On 2 January 1981 about 48 companies were established in Belgium.
0421.128.864
0421.175.483
0421.180.730
0421.345.432
0421.363.644
0421.459.654
0421.460.149
0421.463.119
0421.535.076
0421.725.514
0421.776.487
0421.812.121
0422.229.023
0521.365.201
0524.366.954
0578.552.243
0579.884.113
0599.433.769
0601.682.090
0607.539.704
0628.183.975
0635.193.711
0639.249.103
0657.286.747
0687.085.246
0691.100.947
0691.101.541
0710.607.053