Extraction of gravel

Companies (8) Ranking sector Top ranking Follow-up
1 Eurogri 3640 OPHOVEN Sector ranking 41 MAT Top ranking 4,162 Follow-up
2 Varenberg Kiezelgroeve 1933 STERREBEEK Sector ranking 37 EXT Top ranking 21,828 Follow-up
3 Setim 6717 ATTERT Sector ranking 43 EXT Top ranking 26,490 Follow-up
4 STEENGOED PRODUCTIE 3650 ROTEM Sector ranking 17 EXT Top ranking 8,954 Follow-up
5 Dipa 3640 OPHOVEN Sector ranking 125 EXT Top ranking 307,093 Follow-up
6 WINNR 3650 ROTEM Sector ranking 138 EXT Top ranking 385,974 Follow-up
7 Merenne Fils Carrière 5370 HAVELANGE Sector ranking 1,850 GCV Top ranking 165,281 Follow-up
8 ABD Groep 9300 AALST Sector ranking No ranking DIV Top ranking No ranking Follow-up

(*) This company is not ranked by turnover.
How are companies ranked?