Total of 4,076,376 companies
On 17 January 1979 about 316 companies were established in Pennsylvania.
668425
670946
671650
674440
675621
675986
676939
677272
677273
677656
677854
678232
678295
678647
678685
678924
678941
678954
679905
679918
679919
680187
680251
680350
680502
680524
680826
681047
681058
681087