List of programmable logic controller manufacturers

Manufacturers of programmable logic controllers include:
*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.
*Beckhoff, German automation and PLC manufacturer
*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.
*WAGO Kontakttechnik, a German company that manufacture the electrical components.
 
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