Exhibit 21.1
Subsidiaries of Select Water Solutions, Inc.
Entity | | State of Formation | |||
1960 Well Services, LLC | | Ohio | |||
Affirm Oilfield Services, LLC | | Texas | |||
Badlands Power Fuels, LLC | | Delaware | |||
Badlands Power Fuels, LLC | | North Dakota | |||
Big Spring Recycling System, LLC | | Delaware | |||
Blackjack Mineral Investments, LLC | | Texas | |||
Bobcat North Lima, LLC | | Ohio | |||
Breakwater Energy Partners, LLC | | Texas | |||
Breakwater Energy Services, LLC | | Texas | |||
Breakwater Midstream, LLC | | Texas | |||
Buckhorn Disposal ND, LLC | | Delaware | |||
Buckhorn Energy Oaks Disposal Services, LLC | | Delaware | |||
Clearwater Five, LLC | | Ohio | |||
Clearwater Solutions, LLC | | Ohio | |||
Clearwater Three, LLC | | Ohio | |||
Complete Energy Services, Inc. | | Delaware | |||
Crescent Companies, LLC | | Delaware | |||
Dishon Disposal, LLC | | North Dakota | |||
EnerMAX Services G.P. ULC | | Alberta | |||
EnerMAX Services Holdings, LLC | | Delaware | |||
EnerMAX Services Limited Partnership | | Alberta | |||
EnerMAX Services (U.S.) Inc. | | Delaware | |||
EWS #1 DJ Basin LLC | | Delaware | |||
EWS #8 DJ Basin LLC | | Delaware | |||
Guard Drilling Mud Disposal, LLC | | Delaware | |||
Heckmann Water Resources (CVR), Inc. | | Delaware | |||
Heckmann Water Resources (CVR), LLC | | Delaware | |||
Heckmann Water Resources, LLC | | Delaware | |||
Ideal Oilfield Disposal, LLC | | North Dakota | |||
Landtech Enterprises, L.L.C. | | North Dakota | |||
Mallard Midstream, LLC | | Delaware | |||
Navy Holdings, Inc. | | Delaware | |||
Navy Holdco, LLC | | Delaware | |||
New Heckmann Water Resources Corporation | | Delaware | |||
Nuverra Ohio Disposal LLC | | Delaware | |||
Nuverra Total Solutions, LLC | | Delaware | |||
Oaks’ Disposal Services, LLC | | Montana | |||
Peak Rentals, LLC |
| Texas | |||
Quail Run Services, LLC | | Texas | |||
Rockwater Energy Solutions North Dakota, Inc. | | Delaware | |||
Rockwater Energy Solutions Water Management, LLC | | Delaware | |||
Rockwater Production Testing Ltd. | | Alberta | |||
Rockwater West TX, LLC | | Delaware | |||
Select Agua Libre Midstream, LLC | | Delaware | |||
Select Chemistry, LLC |
| Delaware | |||
Select Energy Services, LLC | | Texas | |||
Select Energy Solutions (RW), Inc. | | Delaware | |||
Select Water Reuse, LLC | | Delaware | |||
Select Water Solutions, LLC |
| Delaware | |||
SES Holdings, LLC |
| Delaware | |||
SES Intermediate Holdings, LLC | | Delaware | |||
SES Sub A, LLC | | Delaware | |||
SES Sub B, LLC | | Delaware | |||
SES Sub C, LLC | | Delaware | |||
SWS ND, Inc. | | Delaware | |||
Trinity Acquisition, LLC | | Delaware | |||
Trinity Environmental Brokerage, L.L.C. | | Delaware | |||
Trinity Environmental Management, LLC | | Delaware | |||
Trinity Environmental Services I, L.L.C. | | Delaware | |||
Trinity Environmental SWD I, L.L.C. | | Delaware | |||