On 20 March 1981 about 27 companies were established in Belgium.
0421.365.426
0421.405.414
0421.424.220
0421.438.076
0421.453.023
0421.456.486
0421.456.783
0421.465.295
0421.477.074
0421.510.431
0421.514.785
0421.516.468
0421.554.872
0421.698.392
0421.776.190
0421.778.962
0421.780.447
0421.785.791
0422.022.551
0422.084.216
0422.084.711
0593.819.251
0854.254.947
0857.432.092
0868.745.163