Sunchrome – www.sunchrom.de
Permegear – www.permegear.com
Bioreba AG – www.bioreba.ch
Misonix – www.sonicator.com
Swiss-İnnotech – www.swiss-innotech.com
DFA-California – www.dfaofcalifornia.com
.
WTW – www.wtw.com
Precisa – www.precisa.com
Merck – www.merck-chemicals.com
Alfa Easer – www.alfa-chemcat.com
GFL – www.gfl.de
F. Gerber – www.funke-gerber.de