On 1 January 1938 about 391 companies were established in Belgium.
0400.365.619
0401.140.926
0401.594.252
0401.595.539
0402.667.784
0402.906.425
0403.329.265
0403.343.420
0405.390.912
0405.450.991
0405.834.538
0405.894.718
0406.069.318
0406.069.417
0406.696.155
0406.730.502
0407.406.037
0407.945.277
0407.945.574
0407.985.364
0407.985.562
0407.985.661
0407.986.156