1 EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT OHM CORPORATION SUBSIDIARIES OF THE REGISTRANT MARCH 15, 1995 STATE OR OTHER NAME OF SUBSIDIARY JURISDICTION OF INCORPORATION ------------------ ----------------------------- OHM Remediation Services Corp. Ohio OHM Remediation Services of Canada, Ltd. Canada Environmental Financial Services Corp. Delaware Capital National Insurance Company Vermont OHM Environmental Resource Management Corp. Ohio OHM International, Inc. Delaware