Marque
- Siemens 91
- RS PRO 53
- Eaton Bussmann Series 40
- Chauvin Arnoux 19
- Socomec 16
- Martindale 15
- Mersen 13
- Fluke 12
- Huber+Suhner 9
- Staubli 9
- Hirschmann Test & Measurement 7
- Phoenix Contact 6
- SIBA 6
- Tektronix 6
- Amprobe 5
- BK Precision 5
- Beha-Amprobe 5
- Mueller Electric 5
- Sefram 5
- Gossen Metrawatt 4
- Keysight Technologies 4
- Seaward 4
- Seeit 4
- Cooper Bussmann 3
- John Drummond 3
- Megger 3
- Pomona 3
- Rockwell Automation 3
- Schutzinger 3
- Testo 3
- ABB 2
- BETA 2
- Cliff Electronics 2
- Electro PJP 2
- Pico Technology 2
- Robin 2
- Socket & See 2
- Yamaichi 2
- Abbatron 1
- Bulgin 1
- Carroll & Meynell 1
- Catu 1
- Chemtronics 1
- Display Visions 1
- Entrelec 1
- Honeywell 1
- Hydrotechnik 1
- IMS 1
- Kewtech Corporation 1
- LEDVANCE 1
- Lapp 1
- MG Chemicals 1
- Metrix 1
- Miller 1
- Molex 1
- NXP 1
- Panduit 1
- Pycom 1
- Quectel 1
- Samtec 1
- Schneider Electric 1
- Seeed Studio 1
- Stauff 1
- TE Connectivity 1
- Teledyne LeCroy 1
- Usag 1