On 24 March 1981 about 28 companies were established in Belgium.
0421.343.947
0421.365.921
0421.383.440
0421.400.563
0421.411.253
0421.415.609
0421.434.712
0421.466.582
0421.467.572
0421.484.202
0421.488.259
0421.488.952
0421.508.451
0421.515.577
0421.516.171
0421.516.765
0421.517.458
0421.787.870
0421.824.195
0421.915.257
0421.941.387
0506.523.904
0584.976.316
0857.445.059
0868.739.027