⭐ Tier-1 Brands (Same Level as Tektronix & Agilent – Top Global Test & Measurement Giants)

🇺🇸 United States

• Tektronix

• Agilent Technologies

• Keysight Technologies (Agilent spin-off)

• Fluke

• National Instruments (NI)

• Keithley (owned by Tektronix)

• Anritsu (Japan-based but highly active in US market)

🇩🇪🇪🇺 Germany / Europe

• Rohde & Schwarz (R&S)

• HAMEG (acquired by R&S)

• Vaisala (Finland)

• Hach

• Endress+Hauser (E+H)

⭐ Tier-2 Brands (Electrical Measurement + Industrial Automation)

🟩 Industrial Automation Giants (PLC / Servo / HMI)

• Siemens

• Allen-Bradley / Rockwell Automation

• Schneider Electric

• Omron

• Mitsubishi Electric

• Yokogawa

• Bosch Rexroth

• Fanuc

• Keyence

• Honeywell

• GE Automation

• B&R Automation

• Beckhoff

• Lenze

• SEW Eurodrive

⭐ Tier-3 Brands (Instrumentation, Sensors, Analyzers)

🟦 Sensors & Instrumentation

• Sick

• IFM

• Pepperl+Fuchs

• Balluff

• Wago

• Phoenix Contact

• Danfoss

🟧 Laboratory / Analytical Instruments

• Shimadzu

• Thermo Fisher Scientific

• Waters

• Bruker

• PerkinElmer

• Metrohm

⭐ Tier-4 Test & Communication Brands (RF, Network, Optical, EMC)

• EXFO

• VIAVI Solutions

• Tektronix / Keithley

• Keysight

• Rohde & Schwarz (R&S)