Exhibit 21
TETRA Technologies, Inc.
List of Subsidiaries or Other Related Entities
December 31, 2017
Name | Jurisdiction |
Compressco, Inc. | Delaware |
Compressco Testing, L.L.C. | Oklahoma |
Compressco Field Services, LLC | Oklahoma |
CSI Compressco GP Inc. | Delaware |
CSI Compressco Investment LLC | Delaware |
CSI Compressco LP | Delaware |
CSI Compressco Sub Inc. | Delaware |
CSI Compressco Finance Inc. | Delaware |
CSI Compression Holdings, LLC | Delaware |
Compressor Systems de Mexico, S. de R.L. de C.V. | Mexico |
Rotary Compressor Systems, Inc. | Delaware |
CSI Compressco Operating LLC | Delaware |
CSI Compressco Field Services International LLC | Delaware |
Compressco de Argentina SRL | Argentina |
CSI Compressco International LLC | Delaware |
CSI Compressco Holdings LLC | Delaware |
CSI Compressco Leasing LLC | Delaware |
Compressco Netherlands Cooperatief U.A. | Netherlands |
Compressco Netherlands B.V. | Netherlands |
Compressco Canada, Inc. | Canada |
CSI Compressco Mexico Investment I LLC | Delaware |
CSI Compressco Mexico Investment II LLC | Delaware |
Providence Natural Gas, LLC | Oklahoma |
Production Enhancement Mexico, S. de R.L. de C.V. | Mexico |
TETRA Applied Holding Company | Delaware |
TETRA Applied Technologies, LLC | Delaware |
Epic Diving & Marine Services, LLC | Delaware |
Maritech Resources, LLC | Delaware |
T-Production Testing, LLC | Texas |
TETRA Production Testing Services, LLC | Delaware |
TETRA Financial Services, Inc. | Delaware |
TETRA-Hamilton Frac Water Services, LLC | Oklahoma |
TETRA International Incorporated | Delaware |
TETRA Middle East for Oil & Gas Services LLC | Saudi Arabia |
TETRA de Argentina SRL | Argentina |
TETRA de Mexico, S.A. de C.V. | Mexico |
TETRA Foreign Investments, LLC | Delaware |
TETRA International Holdings, B.V. | Netherlands |
T-International Holdings C.V. | Netherlands |
TETRA Netherlands, B.V. | Netherlands |
TETRA Oilfield Services Ghana Limited | Ghana |
TETRA Chemicals Europe AB | Sweden |
TETRA Chemicals Europe OY | Finland |
TETRA Egypt (LLC) | Egypt |
TETRA Equipment (Labuan) Ltd. | Malaysia |
TNBV Oilfield Services Ltd. | British Virgin Islands |
Well TETRA for Well Services LLC | Iraq |
TETRA Investments Company U.K. Limited | United Kingdom |
Optima Solutions Holdings Limited | United Kingdom |
Optima Solutions U.K. Limited | United Kingdom |
TETRA Technologies de Mexico, S.A. de C.V. | Mexico |
TETRA Technologies de Venezuela, S.A. | Venezuela |
TETRA Technologies do Brasil, Limitada | Brazil |
TETRA Technologies U.K. Limited | United Kingdom |
TETRA Technologies Nigeria Limited | Nigeria |
TETRA International Employment Ltd. Co. | Cayman Islands |
Tetra-Medit Oil Services | Libya |
TETRA Madeira, Unipessoal Lda | Portugal |
TETRA (Thailand) Limited | Thailand |
TETRA Yemen for Oilfield Services Co., Ltd. | Yemen |
Greywolf Energy Services Ltd. | Canada |
TETRA Process Services, L.C. | Texas |
TSB Offshore, Inc. | Delaware |
TETRA Micronutrients, Inc. | Texas |