Summit Midstream Partners LLC operates gathering lines and processing plants. Operations are divided between the Core Focus Area and Legacy Area business units. Common units in Summit Midstream Partners are listed on the NYSE (SMLP) exchange.
The company was formed in 2009 with funding from Energy Capital Partners II. The company relocated its headquarters from The Woodlands, Texas to downtown Houston in 2020 including its finance and accounting staff from Atlanta. In 2020, Summit announced an agreement to acquire Energy Capital Partners' stake in the company.