Base material:
ISOLA
Solder resist:
Lackwerke Peters, Coates
Chemical processes:
Atotech, MacDermid Enthone
Photo resist:
ElgaEurope
Drill tools:
HP Tec, Kemmer Präzision, Union Tools
Etching chemistry:
Bece Leiterplatten-Chemie
Via filling:
Taiyo
Solder:
Felder