EXHIBIT 21(1)
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SUBSIDIARIES
OF
LAYNE CHRISTENSEN COMPANY
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PERCENTAGE OF
VOTING STOCK
JURISDICTION OWNED BY
NAME OF SUBSIDIARY OF INCORPORATION COMPANY*
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Boyles Bros. Drilling Company Utah 100%
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Christensen Boyles Corporation Delaware 100%
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Christensen Boyles Corporation of Canada Ltd. Alberta, Canada 100%
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Christensen Boyles International Cayman Islands 100%
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ESEMES (Mauritius) Limited Mauritius 100%
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Glindemann & Kitching Pty Ltd Australia 100%
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International Directional Services, L.L.C. Delaware 100%
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International Directional Services of Canada Ltd. Ontario, Canada 100%
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International Mining Services Pty Ltd Australia 100%
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Layne de Mexico, S.A. de C.V. Hermosillo, Sonora, Mexico 100%
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Layne Christensen Australia Pty Limited Australia 100%
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Layne Christensen Canada Limited Calgary, Alberta, Canada 100%
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Layne Texas, Incorporated Delaware 100%
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Layne Water Development and Storage, LLC Delaware 66.666%
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Mid-Continent Drilling Company Delaware 100%
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PT Layne Christensen Indonesia Indonesia 100%
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SMS Offshore Pty Ltd Australia 100%
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Shawnee Oil & Gas, L.L.C. Delaware 100%
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Stamm-Scheele Incorporated Louisiana 100%
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Stanley Exploration & Mining Company Limited Ghana 100%
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Stanley Mining Services Pty Limited Australia 100%
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Stanley Mining Services (Tanzania) Ltd Tanzania 100%
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Stanley Mining Services (Uganda) Ltd Uganda 100%
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Stanley Mining Services Zimbabwe (Private) Limited Zimbabwe 100%
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Stanmines Ghana Ltd Ghana 100%
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Tecniwell S.r.l. Italy 100%
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Toledo Oil & Gas Services, Inc. Louisiana 100%
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Vibration Technology, L.L.C. Delaware 100%
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* directly or indirectly through its subsidiaries, nominees or trustees