Total of 1,634,618 companies
On 31 March 1980 about 22 companies were established in Washington.
601942067
600360895
601866154
600365328
600581893
601453411
600360129
600363686
600365155
600608505
600350690
600391948
601131546
601868803
600365512
601420723
600370677
601870547
600467470
600356880
600401748
600360768