| | | | | | | | |
| | EXHIBIT 21.1 |
| SUMMIT MIDSTREAM CORPORATION |
| LIST OF SUBSIDIARIES |
| | |
| Name | | State or other jurisdiction of incorporation or organization |
| BCZ Land Holdings, LLC | | Delaware |
| Centennial Water Pipelines, LLC | | Delaware |
| DFW Midstream Services, LLC | | Delaware |
| Double E Pipelines, LLC | | Delaware |
| Epping Transmission Company, LLC | | Delaware |
| Grand River Gathering, LLC | | Delaware |
| Grasslands Energy Marketing, LLC | | Delaware |
| Meadowlark Midstream Company, LLC | | Delaware |
| Moonrise Midstream, LLC | | Delaware |
| Mountaineer Midstream Company, LLC | | Delaware |
| Polar Midstream, LLC | | Delaware |
| Red Rock Gathering Company, LLC | | Delaware |
| Summit Climate Solutions, LLC | | Delaware |
| Summit Contribution Holdings, LLC | | Delaware |
| Summit DJ-O, LLC | | Delaware |
| Summit DJ-O Operating, LLC | | Delaware |
| Summit DJ-S, LLC | | Delaware |
| Summit Management Holdings, LLC | | Delaware |
| Summit Midstream Finance Corp. | | Delaware |
| Summit Midstream GP, LLC | | Delaware |
| Summit Midstream Holdings, LLC | | Delaware |
| Summit Midstream Marketing, LLC | | Delaware |
| Summit Midstream Niobrara, LLC | | Delaware |
| Summit Midstream OpCo, LP | | Delaware |
| Summit Midstream Partners Holdings, LLC | | Delaware |
| Summit Midstream Partners, LP | | Delaware |
| Summit Midstream Partners, LLC | | Delaware |
| Summit Midstream Permian II, LLC | | Delaware |
| Summit Operating Services Company, LLC | | Delaware |
| Summit Permian Transmission Holdco, LLC | | Delaware |
| Summit Permian Transmission, LLC | | Delaware |
| Tall Oak Midstream Operating, LLC | | Delaware |
| Tall Oak Woodford, LLC | | Delaware |
| VM Arkoma Stack, LLC | | Delaware |