<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE DYCOM
INDUSTRIES, INC. CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS FOR
ALL PERIOD PRESENTED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDSATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                                                                       
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR
<FISCAL-YEAR-END>                          JUL-31-1996             JUL-31-1997             JUL-31-1998
<PERIOD-START>                             JUL-31-1996             JUL-31-1997             JUL-31-1998
<PERIOD-END>                               JUL-31-1996             JUL-31-1997             JUL-31-1998
<EXCHANGE-RATE>                                      1                       1                       1
<CASH>                                       3,060,069               5,276,112              35,927,307
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                               28,966,300              49,241,590              63,022,011
<ALLOWANCES>                                   620,543               1,029,093               2,210,978
<INVENTORY>                                  7,994,777              11,398,621              14,382,620
<CURRENT-ASSETS>                            43,279,586              70,336,712             118,193,282
<PP&E>                                      74,966,083              83,287,399              97,794,772
<DEPRECIATION>                              41,886,763              46,951,187              54,929,575
<TOTAL-ASSETS>                              82,482,876             112,511,881             166,318,091
<CURRENT-LIABILITIES>                       30,919,723              49,434,042              36,982,109
<BONDS>                                     24,507,093              31,307,802              18,135,772
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                     4,151,578               4,222,625               4,907,577
<OTHER-SE>                                  23,633,256              38,204,167              93,471,371
<TOTAL-LIABILITY-AND-EQUITY>                82,482,876             112,511,881             166,318,091
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                           245,937,063             311,238,108             368,713,563
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                              198,437,641             246,025,594             285,038,220
<OTHER-EXPENSES>                            10,433,989              11,814,577              13,496,694
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                           2,515,814               2,619,191               2,045,571
<INCOME-PRETAX>                             14,054,813              23,770,489              36,081,264
<INCOME-TAX>                                 4,132,486               7,956,851              13,045,644
<INCOME-CONTINUING>                          9,922,327              15,813,638              23,035,620
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                 9,922,327              15,813,638              23,035,620
<EPS-PRIMARY>                                     0.80                    1.26                    1.63
<EPS-DILUTED>                                     0.78                    1.24                    1.61