Exhibit 21.1
Subsidiaries of Select Energy Services, Inc.
Entity |
| State of Formation | |||
Select Agua Libre Midstream, LLC | | Delaware | |||
Complete Energy Services, LLC | | Delaware | |||
SES Holdings, LLC |
| Delaware | |||
Select Energy Services, LLC |
| Delaware | |||
Peak Oilfield Services, LLC |
| Texas | |||
Rockwater Energy Solutions, LLC |
| Delaware | |||
SES Sub A, LLC | | Delaware | |||
SES Sub B, LLC | | Delaware | |||
SES Sub C, LLC | | Delaware | |||
Select Energy Solutions (RW), Inc. | | Delaware | |||
Navy Holdings, Inc. | | Delaware | |||
Navy Holdco, LLC | | Delaware | |||
New Heckmann Water Resources Corporation | | Delaware | |||
New Heckmann Water Resources (CVR), Inc. | | Delaware | |||
SES Intermediate Holdings, LLC | | Delaware | |||
Affirm Oilfield Services, LLC | | Texas | |||
Heckmann Water Resources, LLC | | Delaware | |||
Heckmann Water Resources (CVR), LLC | | Delaware | |||
NES Water Solutions, LLC | | Delaware | |||
Guard Drilling Mud Disposal, LLC | | Delaware | |||
China Water and Drinks, LLC | | Delaware | |||
Badlands Power Fuels, LLC | | Delaware | |||
Nuverra Ohio Disposal LLC | | Delaware | |||
1960 Well Services, LLC | | Ohio | |||
Badlands Power Fuels, LLC | | North Dakota | |||
Clearwater Three LLC | | Ohio | |||
Clearwater Five LLC | | Ohio | |||
Clearwater Solutions LLC | | Ohio | |||
HEK Water Solutions, LLC | | Delaware | |||
Nuverra Total Solutions, LLC | | Delaware | |||
Heckmann Woods Cross, LLC | | Utah | |||
Nuverra Rocky Mountain Pipeline, LLC | | Delaware | |||
Breakwater Energy Services, LLC | | Texas | |||
Breakwater Energy Partners, LLC | | Texas | |||
Breakwater Midstream, LLC | | Texas | |||
Big Spring Recycling System, LLC | | Delaware | |||
Landtech Enterprises, LLC | | North Dakota | |||
Badlands Leasing, LLC | | North Dakota | |||
Ideal Oilfield Disposal, LLC | | North Dakota | |||
Select Water Reuse, LLC | | Delaware | |||
Select Western Company of Texas, Inc. | | Texas | |||
International Western Company, Inc. | | North Dakota | |||
Benchmark Energy Products, LLC | | Texas | |||
Benchmark Distribution Services, LLC | | Texas | |||
Rockwater Energy Solutions Water Management, LLC | | Delaware | |||
Rockwater Northeast, LLC | | Delaware | |||
Rockwater West TX, LLC | | Delaware | |||
EnerMAX Services Holdings, LLC | | Delaware | |||
EnerMAX Services G.P. ULC | | Alberta | |||
EnerMAX Services Limited Partnership | | Alberta | |||
EnerMAX Services (U.S.) Inc. | | Delaware | |||
Rockwater Energy Solutions North Dakota, Inc. | | Delaware | |||
Rockwater Production Testing Ltd. | | Alberta | |||
Rockwater Energy Solutions Administrative Services, LLC | | Delaware | ||
Crescent Companies, LLC | | Delaware | ||
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