<TABLE> <S> <C>

<ARTICLE>                     5
<CIK>                                          0000032258
<NAME>                                         The Titan Corporation
<MULTIPLIER>                                   1,000
<CURRENCY>                                     U.S DOLLARS
       
<S>                                  <C>                 <C>               <C>              <C>              <C>
<PERIOD-TYPE>                        YEAR                YEAR              3-MOS            6-MOS            9-MOS
<FISCAL-YEAR-END>                    DEC-31-1997         DEC-31-1996       DEC-31-1998      DEC-31-1998      DEC-31-1998
<PERIOD-START>                       JAN-01-1997         JAN-01-1996       JAN-01-1998      JAN-01-1998      JAN-01-1998
<PERIOD-END>                         DEC-31-1997         DEC-31-1996       MAR-31-1998      JUN-30-1998      SEP-30-1998
<EXCHANGE-RATE>                             1.000               1.000             1.000            1.000            1.000
<CASH>                                     11,383               5,719             1,892            4,779            4,761
<SECURITIES>                                4,499               9,888                 0                0                0
<RECEIVABLES>                              72,653              68,474            87,711           87,169           92,914
<ALLOWANCES>                                  718                 481                0<F1>            0<F1>            0<F1>
<INVENTORY>                                18,826              18,979             9,450            9,454            8,056
<CURRENT-ASSETS>                          122,332             118,931           112,826          114,496          118,758
<PP&E>                                     73,330              70,259            70,200           69,374           66,425
<DEPRECIATION>                             45,664              40,868            43,371           43,296           40,870
<TOTAL-ASSETS>                            183,703             193,288           188,852          186,747          190,777
<CURRENT-LIABILITIES>                      65,543              56,297            85,321           84,719           94,159
<BONDS>                                    37,565              40,521            37,067           32,351           31,268
<PREFERRED-MANDATORY>                           0                   0                 0                0                0
<PREFERRED>                                 3,695               3,695             3,695            1,195              695
<COMMON>                                      348                 339               349              362              365
<OTHER-SE>                                 64,404              81,245            45,840           53,284           49,658
<TOTAL-LIABILITY-AND-EQUITY>              183,703             193,288           188,852          186,747          190,777
<SALES>                                   275,673             245,752            64,567          139,980          218,615
<TOTAL-REVENUES>                          275,923             245,976            64,630          140,043          218,678
<CGS>                                     216,553             192,657            49,467          107,809          168,816
<TOTAL-COSTS>                             216,553             192,657            49,467          107,809          168,816
<OTHER-EXPENSES>                           50,797              41,249            11,819           22,288           35,514
<LOSS-PROVISION>                              297                 106                 0<F1>            0<F1>            0<F1>
<INTEREST-EXPENSE>                          6,643               4,764             1,796            3,610            5,399
<INCOME-PRETAX>                             2,802               7,945             1,699            6,525            9,211
<INCOME-TAX>                                4,184               2,603               745            2,598            3,336
<INCOME-CONTINUING>                        (1,382)              5,342               954            3,927            5,875
<DISCONTINUED>                            (17,930)             (6,326)              171              382           (5,617)
<EXTRAORDINARY>                                 0                   0                 0                0                0
<CHANGES>                                       0                   0           (19,474)         (19,474)         (19,474)
<NET-INCOME>                              (19,312)               (984)          (18,349)         (15,165)         (19,216)
<EPS-PRIMARY>                                (.61)               (.06)             (.55)            (.46)            (.57)
<EPS-DILUTED>                                (.61)               (.06)             (.53)            (.44)            (.55)
<FN>
<F1> Due to the use of condensed  finanical  statements  for interim  reporting,  this  information is not compiled on a
     quarterly basis.
</FN>
        


</TABLE>