Marca
- Keysight Technologies 45
- Keithley 34
- Phoenix Contact 33
- Aim-Tti Instruments 19
- Weller 15
- Fluke 14
- Omega 10
- Ea Elektro-Automatik 7
- Brady 6
- Glamox Luxo 6
- Elc 5
- Multicomp Pro 5
- Crown Audio 4
- Metcal 4
- Tektronix 3
- Gw Instek 2
- Rennsteig 2
- B&k Precision 1
- Desco Europe / Vermason 1
- Dymo 1
- Megger 1
- Panduit 1
- Rohde & Schwarz 1
- Steinel 1
- Wiha 1