On 21 August 1981 about 25 companies were established in Belgium.
0421.761.344
0421.791.830
0421.796.283
0421.799.649
0421.801.233
0421.804.302
0421.805.290
0421.816.970
0421.817.861
0421.856.859
0421.879.526
0421.880.318
0421.885.365
0421.926.343
0421.929.313
0422.077.484
0422.145.186
0422.281.976
0599.550.565
0670.195.566
0709.891.233
0868.776.045
0421.805.389