Industrial Communication Market Size & Share 2026-2035

Industrial Communication Market Size

The global industrial communication market was valued at $21.7 billion in 2025 and is expected to grow from $22.7 billion in 2026 to $38.2 billion by 2035, at a 5.9% CAGR.

The market covers the hardware, software, and services used to move control, diagnostic, and operational data among field devices, controllers, distributed control systems, supervisory platforms, and enterprise applications. Its core investment case rests on a prolonged replacement cycle: plants must add data capacity and cyber controls without interrupting deterministic control functions or prematurely retiring installed equipment.

New-node adoption already favors Ethernet-based architectures. Industrial Ethernet represented 79% of newly installed industrial-network nodes, compared with 14% for fieldbus and 7% for wireless protocols; wireless nodes nevertheless expanded at an 8% annual rate. The result is not a simple displacement of legacy networks. Fieldbus remains embedded in long-lived process assets, while Ethernet, gateways, and industrial software are increasingly purchased together to connect those assets to operations, maintenance, and security systems. ^{[1]HMS Networks, State of Industrial Networks 2026, 2026, hms-networks.com}

The decisive constraint is continuity of production. A manufacturer can standardize Ethernet in a greenfield cell, but a refinery or utility operator must preserve safety, uptime, and instrument compatibility while modernizing in phases. This favors modular migration paths, including Ethernet-APL and OPC UA-enabled control platforms, rather than wholesale network replacement. The commercial value therefore shifts toward products that lower engineering risk at the boundary between legacy control domains and newer data-intensive applications.

This assessment covers the global industrial communication market from 2025 through 2035, with values in U.S. dollars. Coverage includes hardware, software, and services; fieldbus, industrial Ethernet, and wireless industrial protocols; process control, M2M communication, remote monitoring and diagnostics, predictive maintenance and condition monitoring, and safety and security systems. End-use coverage comprises manufacturing sectors and process and utilities sectors.

Regional coverage includes North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa. Country discussion includes the U.S., Canada, Germany, the UK, France, China, India, and Japan, alongside relevant additional markets in each regional grouping. The competitive assessment covers Cisco Systems, Siemens, ABB, Huawei, Rockwell Automation, Emerson Electric, Belden, Schneider Electric, Phoenix Contact, HMS Networks, Omron, Mitsubishi Electric, Yokogawa Electric, Advantech, and Moxa.

Key Drivers

Expansion of Industrial Internet of Things Ecosystems

IIoT deployments expand demand beyond the connection of a single device to a controller. As connected endpoints rise, facilities require device discovery, network segmentation, protocol translation, lifecycle diagnostics, and centralized visibility. HMS Networks projects roughly 7.7% average annual growth in installed industrial-network nodes over the coming five years, indicating that endpoint growth remains a durable hardware and software demand base.

Process automation broadens this opportunity because hazardous-area instrumentation has historically been difficult to connect to high-speed networks. ABB's 2024 Freelance update added PROFINET connectivity to AC 900F controllers, Ethernet-APL support, OPC UA-based NAMUR Open Architecture data exchange, and Module Type Package support for modular automation. Ethernet-APL makes it possible to extend Ethernet characteristics closer to field instruments where conventional network designs have been constrained by power and intrinsic-safety requirements. This shifts modernization from a controller-room project toward an instrument-level architecture decision. ^{[2]ABB, ABB Updates Freelance Distributed Control System to Boost Plant Efficiency and Future-Proof Operations, 2024, new.abb.com}

Growth in Connected and Autonomous Industrial Equipment

Robotics raises the value of reliable, time-sensitive communications because production assets become both data producers and moving network participants. China installed 295,000 industrial robots in 2024, accounting for 54% of global installations, while its operational stock surpassed 2 million units. India recorded 9,100 installations, up 7% year over year, with automotive accounting for 45% of those installations. Such deployments increase demand for architectures that can coordinate motion, inspection, safety signals, and asset telemetry under predictable latency conditions. ^{[3]International Federation of Robotics, World Robotics 2025: Executive Summary, 2025, ifr.org}

This driver is strongest where production layouts are flexible or mobile assets are numerous. Wireless infrastructure can reduce recabling costs for mobile robots and retrofit applications, but its role is application-specific: a wireless link that is suitable for monitoring may not meet the timing, availability, or safety requirements of a motion-control loop. Suppliers therefore compete on the ability to integrate wireless mobility with wired deterministic backbones rather than on wireless coverage alone.

Integration of Advanced Technologies

Digital twins, machine vision, and predictive analytics require industrial networks to carry more frequent and more varied data streams than conventional control systems. Siemens' 2024 study of 907 industrial enterprises across seven countries found that 30% of respondents spend more than $10 million annually on digital twin and industrial-metaverse technologies, with manufacturing leading adoption. That spending does not automatically translate into network revenue; it does, however, make time synchronization, data context, and reliable movement of operational data more commercially important.

