Programmable Logic Controller Top Companies
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Global sales of programmable logic controllers (PLCs) are projected to hit USD 13.06 billion in 2024 and almost double to USD 24.16 billion by 2034, growing at a steady 7% CAGR over the forecast period.
This growth is fueled by continuous advancements in PLC technology—especially the integration of IoT and AI—which boost efficiency and enable predictive maintenance. At the same time, industries are demanding more customizable, scalable, and cost-effective automation solutions, further driving adoption.
Why PLCs are in demand
PLCs are known for their durability in harsh environments, ease of programming, and scalability. Their modular design makes it simple for businesses to expand systems as needs evolve.
They’re widely used across sectors such as manufacturing, automotive, oil & gas, food processing, and utilities, supporting tasks like assembly line automation, equipment control, and process monitoring. The result: improved efficiency, reduced downtime, and safer operations.
Modular PLCs take the lead
Among different types of PLCs, modular PLCs dominate the market. They are affordable, flexible, and capable of handling complex tasks. Companies can easily add or remove I/O modules, communication processors, and other components as needed, making them highly adaptable to changing industrial requirements.
Their key advantages include higher processing power, easier maintenance, and more customization options. They are particularly popular in industries such as automotive, energy, and manufacturing, where scalability and the ability to manage complex processes are critical. Features like redundancy, advanced communication protocols, and high-speed processing further strengthen their position in the market.
On-premise deployment remains strong
When it comes to deployment, on-premise PLC systems continue to lead. Industries that demand real-time control, reliability, and security—like manufacturing, oil & gas, and automotive—prefer these setups because they allow direct management with minimal risk of delays or disruptions.
Unlike cloud-based systems, on-premise PLCs run independently of external networks, reducing vulnerabilities from internet outages or data breaches.
Their main advantages include:
- Enhanced data security
- Consistent, predictable performance
- Full control over system configurations
Built for rugged environments, these systems ensure continuous operations for tasks such as production line automation, system monitoring, and real-time control—without relying on external infrastructure.
| Company Name | Employee Size (approx.) | Location (Headquarters) |
|---|---|---|
| Unitronics | 330 | Rosh Ha’Ayin, Israel |
| Delta Electronics, Inc. | 81,855+ | Taipei, Taiwan |
| Rockwell Automation | 27,000+ | Milwaukee, Wisconsin, USA |
| OMRON Corporation | 28,450+ | Kyoto, Japan |
| Infineon Technologies AG | 59,000+ | Neubiberg, Germany |
| Schneider Electric | 150,000+ | Rueil-Malmaison, France |
| Eaton | 94,000+ | Dublin, Ireland |
| ABB | 110,000+ | Zurich, Switzerland |
| STMicroelectronics | 49,602+ | Geneva, Switzerland |
| Intel Corporation | 131,900+ | Santa Clara, California, USA |
| Graco Inc. | 4,000+ | Minneapolis, Minnesota, USA |
| KEYENCE CORPORATION | 12,261+ | Osaka, Japan |
| Process Solutions, Inc. | 51-200 | Stafford, Texas, USA |
| Yokogawa Electric Corporation | 17,000+ | Tokyo, Japan |
| WAGO | 9,000+ | Minden, Germany |
| Emerson Electric Co. | 86,700+ | St. Louis, Missouri, USA |
| NXP Semiconductors | 33,100+ | Eindhoven, Netherlands |
| Maple Systems Inc. | 11-50 | Everett, Washington, USA |
| Mitsubishi Electric Corporation | 149,134+ | Tokyo, Japan |
| Siemens AG | 300,000+ | Munich, Germany |
| Honeywell International Inc. | 99,000+ | Charlotte, North Carolina, USA |
| Parker Hannifin | 55,000+ | Cleveland, Ohio, USA |
| Yaskawa Electric Corporation | 15,000+ | Kitakyushu, Japan |
| KUKA AG | 14,000+ | Augsburg, Germany |
| FANUC Corporation | 8,000+ | Yamanashi, Japan |
| Festo AG & Co. KG | 20,000+ | Esslingen am Neckar, Germany |
| National Instruments (NI) | 7,500+ | Austin, Texas, USA |
| Dassault Systèmes | 22,000+ | Vélizy-Villacoublay, France |
| Cognex Corporation | 2,000+ | Natick, Massachusetts, USA |
| SICK AG | 12,000+ | Waldkirch, Germany |
| Lantronix | 200+ | Irvine, California, USA |
Key Segments Covered in the Programmable Logic Controller (PLC) Market
By PLC Type
The market is divided into three main types of PLCs:
- Compact PLCs – small, cost-effective systems designed for simple automation tasks.
- Modular PLCs – flexible and expandable systems that can be customized for more complex operations.
- Soft PLCs – software-based controllers that run on PCs or servers, offering greater adaptability and integration with modern IT systems.
By Deployment
PLC deployment options include:
- Cloud-based – offering remote access, scalability, and lower upfront costs.
- On-premises – preferred for industries that need real-time control, security, and reliability.
- Hybrid – combining the benefits of both cloud and on-premise solutions for balanced performance.
By Application
PLCs are used across a wide range of applications, mainly:
- Discrete Automation – for tasks like assembly lines and packaging.
- Process Automation – for managing continuous processes such as in oil & gas or chemical industries.
- Building Automation – for controlling HVAC, lighting, and security systems in smart buildings.
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