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Siemens
Global leader in automation hardware and software; producer of SIMATIC S7 and related PLC
and
automation systems.
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Rockwell Automation (Allen-Bradley)
Major US PLC vendor known for the Allen-Bradley family including ControlLogix and
CompactLogix
platforms.
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Schneider Electric (Modicon)
French multinational offering Modicon PLCs and EcoStruxure automation solutions for
industrial
control.
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Mitsubishi Electric
Japanese manufacturer of MELSEC PLC series and factory automation equipment.
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Omron
Japanese automation company producing PLCs, motion controllers and control systems (SYSMAC
series).
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ABB
Global automation and power company providing PLCs, AC500 series, and industrial control
systems.
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B&R (now ABB)
Austrian automation company (now part of ABB) known for modular PLC and industrial control
systems.
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Emerson (Including legacy GE Automation / PACSystems)
Provider of PACSystems PLCs and automation solutions; includes legacy GE automation
product lines.
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Honeywell
Industrial automation and control systems vendor; offers controllers and DCS/PAC solutions
for
process industries.
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Yokogawa
Provider of process automation systems, DCS and PLC-class controllers for industrial
process
control.
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Beckhoff Automation
German PC-based control supplier using TwinCAT software to turn industrial PCs into PLC/NC
controllers.
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WAGO
German supplier of I/O and PLC systems, known for modular controllers and fieldbus
connectivity.
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Bosch Rexroth
Automation and drive specialist offering PLC and motion control systems for factory
automation.
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Pilz
Safety automation specialist offering safety PLCs and controllers for functional safety
applications.
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HIMA
German company specializing in safety PLCs and high-integrity automation systems for
critical
industries.
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CODESYS (3S)
Software company providing the CODESYS IEC-61131 runtime used by many PLC hardware vendors
worldwide.
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Yaskawa / Nidec (motion & control)
Japanese motion control and drive specialist; provides controllers and PLC-capable motion
systems
for automation.
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Keyence
Japanese automation company offering compact PLCs, controllers, sensors and vision systems
for
factory automation.
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Fuji Electric
Japanese supplier of industrial automation including PLCs, inverters and drive
controllers.
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Toshiba
Japanese electronics company with automation products and controllers for industrial
applications.
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Panasonic Industry
Manufacturer of controllers and PLCs (FP series) and a range of factory automation
components.
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Hitachi Industrial Equipment Systems
Provides industrial controllers and automation systems for manufacturing and
infrastructure
markets.
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Delta Electronics
Taiwan-based electronics and automation vendor offering PLCs, motion controllers and
drives for
industry.
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LS Electric (LSIS)
Korean automation supplier producing PLCs, drives and industrial control equipment (Glofa,
XGT
families).
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Inovance Technology
Chinese automation company offering PLCs, inverters and motion control products for
factory
automation.
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Advantech
Taiwanese provider of industrial computers and automation controllers, including
programmable
automation controllers (PACs).
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ICP DAS
Taiwan-based manufacturer of industrial control equipment including PLCs, DAQ, and I/O
modules.
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AutomationDirect
US-based distributor and manufacturer of affordable PLCs (CLICK, Productivity series) and
automation products.
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Unitronics
Israeli manufacturer of integrated PLC+HMI controllers designed for compact industrial
applications.
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Crouzet
French company offering compact PLCs and automation components for machine control and
OEMs.
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Fanuc
Primarily robotics and CNC specialist; provides PLC-capable controllers and integrated
automation
systems.
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KUKA
Robot and automation manufacturer offering controllers and cell-level PLC and robot
integration
tools.
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WEINTEK
Provider of HMIs and compact controllers often used in conjunction with PLCs in Asia and
OEM
markets.
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Pro-face (now part of Schneider / factory HMI & controllers)
HMI specialist with controller/HMI integrated solutions used in industrial automation.
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OpenPLC Project
Open-source PLC runtime and platform for hobbyists, education and prototyping programmable
controllers.