1 EXHIBIT 22 McDERMOTT INTERNATIONAL, INC. SIGNIFICANT SUBSIDIARIES OF THE REGISTRANT FISCAL YEAR ENDED MARCH 31, 1995 PERCENTAGE ORGANIZED OF VOTING UNDER THE SHARES NAME OF COMPANY LAWS OF OWNED McDermott International Investments Co., Inc. Panama 100 Creole Insurance Company, Inc. Bermuda 100 J. Ray McDermott, S.A. Panama 67 Hydro Marine Services, Inc. Panama 100 Varsy International N.V. Netherlands Antilles 100 McDermott (Holland) B.V. Netherlands 100 McDermott Holdings (U.K.) Limited United Kingdom 100 McDermott Far East, Inc. Panama 100 P.T. McDermott Indonesia Indonesia 100 Malmac Sdn. Bhd. Malaysia 100 J. Ray McDermott (Aust.) Holding Pty. Limited Australia 100 McDermott Industries (Aust.) Pty. Limited Australia 100 McDermott Incorporated Delaware 93 Hudson Engineering Corporation Delaware 100 Babcock & Wilcox Investment Company Delaware 100 Babcock & Wilcox - ST Company Delaware 100 The Babcock & Wilcox Company Delaware 100 Babcock & Wilcox Industries, Ltd. Canada 100 Americon, Inc. Delaware 100 Power Systems Operations, Inc. Delaware 100 The subsidiaries omitted from the foregoing list do not, considered in the aggregate, constitute significant subsidiary.