On 1 January 1957 about 172 companies were established in Belgium.
0214.176.691
0326.480.719
0326.480.818
0400.103.125
0400.374.527
0400.447.078
0400.480.435
0400.486.373
0400.500.132
0400.626.331
0400.682.947
0400.784.204
0400.933.266
0401.108.460
0401.162.504
0401.172.697
0401.388.869
0401.474.288
0401.508.635
0401.537.636
0401.569.013
0401.593.559
0401.599.301
0401.623.352
0401.664.429
0401.709.365
0401.751.333
0401.754.105
0401.779.938