EX-21 10 a20161231ex21.htm EXHIBIT 21 Exhibit


Exhibit 21
TETRA Technologies, Inc.
List of Subsidiaries or Other Related Entities
December 31, 2016

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
         Compressor Systems, Inc.
Delaware
            CSI Compression Holdings, LLC
Delaware
            Rotary Compressor Systems, Inc.
Delaware
            Compressor Systems de Mexico, S. de R.L. de C.V.
Mexico
            Compressor Systems Australia Pty Ltd
Australia
      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
TETRA Investments Company U.K. Limited
United Kingdom
Optima Solutions Holdings Limited
United Kingdom
Optima Solutions U.K. Limited
United Kingdom
Well TETRA for Well Services LLC
Iraq
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