On 15 January 1981 about 55 companies were established in Belgium.
0421.144.702
0421.163.409
0421.166.773
0421.168.852
0421.189.143
0421.195.081
0421.212.701
0421.215.471
0421.220.025
0421.256.944
0421.279.215
0421.332.366
0421.345.333
0421.353.944
0421.359.090
0421.360.377
0421.391.358
0421.410.263
0421.416.795
0421.445.303
0421.529.435
0421.549.231
0421.787.573
0421.809.547
0422.680.072
0534.878.784
0556.746.742
0566.672.020
0568.243.321