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EXHIBIT 21(1)
SUBSIDIARIES
OF
LAYNE CHRISTENSEN COMPANY
PERCENTAGE OF
VOTING STOCK
JURISDICTION OWNED BY
NAME OF SUBSIDIARY OF INCORPORATION COMPANY
- ------------------------------------------------------------- -------------------------- -------------
Ausdrill Burkina SARL Burkina 100%
Boyles Bros. Drilling Company Utah 100%
Christensen Boyles Corporation Delaware 100%
Christensen Boyles Corporation of Canada Ltd. Alberta, Canada 100%
ESEMES (Botswana) Pty Limited Botswana 100%
ESEMES (Mauritius) Limited Mauritius 100%
G&K Properties Pty Ltd Australia 100%
International Directional Services, L.L.C. Delaware 100%
International Directional Services of Canada Ltd. Ontario, Canada 100%
International Mining Services Pty Ltd Australia 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 Drilling Pty Ltd (f/k/a Glindemann & Kitching Pty Ltd) Australia 100%
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 Illinois, LLC Delaware 100%
Layne Energy Illinois Pipeline, LLC Delaware 100%
Layne Energy Marketing, 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 Texas, Incorporated Delaware 100%
- ---------------------
- - directly or indirectly through its subsidiaries, nominees or trustees
Layne Water Development and Storage, LLC Delaware 100%
Lenity Investments (Pvt) Ltd Zimbabwe 100%
Mid-Continent Drilling Company Delaware 100%
PT Layne Christensen Indonesia Indonesia 100%
SMS Holdings Pty Ltd Australia 100%
SMS Offshore Pty Ltd Australia 100%
Shawnee Oil & Gas, L.L.C. Delaware 100%
Stamm-Scheele Incorporated Louisiana 100%
Stanley Exploration & Mining Company Limited Ghana 100%
Stanley Mining Services Pty Limited Australia 100%
Stanley Mining Services (Tanzania) Ltd Tanzania 100%
Stanley Mining Services (Uganda) Ltd Uganda 100%
Stanley Mining Services Zimbabwe (Private) Limited Zimbabwe 100%
Stanmines Ghana Ltd Ghana 100%
Tecniwell S.r.l. Italy 100%
Toledo Oil & Gas Services, Inc. Louisiana 100%
Vibration Technology, L.L.C. Delaware 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%
- ---------------
- - directly or indirectly through its subsidiaries, nominees or trustees Page 2