1 EXHIBIT 22(l) 64 2 SUBSIDIARIES OF LAYNE CHRISTENSEN COMPANY ================================================================================ NAME OF SUBSIDIARY JURISDICTION OF INCORPORATION ================================================================================ Boyles Bros. Drilling Company Utah - -------------------------------------------------------------------------------- Christensen Boyles Corporation Delaware - -------------------------------------------------------------------------------- Christensen Boyles International Cayman Islands - -------------------------------------------------------------------------------- Christensen Mining Products Export Company, Ltd. Barbados - -------------------------------------------------------------------------------- Christensen Products (Thailand) Co., Ltd. Thailand - -------------------------------------------------------------------------------- Elgin Exploration Company, Ltd. Calgary, Alberta, Canada - -------------------------------------------------------------------------------- Glindemann & Kitching Pty Ltd Australia - -------------------------------------------------------------------------------- HydroResources Co., Ltd. Thailand - -------------------------------------------------------------------------------- International Mining Services Pty Ltd Australia - -------------------------------------------------------------------------------- Layne Arkansas Company Arkansas - -------------------------------------------------------------------------------- Layne Atlantic Company, Inc. Indiana - -------------------------------------------------------------------------------- Layne de Bolivia S.R.L. Cochabamba, Bolivia - -------------------------------------------------------------------------------- Layne de Mexico, S.A. de C.V. Hermosillo, Sonora, Mexico - -------------------------------------------------------------------------------- Layne Central Company Tennessee - -------------------------------------------------------------------------------- Layne Christensen Australia Pty Limited Australia - -------------------------------------------------------------------------------- Layne GeoSciences, Inc. Delaware - -------------------------------------------------------------------------------- Layne Louisiana Company Louisiana - -------------------------------------------------------------------------------- Layne Northern Company, Inc. Indiana - -------------------------------------------------------------------------------- Layne-Northwest Company, Inc. Wisconsin - -------------------------------------------------------------------------------- Layne Ohio Company West Virginia - -------------------------------------------------------------------------------- Layne Texas, Incorporated Delaware - -------------------------------------------------------------------------------- Layne (Thailand) Limited Bangkok, Thailand - -------------------------------------------------------------------------------- Mid-Continent Drilling Company Delaware - -------------------------------------------------------------------------------- PT Layne Christensen Indonesia Indonesia - -------------------------------------------------------------------------------- SMS Offshore Pty Ltd Australia - -------------------------------------------------------------------------------- Stamm-Scheele Incorporated Louisiana - -------------------------------------------------------------------------------- Stanley Exploration Mining Company Ltd Ghana - -------------------------------------------------------------------------------- Stanley Mining Services Pty Limited Australia - -------------------------------------------------------------------------------- Stanley Mining Services (Tanzania) Ltd Tanzania - -------------------------------------------------------------------------------- Stanmines Ghana Ltd Ghana - -------------------------------------------------------------------------------- Stanmines NL Australia - -------------------------------------------------------------------------------- 65