Total of 4,083,545 companies
On 31 December 1923 about 33 companies were established in Pennsylvania.
191326
315499
349657
389758
1584639
2016277
2131540
2156860
2176305
2237250
2248949
2250167
2264080
2360773
2405087
2435522
2465143
2496564
2527800
4556485
4912934
4960000
5451053
5889278
5893602
5900552
5919030
5968447
6052811
6141089