Total of 4,083,545 companies
On 1 January 1921 about 2,026 companies were established in Pennsylvania.
1622
2793
3431
3667
4346
4384
4783
4852
4889
5615
5835
6245
6252
6293
6449
6817
6891
7205
7514
7801
7894
8254
8270
8641
8664
9356
9556
9852
10104
10132