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                                                                    EXHIBIT 21.1
 
                               KIRBY CORPORATION
                    PRINCIPAL SUBSIDIARIES OF THE REGISTRANT
 


                                                                                    PLACE OF
                                                                                  INCORPORATION
                                                                                  ------------
                                                                                 
KIRBY CORPORATION -- PARENT AND REGISTRANT......................................    Nevada
SUBSIDIARIES OF THE PARENT AND REGISTRANT
  Dixie Carriers, Inc.(1).......................................................    Delaware
  General Energy Corporation(1).................................................    Delaware
  Kirby Exploration Company of Texas(1).........................................    Delaware
  Kirby Terminals, Inc.(1)......................................................    Texas
  Sabine Transportation Company(1)..............................................    Delaware
  Chotin Carriers, Inc.(1)......................................................    Delaware
  Kirby Pioneer, Inc.(1)........................................................    Delaware
  AFRAM Carriers, Inc.(1).......................................................    Delaware
  Rail Systems, Inc.(1).........................................................    Delaware
  Americas Marine Express, Inc.(1)..............................................    Delaware
  Universal Insurance Company(1)................................................    Puerto Rico
  Mariner Reinsurance Company Limited(1)........................................    Bermuda
  Oceanic Insurance Limited(3)..................................................    Bermuda
CONTROLLED CORPORATIONS
  Dixie Bulk Transport, Inc. (subsidiary of Dixie Carriers, Inc.)(1)............    Delaware
  Western Towing Company (subsidiary of Dixie Carriers, Inc.)(1)................    Texas
  Marine Systems, Inc. (subsidiary of Dixie Carriers, Inc.)(1)..................    Louisiana
  Bolivar Terminal Company, Inc. (subsidiary of Dixie Carriers, Inc.)(2)........    Texas
  Dixie Marine, Inc. (subsidiary of Dixie Carriers, Inc.)(1)....................    Delaware
  Brent Transportation Corporation (subsidiary of Dixie Carriers, Inc.)(1)......    Delaware
  Dixie Security Corporation (subsidiary of Dixie Carriers, Inc.)(1)............    Texas
  OMR Transportation Company (subsidiary of Dixie Carriers, Inc.)...............    Delaware
  TPT Transportation Company (subsidiary of Dixie Carriers, Inc.)(1)............    Delaware
  Richport Insurance Company (subsidiary of Universal Insurance Company)(1).....    Puerto Rico
  Richport Bermuda Company, Ltd.
     (subsidiary of Universal Insurance Company)(1).............................    Bermuda

 
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(1) Included in the consolidated financial statements.
 
(2) Financial statements are not filed since the company is not a "significant
subsidiary."
 
(3) Incorporated in 1994.