SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   ----------

                                    FORM 8-K
                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of earliest event reported): October 25, 2004

                         International Steel Group Inc.
               (Exact Name of Registrant as Specified in Charter)

          Delaware                       1-31926                71-0871875
(State or Other Jurisdiction           (Commission             (IRS Employer
      of Incorporation)                File Number)          Identification No.)

             4020 Kinross Lakes Parkway, Richfield, Ohio, 44286-9000
          (Address of Principal Executive offices, including Zip Code)

        Registrant's telephone number, including area code: 330-659-9100

                                      N.A.
          (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligations of the registrant under any of the
following provisions (see General Instruction A.2 below):

|_|   Written communications pursuant to Rule 425 under the Securities Act (17
      CFR 230.425)

|_|   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14-12)

|_|   Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240-14d-2(b))

|_|   Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CRF 240.13e-4(c))

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ITEM 9.01 Financial Statements and Exhibits

      (c)   Exhibits:

            The exhibit listed below is being furnished pursuant to Item 12,

      Exhibit
      Number                        Exhibit
      ------                        -------

      99.1        News release dated October 25, 2004

Item 2.02 Results of Operations and Financial Condition.

      On October 25, 2004, International Steel Group Inc. (the "Company") issued
a news release containing certain financial results of the Company for the
quarter ended September 30, 2004. A copy of the press release is attached hereto
as Exhibit 99.1. The press release shall not be deemed to be "filed" for
purposes of the Securities Exchange Act of 1934.


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                                   SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                         INTERNATIONAL STEEL GROUP INC.

                                         By: /s/ Lonnie A. Arnett
                                             -----------------------------------
                                             Name: Lonnie A. Arnett
                                             Title: Vice President, Controller
                                                    and Chief Accounting Officer

Dated: October 25, 2004


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                                INDEX TO EXHIBITS

Exhibit
Number      Description
------      -----------

99.1        News release, dated October 25, 2004


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