There are many PLC manufacturers and their popularity seems to be different depending on which part of the world you live. In North America, Rockwell is a leading brand. In Europe, it is Siemens and in Asia – Mitsubishi. The above ranking from Statista is based on data from 2018, but we believe that market share did not change much over last years.
This is a list of top PLC manufacturers:
SIEMENS
Established: 1847
Headquarters: Germany
Siemens is a global powerhouse in technology and innovation.
A pivotal moment in Siemens’ journey into industrial automation came in the 1970s with the introduction of the SIMATIC series of programmable logic controllers (PLCs).
Rockwell Automation
Established: 1903
Headquarters: Milwaukee , USA
Rockwell Automation is an American provider of industrial automation and digital transformation technologies.
The first Allen Bradley PLC was launched in 1970 – 1774 PLC (dubbed the PLC-1). The PLC-1 was followed by the PLC-2, PLC-3, and then the PLC-5 product line – which still includes many devices in operation today
Mitsubishi Electric
Established: 1921
Headquarters: Tokyo, Japan
Mitsubishi Electric has been at the forefront of Japan’s technical ingenuity and product innovation.
In 80s Mitsubishi introduce small PLCs F/F1/F2 series and K/A series medium and large PLC
Mitsubishi Electric
Established: 1836
Headquarters: Rueil-Malmaison, France
Schneider Electric is multinational company that specializes in digital automation and energy management.
It owns Modicon, which was first ever Programmable Logic Controller called Modicon 084.
Current PLC models: Modicon M238, Modicon M258