On 21 May 1980 about 27 companies were established in Belgium.
0420.423.041
0420.430.662
0420.440.659
0420.482.132
0420.490.545
0420.546.864
0420.591.208
0420.593.879
0420.615.358
0420.616.744
0420.692.166
0420.935.458
0420.952.383
0510.857.230
0611.588.067
0675.061.404
0782.198.991
0821.091.142
0854.172.595
0862.910.911
0868.697.950
0420.399.483
0420.622.979