Companies covered: Kinder Morgan, Inc. (NYSE:KMI), Targa Resources Corp. (NYSE:TRGP), MPLX LP (NYSE:MPLX), Marathon Petroleum Corporation (NYSE:MPC), Enterprise Products Partners L.P. (NYSE:EPD), Williams Companies, Inc. (The) (NYSE:WMB), Antero Midstream GP LP (NYSE:AMGP), Energy Transfer Equity, L.P. (NYSE:ETE), ENERGY TRANSFER PARTNERS (NYSE:ETP), ONEOK, Inc. (NYSE:OKE), United Parcel Service, Inc. (NYSE:UPS), Magellan Midstream Partners L.P. (NYSE:MMP), EnLink Midstream Partners, LP (NYSE:ENLK), Noble Midstream Partners LP (NYSE:NBLX), Semgroup Corporation (NYSE:SEMG), Macquarie Infrastructure Company LLC (NYSE:MIC), Antero Midstream Partners LP (NYSE:AM), Noble Corporation (NYSE:NE), Hess Midstream Partners LP (NYSE:HESM), CrossAmerica Partners LP (NYSE:CAPL), Sprague Resources LP (NYSE:SRLP), Martin Midstream Partners L.P. (NASDAQ:MMLP), USA Compression Partners, LP (NYSE:USAC), Blackbird Energy, Inc. (CVE:BBI), NiSource, Inc (NYSE:NI), Tetra Technologies, Inc. (NYSE:TTI)