Márkák
AKZO-NOBEL, ALLTECH, ASTEC, BECKMAN, BISCHOFF, PRONTOSIL, BROWNLEE, EXIL, GL SIENCES INTERSIL, GRACE VYDAC, HAMILTON, JORDI GPC, MACHEREY-NAGEL NUCLEOSIL, PROMOCHEM, SCHODEX, ZIRCHORM, WHATMAN PARTISIL, ULTRA SCIENTIFIC, WATERS SPHERISORB, THERMO HYPERSIL, KEYSTONE, JT BAKER, RHEODYNE