Processing of nuclear fuel

Companies (7) Ranking sector Top ranking Follow-up
1 Synatom 1000 BRUSSEL Sector ranking 17 GEL Top ranking 638 Follow-up
2 Brancaleoni Diffusion 4140 SPRIMONT Sector ranking No ranking EXT Top ranking No ranking Follow-up
3 Utema 6041 GOSSELIES Sector ranking 187 AIM Top ranking 39,715 Follow-up
4 FBFC International 1210 BRUSSEL Sector ranking 815 MEV Top ranking 54,842 Follow-up
5 RAD4MED.BE 1160 BRUSSEL Sector ranking No ranking GEL Top ranking No ranking Follow-up
6 Cobefi 6533 BIERCEE Sector ranking 323 GEL Top ranking 82,681 Follow-up
7 Tommeleyn en Zonen 8920 LANGEMARK Sector ranking 405 GEL Top ranking 147,092 Follow-up

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