On 21 April 1980 about 23 companies were established in Belgium.
0420.298.327
0420.324.358
0420.324.457
0420.330.593
0420.360.881
0420.365.237
0420.371.670
0420.385.132
0420.424.031
0420.436.008
0420.442.441
0420.495.295
0420.610.014
0420.713.150
0420.868.350
0420.906.655
0420.949.217
0701.142.427
0734.048.191
0735.055.904
0857.371.221
0420.368.702