Exhibit 21 (1)
 Subsidiaries  of  Layne Christensen Company
 Percentage
ofVoting StockJurisdiction
    
    owned byName of Subsidiary
    
    of Incorporation
    
    Company ̈Ausdrill Burkina SARL
    
    Burkina
    
    
    100
    %Boyles Bros. Drilling Company
    
    Utah
    
    
    100
    %Camken-Reynolds, LLC
    
    Delaware
    
    
    51
    %Cherryvale Pipeline, LLC
    
    Kansas
    
    
    100
    %Christensen Boyles Corporation
    
    Delaware
    
    
    100
    %Collector Wells International, Inc.
    
    Ohio
    
    
    100
    %Discretionary Trust
    
    Zimbabwe
    
    
    100
    %ESEMES (Mauritius) Limited
    
    Mauritius
    
    
    100
    %G&K Properties Pty Ltd
    
    Australia
    
    
    100
    %Inliner American, Inc.
    
    Delaware
    
    
    100
    %Inliner Technologies, LLC
    
    Indiana
    
    
    100
    %International Directional Services, L.L.C.
    
    Delaware
    
    
    100
    %International Directional Services of Canada, Ltd.
    
    Ontario, Canada
    
    
    100
    %International Mining Services Pty Ltd
    
    Western Australia
    
    
    100
    %International Water Consultants, Inc.
    
    Ohio
    
    
    100
    %Inversiones Layne Energy Limitada (a/k/a Layne Energy Limitada)
    
    Chile
    
    
    100
    %Layne Christensen Australia Pty Limited
    
    Australia
    
    
    100
    %Layne Christensen Canada Limited
    
    Calgary, Alberta, Canada
    
    
    100
    %Layne de Bolivia S.R.L.
    
    Bolivia
    
    
    100
    %Layne de Mexico, S.A. de C.V.
    
    Hermosillo, Sonora, Mexico
    
    
    100
    %Layne do Brasil Sondagens Ltda
    
    Brazil
    
    
    100
    %Layne Drilling Pty Ltd (f/k/a Glindemann & Kitching Pty Ltd)
    
    Australia
    
    
    100
    %Layne Drilling (RDC) SPRL
    
    Democratic Republic of Congo
    
    
    100
    %Layne Energia Chile S.A.
    
    Chile
    
    
    85
    %Layne Energy, Inc.
    
    Delaware
    
    
    100
    %Layne Energy Cherryvale, LLC
    
    Delaware
    
    
    100
    %Layne Energy Cherryvale Pipeline, LLC
    
    Delaware
    
    
    100
    %Layne Energy Dawson, LLC
    
    Delaware
    
    
    100
    %Layne Energy Dawson Pipeline, LLC
    
    Delaware
    
    
    100
    %Layne Energy Holding, LLC
    
    Delaware
    
    
    100
    %Layne Energy Operating, LLC
    
    Delaware
    
    
    100
    %Layne Energy Osage, LLC
    
    Delaware
    
    
    100
    %Layne Energy Pipeline, LLC
    
    Delaware
    
    
    100
    %Layne Energy Production, LLC
    
    Delaware
    
    
    100
    %Layne Energy Resources, Inc.
    
    Delaware
    
    
    100
    %Layne Energy Sycamore, LLC
    
    Delaware
    
    
    100
    %
 
  ̈
    
    directly or indirectly through its subsidiaries, nominees or trustees




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##### 



Page  2
 Percentage
ofVoting StockJurisdiction
    
    owned byName of Subsidiary
    
    of Incorporation
    
    Company ̈Layne Energy Sycamore Pipeline, LLC
    
    Delaware
    
    
    100
    %Layne Texas, Incorporated
    
    Delaware
    
    
    100
    %Layne Water Development and Storage, LLC
    
    Delaware
    
    
    100
    %Lenity Investments (Private) Limited
    
    Zimbabwe
    
    
    100
    %Liner Products, LLC
    
    Indiana
    
    
    100
    %Mag Con, Inc.
    
    Louisiana
    
    
    100
    %Meadors Construction Co., Inc.
    
    Florida
    
    
    100
    %Mid-Continent Drilling Company
    
    Delaware
    
    
    100
    %PT Layne Christensen Indonesia
    
    Indonesia
    
    
    100
    %Reynolds, Inc. (f/k/a Layne Merger Sub 2, Inc.).
    
    Indiana
    
    
    100
    %Reynolds Inliner, LLC
    
    Indiana
    
    
    100
    %Reynolds Transport Co.
    
    Indiana
    
    
    100
    %Reynolds-Rogers, LLC
    
    Delaware
    
    
    51
    %Reynolds-SABAS, LLC
    
    Delaware
    
    
    66.66
    %Shawnee Oil & Gas, L.L.C.
    
    Delaware
    
    
    100
    %SMS Holdings Pty Ltd
    
    Australia
    
    
    100
    %SMS Offshore Pty Ltd
    
    Western Australia
    
    
    100
    %Stamm-Scheele Incorporated
    
    Louisiana
    
    
    100
    %Stanley Mining Services Pty Limited
    
    Australia
    
    
    100
    %Stanley Mining Services (Botswana) (Pty) Ltd. (f/k/a Whitfield
(Proprietary) Limited)
    
    Botswana
    
    
    100
    %Stanley Mining Services (Tanzania) Limited
    
    Tanzania
    
    
    100
    %Stanley Mining Services (Uganda) Limited
    
    Uganda
    
    
    100
    %Stanley Mining Services Zimbabwe (Private) Limited
    
    Zimbabwe
    
    
    100
    %Tecniwell S.r.l.
    
    Italy
    
    
    100
    %Vibration Technology, Inc.
    
    Delaware
    
    
    100
    %West African Drilling Services (Burkina) SARL
    
    Burkina
    
    
    100
    %West African Drilling Services (Guinea) SARL
    
    Guinea
    
    
    100
    %West African Drilling Services (MALI) SARL
    
    Mali
    
    
    100
    %West African Drilling Services Pty Ltd
    
    Australia
    
    
    100
    %West African Drilling Services (No. 2) Pty Ltd
    
    Australia
    
    
    100
    %West African Holdings Pty Ltd
    
    Australia
    
    
    100
    %Windsor Resources, LLC
    
    Delaware
    
    
    100
    %Windsor Resources Pipeline, LLC
    
    Delaware
    
    
    100
    %
 
  ̈
    
    directly or indirectly through its subsidiaries, nominees or trustees