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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): May 9, 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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<PAGE>
Item 7. Financial Statements and Exhibits.

     99.1 Press Release dated May 9, 2005,  reporting  financial results for the
          three months ended March 31, 2005.


Item 12. Results of Operations and Financial Condition and Exhibit

     A press  release  issued by  Xanser  Corporation  on May 9, 2005  regarding
financial  results for the three months ended March 31, 2005 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 May 9, 2005                             //s//  HOWARD C. WADSWORTH
                                         ---------------------------------------
                                         Howard C. Wadsworth
                                         Vice President, Treasurer and Secretary
[{"type": "8-K", "sequence": "1", "filename": "xnr8k1q05results.txt", "description": "XANSER FORM 8-K PRESS RELEASE", "secsgml_size_bytes": 2523}]
{"company-data": {"conformed-name": "XANSER CORP", "cik": "0000054441", "assigned-sic": "1700", "irs-number": "741191271", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-05083", "film-number": "05811121"}, "business-address": {"street1": "2435 N. CENTRAL EXPRESSWAY", "street2": "SUITE 700", "city": "RICHARDSON", "state": "TX", "zip": "75080", "phone": "9726994000"}, "mail-address": {"street1": "P O BOX 650283", "city": "DALLAS", "state": "TX", "zip": "75265-0283"}, "former-company": [{"former-conformed-name": "KANEB SERVICES INC", "date-changed": "19920703"}, {"former-conformed-name": "KANEB PIPE LINE CO", "date-changed": "19710610"}]}
--------------------------------------------------------------------------------

                                  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): May 9, 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

--------------------------------------------------------------------------------
Item 7. Financial Statements and Exhibits.

     99.1 Press Release dated May 9, 2005,  reporting  financial results for the
          three months ended March 31, 2005.

Item 12. Results of Operations and Financial Condition and Exhibit

     A press  release  issued by  Xanser  Corporation  on May 9, 2005  regarding
financial  results for the three months ended March 31, 2005 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 May 9, 2005                             //s//  HOWARD C. WADSWORTH
                                         ---------------------------------------
                                         Howard C. Wadsworth
                                         Vice President, Treasurer and Secretary