On 14 March 1973 about 20 companies were established in Belgium.
0413.032.928
0413.034.809
0413.057.672
0413.060.741
0413.062.325
0413.073.708
0413.075.686
0413.077.369
0413.083.705
0413.087.564
0413.094.195
0413.105.776
0413.105.875
0413.139.925
0413.194.066
0414.971.146
0416.910.948
0706.450.208
0413.075.587
0413.328.975