Exhibit  21.1

Subsidiaries

of

Layne Christensen Company

Name of Subsidiary	Jurisdiction of Incorporation	Percentage of Voting Stock owned by Company u
Bencor Corporation of America-Foundation Specialist	Delaware		100	%
Bencor Technique Management, Inc.	Texas		50	%
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	%
Costa Fortuna Del Uruguay	Uruguay		100	%
Costa Fortuna Fundacoes Econstrucoes Ltda.	Brazil		100	%
Diberil S.A.	Uruguay		100	%
Discretionary Trust	Zimbabwe		100	%
ESEMES (Mauritius) Ltd.	Mauritius		100	%
Fenix Supply, LLC	Delaware		100	%
Fursol Informatica S.r.l.	Italy		100	%
G&K Properties Pty Ltd	Australia		100	%
Holub Sociedad Anonima	Uruguay		100	%
Inliner American, Inc.	Delaware		100	%
Inliner Technologies, LLC	Indiana		100	%
International Directional Services, L.L.C.	Delaware		100	%
International Directional Services de Mexico S.A. de C.V.	Mexico		100	%
International Directional Services of Canada, Ltd.	Ontario		100	%
International Mining Services Pty Ltd	Western Australia		100	%
International Water Consultants, Inc.	Ohio		100	%
Inversiones Christensen SpA	Chile		100	%
Inversiones Layne Chile Cinco Ltda.	Chile		100	%
Inversiones Layne Chile Cuatro Ltda.	Chile		100	%
Inversiones Layne Chile Dos Ltda.	Chile		100	%
Inversiones Layne Chile Tres Ltda.	Chile		100	%
Inversiones Layne Chile Uno Ltda.	Chile		100	%

♦           directly or indirectly through its subsidiaries, nominees or trustees

Page 2

Subsidiaries of Layne Christensen Company  (Continued)

Name of Subsidiary	Jurisdiction of Incorporation	Percentage of Voting Stock owned by Company u
Inversiones Layne Energy Limitada	Chile		100	%
Inversiones Layne SpA	Chile		100	%
Layne-Bowen, LLC	Delaware		51	%
Layne Christensen Australia Pty Limited	Australia		100	%
Layne Christensen Canada Limited	Alberta		100	%
Layne de Bolivia S.R.L.	Bolivia		100	%
Layne de Mexico S.A. de C.V.	Mexico		100	%
Layne do Brasil Sondagens Ltda.	Brazil		100	%
Layne Drilling Burkina Faso S.A.R.L.	Burkina		100	%
Layne Drilling Guinea SARL	Guinea		100	%
Layne Drilling Mali SARL	Mali		100	%
Layne Drilling Mauritania Sarl	Mauritania		100	%
Layne Drilling Pty Ltd	Australia		100	%
Layne Drilling (RDC) SPRL	Democratic Republic of Congo		100	%
Layne Drilling Tanzania Limited	Tanzania		100	%
Layne Drilling Zambia	Zambia		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 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	%
Layne Energy Sycamore Pipeline, LLC	Delaware		100	%
Layne GeoBrasil Equipamentos de Fundações Ltda.	Brazil		100	%
Layne Heavy Civil, Inc.	Indiana		100	%

♦           directly or indirectly through its subsidiaries, nominees or trustees

Page 3

Subsidiaries of Layne Christensen Company  (Continued)

Name of Subsidiary	Jurisdiction of Incorporation	Percentage of Voting Stock owned by Company u
Layne Inliner, LLC	Indiana		100	%
Layne International, LLC	Delaware		100	%
Layne New Zealand, Inc.	New Zealand		100	%
Layne Puerto Rico, Inc.	Puerto Rico		100	%
Layne Southwest, Inc.	New Mexico		100	%
Layne Texas, Incorporated	Delaware		100	%
Layne Transport Co.	Indiana		100	%
Layne Water Development and Storage, L.L.C.	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	%
Pan Asia-Layne Joint Venture	South Korea		51	%
PT Layne Christensen Indonesia	Indonesia		100	%
Reynolds Water Islamorada, LLC	Delaware		100	%
Reynolds-Rogers, LLC	Delaware		51	%
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.	Botswana		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	%
W.L. Hailey & Company, Inc.	Tennessee		100	%
West Africa Holdings Pty Ltd	Australia		100	%
West African Drilling Services Pty Ltd	Australia		100	%

♦           directly or indirectly through its subsidiaries, nominees or trustees

Page 4

Subsidiaries of Layne Christensen Company  (Continued)

Name of Subsidiary	Jurisdiction of Incorporation	Percentage of Voting Stock owned by Company u
West African Drilling Services (No. 2) Pty Ltd	Australia		100	%
West African Drilling Services SARL	Ghana		100	%
Windsor Resources, LLC	Delaware		100	%
Windsor Resources Pipeline, LLC	Delaware		100	%

♦           directly or indirectly through its subsidiaries, nominees or trustees