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Natural Gas Transmission and Distribution

Natural Gas Transmission and Distribution

   Sem Gas Lp

   Mid-America Pipeline CO

   Scissor Tail Energy LLC

   Oklahoma Natural Gas CO

   Chelsea Gas Authority

   Energy Choska

   Enogex LLC

   Duke Energy

   Oneok, Inc

   Hughes Gas System LLC

   Entex Information Service

   Enerfin Resources CO

   Northeast Oklahoma Public Fac

   Northeast Oklahoma Public Facilities Authority

   Depew Storage

   Natural Gas Pipeline Company Of America LLC

   Speller Oil Corp

   Centerpoint Energy Houston Electric LLC

   Oklahoma Natural Gas CO

   Scissor Tail Energy

   Oneok Inc

   Enogex Inc

   Northeast Oklahoma Public Fac

   Oneok Energy Service CO Lp

   Noram Gas Transmission

   Oneok, Inc

   Enterprise Products

   Cbm Gas CO

   Ward Petroleum Corporation

   W D Carter Lp Gas Inc

   Dorchester Minerals Operating

   US Gas Service LLC

   Exoko Gas Technologies Inc

   Targa Resources

   Oneok, Inc

   Leann Gas & Water Inc

   Duke Energy Natural Gas Corporation

   Jennings-Hallett Gas Authority

   Seminole Energy Services, L L C

   Semgas Gathering, L L C

   Hawkins Filtration

   Geary Energy, L L C

   Minco Gas Authority

   Jerry L Azlin Company

   Plains All American Olp

   Cotton Valley Compression Inc

   East Central Oklahoma Gas

   Southern Star Central Gas Pipe

   Southwestern Gas Pipeline, Inc

   Duke Energy Natural Gas Corporation

   Pauls Valley Pipeline Corp

   Centerpoint Energy Resources Corp

   Williams Energy Services, LLC

   Southern Oklahoma Devmnt

   Dcp Midstream LLC

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