Total of 1,634,618 companies
On 31 December 1979 about 19 companies were established in Washington.
600350509
601115228
601314421
600402613
600353698
600351448
600351173
600356776
601425912
601038838
601054326
601349643
600355439
409017783
601153201
600351086
600353555
600357454
600362537