Predictive maintenance creates a clearer mechanism. Siemens reported that predictive maintenance deployed at scale can improve downtime forecasting by 85%, reduce unplanned downtime by 50%, and lower maintenance costs by 40%. Achieving those outcomes requires sustained transfer of sensor and equipment data to analytical systems. The relevant purchase decision is thus increasingly a combination of sensing connectivity, secure edge access, and software that can expose actionable diagnostics, rather than a discrete switch or gateway transaction.

Demand for IT-OT Convergence Across Industrial Facilities

IT-OT convergence is altering the functional requirements of industrial networks. Plant operators increasingly need equipment data to reach manufacturing execution systems, enterprise applications, remote specialists, and analytics platforms, while retaining the availability and deterministic behavior expected from control environments. This creates demand for protocol-aware connectivity, edge gateways, common information models, and access controls that are designed for industrial operating conditions.

The commercial tension is between data accessibility and operational exposure. Adding enterprise links and remote access can reduce engineering response times and enable centralized monitoring, but it also expands the pathways that must be governed. Vendors able to make legacy and current-generation equipment visible without flattening security boundaries gain relevance in brownfield facilities, where integration complexity is often the limiting factor.

Industrial Cybersecurity and Network Resilience

Cybersecurity is increasingly a communication-infrastructure driver because segmentation, secure remote access, and traffic visibility are network design decisions. In a 2025 SANS Institute survey of more than 180 ICS/OT professionals, 55% of respondents reported growth in ICS/OT cybersecurity budgets over the previous two years, and defensible network architecture was the most prioritized control. Organizations in the U.S. and Europe commonly allocated 26-50% of cybersecurity budgets to ICS/OT.

The ISA/IEC 62443 series provides a structured framework for industrial automation and control system security. ISA notes that IEC 62443 may serve as a harmonized standard supporting conformity with the EU Cyber Resilience Act, while IEC 62443-2-1:2024 updates requirements for security programs operated by asset owners. This creates a procurement shift from general connectivity toward products and services that can support documented network zones, secure configurations, lifecycle management, and compliance evidence.

Key Restraints

High Initial Deployment and Integration Costs

Industrial communications projects carry costs that are not visible in the price of network hardware. Equipment must withstand industrial environments, support required redundancy and security functions, and be integrated with controllers, instruments, applications, and operating procedures. In smaller manufacturing sites, the shortage of internal OT networking expertise can make engineering and commissioning costs more material than the initial equipment purchase.

Brownfield sites face a distinct economic problem: they must modernize while preserving production continuity. Fieldbus devices may still function reliably, but connecting them to new platforms can require gateways, redesign of control cabinets, cybersecurity hardening, validation, and carefully scheduled outages. In process industries, the timing of a network migration is often tied to turnaround windows. This slows the replacement cycle and rewards solutions that extend visibility and interoperability without forcing immediate asset retirement.

Interoperability Challenges Across Multiple Communication Protocols

Industrial network fragmentation is persistent because protocols reflect long-lived installed equipment, supplier ecosystems, and differing application requirements. Fieldbus still represented 14% of newly installed industrial-network nodes, even as Ethernet held the dominant share. The market is therefore not moving from one universal protocol to another; it is moving toward layered architectures in which multiple protocols must coexist.

The resulting integration burden is commercial as well as technical. A multi-vendor facility may need separate engineering tools, certification knowledge, and support arrangements across fieldbus, Ethernet, and wireless domains. Gateways can preserve asset value, but they can add maintenance points and obscure diagnostics. Interoperability improvements that reduce commissioning effort and improve data consistency can therefore create value disproportionate to their hardware cost.

Industrial Communication Market Segment Analysis

By Offering

Hardware was the largest offering category, generating $11.96 billion in 2025 and projected to reach $20.92 billion by 2035 at a 5.88% CAGR. Switches, routers, wireless access points, gateways, communication modules, and connectors remain the physical foundation of industrial networks. Hardware demand is sustained by Ethernet migration, security upgrades, and new connected assets, but hardware alone captures only part of the modernization budget when installations require configuration, monitoring, and integration.

Software is forecast to grow from $5.90 billion in 2025 to $11.19 billion by 2035, a 6.73% CAGR and the highest rate among offering categories. Its growth reflects a shift from simply transporting data to managing topology, diagnosing faults, controlling access, and integrating operational data with higher-level systems. Software becomes particularly valuable where plants operate mixed-vendor environments, because the economic benefit lies in reducing engineering time and making network conditions understandable across equipment generations.

Services are projected to grow from $3.90 billion to $6.06 billion at a 4.63% CAGR. While this is the slowest offering category, integration, commissioning, lifecycle support, and security assessment remain essential in brownfield projects. The service opportunity is increasingly differentiated by specialist knowledge of industrial protocols, process requirements, and cyber controls, rather than by basic installation labor.

