List of PLC manufacturers

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List of programmable logic controller (PLC) manufacturers (Not to be confused with power-line communication):

• ABB, a Swiss multinational company have been providing a wide variety of Power Line Carrier equipment for many years. Current equipment such as such as ETL600.
• Alstom, a French multinational company (Since 2015, part of General Electric).
• B&R Industrial Automation, Austrian PLC manufacturer / Global center for machine and factory automation within the ABB Group.
• Bosch Rexroth, a German company for drive and control technologies, including industrial controls.
• Delta, A Taiwan-based company.
• Devolo, a German company specializing in the development of communications devices for private consumers and industrial applications.
• Eaton Corporation, American multinational corporation.
• Echelon, an American company which designs control networks.
• Festo, a German company specializing in pneumatic products
• General Electric, an American company.
• IDEC Corporation, a Japan-based automation and control products manufacturer.
• Ilevo, Schneider Electric subsidiary.
• Insteon, a home automation technology
• Keyence Corporation, a Japanese company that developed automation products.
• Koyo Electronics Corporation Limited, a Japanese company that manufactured DirectLogic PLC brand.
• LSIS, a South Korean company in the power distribution and automation industry, renamed from LG Industrial Systems in 2005.
• Marvell Technology Group, a producer of storage, communications and consumer semiconductor products.
• Maxim Integrated Products, an American, publicly traded company that designs, manufactures, and sells analog and mixed-signal integrated circuits.
• Mitsubishi, a group of autonomous Japanese multinational companies.
• Motorola, a telecommunications company based in Schaumburg, Illinois.
• Omron, an electronics company based in Kyoto, Japan.
• Panasonic, a Japanese multinational electronics corporation manufacturing NAiS brand PLC.
• Phoenix Contact, a German company manufacturing automation and control products.
• Pilz, a German manufacturer, specialised in safety applications.
• Rockwell Automation, an American company who also took over the Allen-Bradley brand of PLCs.
• Schneider Electric, a French manufacturer.
• SiConnect, was a powerline communications technology business.
• Siemens, a German multinational conglomerate company.
• SPiDCOM, a French PLC chipset developer.
• Thomson SA, a French multinational corporation.
• Unitronics Launched the worlds first All-in-One controller, an integrated HMI+ PLC with on-board I/Os.
• WAGO Kontakttechnik, a German company that manufacture the electrical components.

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