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EXHIBIT 22(1)
SUBSIDIARIES OF
LAYNE CHRISTENSEN COMPANY
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NAME OF SUBSIDIARY
JURISDICTION
OF INCORPORATION
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Boyles Bros. Drilling Company Utah
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Christensen Boyles Corporation Delaware
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Christensen Boyles International Cayman Islands
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Christensen Mining Products Export Company, Ltd. Barbados
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Christensen Products (Thailand) Co., Ltd. Thailand
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Glindemann & Kitching Pty Ltd Australia
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Hydroresources Co., Ltd. Thailand
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International Directional Services, L.L.C. Delaware
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International Mining Services Pty Ltd Australia
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Layne Arkansas Company Arkansas
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Layne Atlantic Company, Inc. Indiana
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Layne de Mexico, S.A. de C.V. Hermosillo, Sonora, Mexico
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Layne Central Company Tennessee
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Layne Christensen Australia Pty Limited Australia
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Layne Christensen Canada Limited (f/k/a Elgin Exploration Company, Ltd.) Calgary, Alberta, Canada
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Layne Louisiana Company Louisiana
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Layne Northern Company, Inc. Indiana
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Layne-Northwest Company, Inc. Wisconsin
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Layne Ohio Company West Virginia
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Layne Texas, Incorporated Delaware
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Layne (Thailand) Limited Bangkok, Thailand
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Mid-Continent Drilling Company Delaware
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PT Layne Christensen Indonesia Indonesia
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SMS Offshore Pty Ltd Australia
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Shawnee Oil & Gas, L.L.C. Delaware
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Stamm-Scheele Incorporated Louisiana
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Stanley Exploration Mining Company Ltd Ghana
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Stanley Mining Services Pty Limited Australia
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Stanley Mining Services (Tanzania) Ltd Tanzania
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Stanmines Ghana Ltd Ghana
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Stanmines NL Australia
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Tecniwell S.r.l. Italy
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Toledo Oil & Gas Services, Inc. Louisiana
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Vibration Technology, L.L.C. Delaware
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WorldCover, Inc. Delaware
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