<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED IN ARNOLD INDUSTRIES, INC.'S FORM 10-K
FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1999, AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                            
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                      16,231,274
<SECURITIES>                                 2,104,634
<RECEIVABLES>                               51,078,651
<ALLOWANCES>                                 1,470,953
<INVENTORY>                                          0
<CURRENT-ASSETS>                            81,227,080
<PP&E>                                     401,801,207
<DEPRECIATION>                             157,027,805
<TOTAL-ASSETS>                             345,742,993
<CURRENT-LIABILITIES>                       55,125,292
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    29,942,628
<OTHER-SE>                                 218,239,010
<TOTAL-LIABILITY-AND-EQUITY>               345,742,993
<SALES>                                              0
<TOTAL-REVENUES>                           428,231,234
<CGS>                                                0
<TOTAL-COSTS>                              372,387,017
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                               454,747
<INTEREST-EXPENSE>                           1,352,834
<INCOME-PRETAX>                             54,843,868
<INCOME-TAX>                                20,189,493
<INCOME-CONTINUING>                         34,654,375
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                34,654,375
<EPS-BASIC>                                       1.40
<EPS-DILUTED>                                     1.39