Processing of nuclear fuel

Companies (7) Ranking sector Top ranking Follow-up
1 Synatom 1000 BRUSSEL Sector ranking 17 GEL Top ranking 642 Follow-up
2 Brancaleoni Diffusion 4140 SPRIMONT Sector ranking No ranking EXT Top ranking No ranking Follow-up
3 Utema 6041 GOSSELIES Sector ranking 191 AIM Top ranking 39,891 Follow-up
4 FBFC International 1210 BRUSSEL Sector ranking 811 MEV Top ranking 55,059 Follow-up
5 RAD4MED.BE 1160 BRUSSEL Sector ranking No ranking GEL Top ranking No ranking Follow-up
6 Cobefi 6533 BIERCEE Sector ranking 324 GEL Top ranking 82,985 Follow-up
7 Tommeleyn en Zonen 8920 LANGEMARK Sector ranking 406 GEL Top ranking 147,570 Follow-up

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