Total of 4,083,545 companies
On 28 March 1951 about 38 companies were established in Pennsylvania.
2460
34029
89946
119629
210180
221059
303080
378986
380197
378354
1540911
2221826
2237193
2238560
2241967
2288267
2293690
2303469
2312314
2343082
2371819
2393959
2401654
2426369
2446545
2447649
2458368
2482806
2501369
2517849