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                                  UNITED STATES
                       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): March 10, 2005

                               XANSER CORPORATION

               (Exact name of registrant as specified in charter)


       Delaware                        001-05083                 74-1191271
(State of Incorporation)          (Commission File No.)       (I.R.S. Employer
                                                             Identification No.)



                          2435 North Central Expressway
                             Richardson, Texas 75080
               (Address of Principal Executive Offices) (Zip Code)


       Registrant's telephone number, including area code: (972) 699-4000


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Item 7. Financial Statements and Exhibits.

     99.1 Press Release dated March 10, 2005,  reporting  financial  results for
          the three months and year ended December 31, 2004.


Item 12. Results of Operations and Financial Condition and Exhibit

     A press release  issued by Xanser  Corporation  on March 10, 2005 regarding
financial  results  for the three  months and year ended  December  31,  2004 is
attached hereto as Exhibit 99.1, and excluding the final paragraph  thereof,  is
incorporated  herein by reference.  This information is not deemed to be "filed"
for the purposes of Section 18 of the Securities Exchange Act of 1934 and is not
incorporated by reference into any Securities Act registration statements.



                                   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.

                                    XANSER CORPORATION



Dated March 10, 2005                   //s//  HOWARD C. WADSWORTH
                                    --------------------------------------------
                                    Howard C. Wadsworth
                                    Vice President, Treasurer and Secretary