DAMES & MOORE GROUP EXHIBIT 21.1 LIST OF SUBSIDIARIES The following is a list of subsidiaries of Dames & Moore Group, except as indicated, each of the subsidiaries is wholly owned by the Company, unless otherwise noted. STATE OR OTHER JURISDICTION NAME OF INCORPORATION OR ORGANIZATION - ---- -------------------------------- Domestic Subsidiaries: Aman Environmental Construction, Inc. California Banshee Construction Company California Bovay Northwest, Inc. Washington BRW Group, Inc. Delaware BRW/Hazelet & Erdal of Ohio, Inc. (3) Ohio BRW/Hazelet & Erdal of Michigan, Inc. Michigan Cleveland Wrecking Company California Color Cave, Inc. California Contracting Resources International, Inc. Delaware DM Investors, Inc. Delaware D&M Testing, Inc. (United Inspection & Testing, Inc.) Delaware Dames & Moore America, L.P. (1) California Dames & Moore Foreign Branch Operations, Inc. Delaware Dames & Moore Group (NY), Inc. New York Dames & Moore Group, Ohio Ohio Dames & Moore, Inc. Delaware Dames & Moore Inspection & Testing, Inc. Delaware Dames & Moore Lebron, LLP Delaware Dames & Moore Servicing Company California Dames & Moore Ventures California DecisionQuest Inc. California DQ Squared, Inc. California Ecobalance, Inc. Delaware Fourth Dimension Interactive, Inc. Delaware O'Brien-Kreitzberg Inc. California Radian Acquisition Corporation Delaware Radian Ceramic Developments Corporation Texas Radian Engineering, Inc. New York Radian International LLC Delaware Radian International (Texas) Corporation Texas Radian International Oversees Management Company Delaware Rogers & Associates Engineering Corporation Utah SRA Life Sciences District of Columbia Seismic Risk Insurance Services, Inc. California Signet Testing Laboratories, Inc. Delaware Walk, Haydel & Associates, Inc. Louisiana Foreign Subsidiaries: AACM Central Europe Limited Hungary Bureau voor Milieumanagement BV The Netherlands Corporacion Radian S.A. de C.V. (6) Mexico DMG Consulting Ltd. United Kingdom DMG Consulting SRL Italy Dames & Moore Argentina S.A. (2) Argentina Dames & Moore B.V. The Netherlands Dames & Moore (BVI) Ltd British Virgin Islands Dames & Moore, Canada Canada DAMES & MOORE GROUP EXHIBIT 21.1 LIST OF SUBSIDIARIES (CONTINUED) STATE OR OTHER JURISDICTION NAME OF INCORPORATION OR ORGANIZATION - ---- -------------------------------- Foreign Subsidiaries (Continued) Dames & Moore Chile Ltda. Chile Dames & Moore De Mexico Mexico Dames & Moore Holding De Mexico Mexico Dames & Moore Foreign Sales Corporation, Ltd. Bermuda Dames & Moore GmbH & Co KG Germany Dames & Moore Iberia SA Spain Dames & Moore International SRL Italy Dames & Moore International SRL Venezuela Dames & Moore (Malaysia) Sdn Bhd Malaysia Dames & Moore Puerto Rico Puerto Rico Dames & Moore Pty. Ltd. Australia Dames & Moore Sarl France Dames & Moore Servicios De Mexico Mexico Dames & Moore Singapore Singapore Dames & Moore Thailand Thailand Dames & Moore United Kingdom United Kingdom Dames & Moore Zuid B.V. The Netherlands Ecoaudit S.A. France Ecobalance (UK) Limited United Kingdom Ecobilan S.A. France Ecobilan SRL Italy Food & Agriculture International Ltd. United Kingdom Forestry Technical Services PTY Limited Australia Fourth Dimension Interactive Canada, Inc. Canada HDML Pty Ltd. Australia Hollingsworth Dames & Moore (PNG) Pty Ltd Papua New Guinea International Agriculture Pty. LTD. Australia Norecol, Dames & Moore, Inc. Canada Northern Energetics Company Limited (5) United Kingdom O'Brien Kreitzberg Ltd. United Kingdom Organisation Et Surete Industrial (4) France Professional Insurance Limited Bermuda PT Dames & Moore Indonesia Indonesia Radian Environmental GmbH Germany Radian (HK) Limited Hong Kong Radian International Canada, Inc. Canada Radian International N.V. The Netherlands Radian International Pty. Ltd. Australia Radian International S.A. Argentina Radian S.E.A. Limited Thailand Reverse Engineering Limited (5) United Kingdom Reverse Engineering Norge A.S. (5) Norway Rhosman International Ltd. Cayman Islands DAMES & MOORE GROUP EXHIBIT 21.1 LIST OF SUBSIDIARIES (CONTINUED) STATE OR OTHER JURISDICTION NAME OF INCORPORATION OR ORGANIZATION - ---- -------------------------------- Foreign Subsidiaries (Continued) Saudi Arabian Dames & Moore Saudi Arabia Tecnologias Servicios Ambientales Tesan S.A. Chile Transition Subsidiary, Inc. Canada Walk Haydel Arabia Ltd. Saudi Arabia (1) Dames & Moore America: Dames & Moore Group 92% - General partner and Professional Insurance Limited 8% - Limited partner. (2) Dames & Moore, Inc. has a 70% interest in this Company. (3) BRW Group, Inc. has a 49% interest in this Company. (4) Dames & Moore has a 67% interest in this Company. (5) Dames & Moore, Inc. has a 74.12% interest in this Company. (6) Radian International LLC has an 80% interest in this Company.