X0101 EFFECT 33 LIVE 2014-03-07 14:00:00

S-4

0001586946 Summit Midstream Holdings, LLC 333-193473 0001579839 Summit Midstream Finance Corp. 333-193473-05 0001549922 Summit Midstream Partners, LP 333-193473-04 0001586816 Bison Midstream, LLC 333-193473-03 0001586954 Grand River Gathering, LLC 333-193473-02 0001586943 DFW Midstream Services LLC 333-193473-01