Marche: Amprobe, APM Technologies, BK Precision, Chauvin-Arnoux, Clare, Ditect, Graphtec, EA, Fluke, Gauss Instruments, GL Optic, HBS Electronic, Kikusui, LP Technologies, Pacific Power Source, PC-Engineering, Quadtech, Rotek, Sefram, Sonel, Tabor, ZES Zimmer
