On 1 September 1971 about 181 companies were established in Belgium.
0503.335.770
0506.217.264
0506.339.307
0509.526.152
0515.223.319
0518.462.723
0523.410.416
0524.260.254
0525.262.225
0527.555.185
0527.556.670
0529.400.264
0529.704.825
0529.721.651
0530.634.540
0534.152.769
0537.114.140
0549.327.925
0573.504.580
0581.870.930
0581.872.217
0582.869.436
0587.649.853
0593.707.207
0594.947.718
0594.951.874
0597.233.849
0598.244.035
0600.317.558
0600.317.756