Exhibit 21.1
LIST OF SUBSIDIARIES OF NGL ENERGY PARTNERS LP
| Subsidiary | Jurisdiction of Organization | |
| Accelerated Water Resources, LLC (1) | Delaware | |
| AntiCline Disposal, LLC | Wyoming | |
| AWR Disposal, LLC | Delaware | |
| B&D Water, LLC (2) | New Mexico | |
| Centennial Energy, LLC | Colorado | |
| Centennial Gas Liquids ULC | Alberta | |
| Choya Operating, LLC | Texas | |
| DACO Permian 76, LLC | Texas | |
| Disposals Operating, LLC | Delaware | |
| GGCOF HEP Blocker, LLC | Delaware | |
| GGCOF HEP Blocker II, LLC | Delaware | |
| Grand Mesa Pipeline, LLC | Delaware | |
| GSR Northeast Terminals LLC | Delaware | |
| HEP Hidden Bench Holdco, LLC (3) | Delaware | |
| HEP Intermediate Holdco, LLC | Delaware | |
| HEP Intermediate Holdco Sub, LLC | Delaware | |
| HEP Operations Holdings, LLC | Delaware | |
| HEP Operations, LLC | Delaware | |
| HEP Shalewater Solutions, LLC | Delaware | |
| Hillstone DACO 76, LLC | Delaware | |
| Hillstone DACO Permian, LLC | Delaware | |
| Hillstone Environmental Partners, LLC | Delaware | |
| Hillstone Permian Adams, LLC | Delaware | |
| Hillstone Permian Arthur, LLC | Delaware | |
| Hillstone Permian Cleveland, LLC | Delaware | |
| Hillstone Permian Fortress, LLC | Texas | |
| Hillstone Permian Garfield, LLC | Delaware | |
| Hillstone Permian Hamilton, LLC | Delaware | |
| Hillstone Permian Harrison, LLC | Delaware | |
| Hillstone Permian Hayes, LLC | Delaware | |
| Hillstone Permian Knox, LLC | Delaware | |
| Hillstone Permian Madison, LLC | Delaware | |
| Hillstone Permian McKinley, LLC | Delaware | |
| Hillstone Permian Monroe, LLC | Delaware | |
| Hillstone Permian Pipeline, LLC | Delaware | |
| Hillstone Permian Pipeline Loving BR, LLC | Delaware | |
| Hillstone Permian Poker Lake, LLC | Delaware | |
| Hillstone Permian Rattlesnake, LLC | Delaware | |
| Hillstone Permian Reagan, LLC | Delaware | |
| Hillstone Permian Roosevelt, LLC | Delaware | |
| Hillstone Permian Shultz, LLC | Delaware | |
| Hillstone Permian St. Lucia, LLC | Delaware | |
| Hillstone Permian Taft, LLC | Delaware | |
| Hillstone Permian Wilson, LLC | Delaware | |
| Indigo Injection #3-1, LLC (4) | Delaware | |
| KAIR2014, LLC (5) | Oklahoma | |
| Loving Fortress, LLC | Texas | |
| Matagorda Bay Costa Azul Terminal, LLC | Delaware | |
| NGL Crude Cushing, LLC | Oklahoma | |
| NGL Crude Logistics, LLC | Delaware | |
| NGL Crude Terminals, LLC | Delaware | |
| NGL Crude Transportation, LLC | Colorado | |
| NGL Delaware Basin Holdings, LLC | Delaware | |
| NGL Energy Equipment LLC | Colorado | |
| Subsidiary | Jurisdiction of Organization | |
| NGL Energy Finance Corp. | Delaware | |
| NGL Energy GP LLC | Delaware | |
| NGL Energy Holdings II, LLC | Delaware | |
| NGL Energy Logistics, LLC | Delaware | |
| NGL Energy Operating LLC | Delaware | |
| NGL Energy Services, LLC (6) | Delaware | |
| NGL Gateway Terminals, Inc. | Ontario | |
| NGL Liquids, LLC | Delaware | |
| NGL Marine, LLC | Texas | |
| NGL Milan Investments, LLC | Colorado | |
| NGL Recycling Services, LLC | Delaware | |
| NGL South Ranch Holdings, LLC | Texas | |
| NGL South Ranch, Inc. | New Mexico | |
| NGL Supply Terminal Company, LLC | Delaware | |
| NGL Supply Terminal Solution Mining, LLC (7) | Utah | |
| NGL Supply Wholesale, LLC | Delaware | |
| NGL TM LLC | Delaware | |
| NGL Waste Services, LLC | New Mexico | |
| NGL Water Pipelines, LLC | Texas | |
| NGL Water Solutions DJ, LLC | Colorado | |
| NGL Water Solutions Eagle Ford, LLC | Delaware | |
| NGL Water Solutions, LLC | Colorado | |
| NGL Water Solutions Orla-SWD, LLC | Delaware | |
| NGL Water Solutions Permian, LLC | Colorado | |
| Pine Tree Propane, LLC (8) | Maine | |
| Red Rock Midstream, LLC | Delaware | |
| Sand Lake Midstream, LLC | Delaware | |
| Sawtooth Caverns, LLC (9) | Delaware | |
(1) NGL Energy Partners LP owns a 50% member interest in Accelerated Water Resources, LLC.
(2) NGL Energy Partners LP owns a 50% member interest in B&D Water, LLC.
(3) NGL Energy Partners LP owns a 90% member interest in HEP Hidden Bench Holdco, LLC.
(4) NGL Energy Partners LP owns a 75% member interest in Indigo Injection #3-1, LLC.
(5) NGL Energy Partners LP owns a 50% member interest in KAIR2014, LLC.
(6) NGL Energy Partners LP owns an approximate 51% member interest in NGL Energy Services, LLC.
(7) NGL Energy Partners LP owns an approximate 71.5% member interest in NGL Supply Terminal Solution Mining, LLC.
(8) NGL Energy Partners LP owns a 50% member interest in Pine Tree Propane, LLC.
(9) NGL Energy Partners LP owns an approximate 71.5% member interest in Sawtooth Caverns, LLC.