Exhibit 8 - --------- List of Subsidiaries Company Jurisdiction - ------- ------------ Marsulex Inc. Canada Sulconam Inc. Canada Marsulex Environmental Technologies Corporation Delaware Sulex, Inc. California Marsol Canada Corporation Canada Marsulex Refinery Environmental Services, Inc. Delaware Soucar Enterprises, LLC Delaware Investis U.S., Inc. Delaware IT Holding, Inc. Delaware Marsulex Environmental Technologies, LLC Delaware Marsulex US Partnership Delaware Marsulex Nova Scotia, ULC Canada Marsulex US Holdings, LLC Delaware 3068071 Nova Scotia Corp. (formerly 3289265 Canada Inc.) Canada 4086554 Canada Inc. Canada