<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENT OF EARNINGS FOR THE 1995 FISCAL YEAR'S THIRD QUARTER
ENDED MAY 31, 1995, AND THE CONSOLIDATED BALANCE SHEET AT MAY 31, 1995, FOR
ONEOK INC. AND SUBSIDIARIES AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          AUG-31-1995
<PERIOD-START>                             MAR-01-1995
<PERIOD-END>                               MAY-31-1995
<CASH>                                          25,575
<SECURITIES>                                         0
<RECEIVABLES>                                   90,174
<ALLOWANCES>                                         0
<INVENTORY>                                     82,750
<CURRENT-ASSETS>                               206,697
<PP&E>                                       1,265,427
<DEPRECIATION>                                 504,941
<TOTAL-ASSETS>                               1,189,383
<CURRENT-LIABILITIES>                          183,263
<BONDS>                                              0
<COMMON>                                       201,404
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      9,000
<OTHER-SE>                                     197,208
<TOTAL-LIABILITY-AND-EQUITY>                 1,189,383
<SALES>                                              0
<TOTAL-REVENUES>                               304,498
<CGS>                                                0
<TOTAL-COSTS>                                  281,244
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,403
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                     4,811
<INCOME-CONTINUING>                              9,040
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,040
<EPS-PRIMARY>                                      .33
<EPS-DILUTED>                                      .33