<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE DYCOM
INDUSTRIES, INC CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS FOR ALL
PERIODS PRESENTED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                                                                       
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          JUL-31-1997             JUL-31-1997             JUL-31-1997
<PERIOD-START>                             JUL-31-1997             JUL-31-1997             JUL-31-1997
<PERIOD-END>                               OCT-31-1996             JAN-31-1997             APR-30-1997
<EXCHANGE-RATE>                                      1                       1                       1
<CASH>                                       2,963,568                 697,933               2,950,607
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                               32,985,981              38,089,023              45,570,272
<ALLOWANCES>                                   825,616                 821,971               1,191,347
<INVENTORY>                                 10,639,392               9,954,697              12,466,643
<CURRENT-ASSETS>                            49,953,291              52,832,908              64,911,853
<PP&E>                                      78,317,592              82,546,998              82,815,494
<DEPRECIATION>                              44,113,753              46,319,382              46,533,188
<TOTAL-ASSETS>                              90,415,841              95,516,216             107,379,933
<CURRENT-LIABILITIES>                       34,127,441              38,760,043              47,890,682
<BONDS>                                     24,923,211              25,436,748              30,591,571
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                     4,176,036               4,180,409               4,208,275
<OTHER-SE>                                  26,805,416              29,069,441              32,501,830
<TOTAL-LIABILITY-AND-EQUITY>                90,415,841              95,516,216             107,379,933
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                            72,156,092             143,593,120             224,080,990
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                               57,652,066             115,694,471             179,110,073
<OTHER-EXPENSES>                             2,798,735               5,613,084               8,530,528
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                             509,670               1,101,559               1,817,771
<INCOME-PRETAX>                              5,122,280               9,091,374              15,164,924
<INCOME-TAX>                                 1,709,721               3,119,081               5,001,056
<INCOME-CONTINUING>                          3,412,559               5,972,293              10,163,838
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                 3,412,559               5,972,293              10,163,838
<EPS-PRIMARY>                                     0.27                    0.48                    0.81
<EPS-DILUTED>                                     0.27                    0.47                    0.80