners LP 49 Silgan Holdings