On 27 April 1972 about 17 companies were established in Belgium.
0412.128.947
0412.129.046
0412.129.244
0412.129.838
0412.382.830
0412.386.392
0412.407.871
0412.411.435
0412.418.462
0412.418.561
0412.427.370
0412.427.469
0412.436.377
0413.011.350
0852.991.274
0412.400.646