By Communication Protocol

Fieldbus protocols were valued at $7.05 billion in 2025 and are projected to reach $11.40 billion by 2035 at a 5.04% CAGR. Their comparatively slower growth reflects reduced new-node momentum, but fieldbus remains economically important where process instruments, safety functions, and long-established control systems are costly to replace. PROFIBUS & PROFINET International reported 17.3 million PROFIBUS devices installed in process automation, underscoring the lifecycle and gateway opportunity associated with this installed base. ^{[4]PROFIBUS & PROFINET International, 2024 Annual Node Count Released, April 2025, profinews.com}

Industrial Ethernet was the largest protocol segment at $10.32 billion in 2025 and is projected to reach $18.15 billion by 2035 at a 5.93% CAGR. PROFINET's installed base reached 78.8 million products, including 9.5 million new nodes in 2024. Within new Ethernet-node installations, PROFINET, EtherNet/IP, and EtherCAT accounted for 30%, 25%, and 20%, respectively; these are shares within the Ethernet tier rather than shares of all industrial nodes. Protocol selection remains closely tied to automation ecosystems, with EtherNet/IP particularly entrenched in North America and CC-Link IE holding leadership in Japan and East Asia.

Wireless industrial protocols were valued at $4.38 billion in 2025 and are projected to reach $8.62 billion by 2035, the highest protocol CAGR at 7.12%. Their growth is tied to mobility, remote assets, retrofit constraints, and the need to connect equipment where cabling is impractical. Wireless will not replace wired deterministic networks universally; instead, it expands the addressable use cases for industrial communication by connecting moving equipment, dispersed assets, and difficult-to-wire devices.

Time-Sensitive Networking is an important architectural development because it aims to support time-critical and conventional data traffic on common Ethernet infrastructure. Moxa's TSN-G5000 series received the Avnu Alliance's first TSN Component Certification in September 2024. Certification matters because industrial users require predictable interoperability when introducing new network layers into multi-vendor operations. ^{[5]Moxa, Moxa's TSN Ethernet Switches Obtain World's First TSN Component Certification, September 2024, moxa.com}

By Application

Process control was the largest application at $7.22 billion in 2025 and is expected to reach $11.29 billion by 2035 at a 4.69% CAGR. The lower growth rate reflects a mature installed base and the operational conservatism of process industries. Investment is concentrated in secure modernization, remote access, and selective extension of Ethernet to field-level environments rather than broad replacement of established control networks.

M2M communication is projected to grow from $4.89 billion in 2025 to $8.69 billion by 2035 at a 6.03% CAGR. Its importance lies in machine coordination and data exchange without manual intervention. In multi-vendor production cells, common information models and interoperable communication layers can reduce the time required to integrate machines, material-handling systems, and quality-control equipment.

Remote monitoring and diagnostics is forecast to advance from $3.71 billion to $7.16 billion at a 6.89% CAGR. The application requires secure paths for equipment data and authorized remote access, creating demand for industrial routers, edge gateways, network-management platforms, and cyber controls. Its value proposition is strongest where field service costs, asset dispersion, or downtime exposure make on-site intervention expensive.

Predictive maintenance and condition monitoring is the fastest-growing application, rising from $3.14 billion in 2025 to $6.55 billion by 2035 at a 7.72% CAGR. The segment is driven by the need to collect and contextualize high-frequency condition data, then deliver it to analytical systems in time to alter maintenance decisions. That requirement favors infrastructure that can support continuous sensor data while maintaining the determinism of production control traffic.

Safety and security systems are projected to increase from $1.89 billion in 2025 to $3.16 billion by 2035 at a 5.41% CAGR. Safety functions create a high qualification threshold because communication architectures must preserve validated behavior under fault conditions. As Ethernet networks become more common, the market opportunity includes certified communication components and architectures that preserve functional safety while supporting broader data connectivity.

By End-use Industry

Manufacturing sectors accounted for $14.39 billion in 2025 and are forecast to reach $29.52 billion by 2035, growing at 7.56% CAGR. Automotive, electronics, semiconductor, food and beverage, pharmaceutical, aerospace, and machinery plants are adopting more connected automation because they require shorter changeovers, greater traceability, and more automated inspection. Robotics investment in China and India reinforces this demand, as each additional automated asset increases the need for coordinated control, visibility, and secure data exchange.

Process and utilities sectors are projected to grow from $6.15 billion in 2025 to $11.65 billion by 2035 at a 6.72% CAGR. Their demand is shaped by remote operating conditions, hazardous locations, long asset lives, and regulated reliability requirements. The practical priority is not uniform protocol replacement but improved access to reliable operational data, secure remote monitoring, and phased modernization of control and instrumentation networks.

Industrial Communication Market Regional Analysis

North America

North America was valued at $6.80 billion in 2025 and is projected to reach $11.93 billion by 2035 at a 5.91% CAGR. The U.S. accounted for $6.05 billion in 2025 and is forecast to reach $10.75 billion by 2035, while Canada is expected to increase from $0.75 billion to $1.18 billion. Regional demand is supported by advanced manufacturing, process operations, energy infrastructure, and a comparatively mature cybersecurity market.

EtherNet/IP has a particularly strong regional position through the Allen-Bradley and Rockwell Automation ecosystem. North American modernization demand is also shaped by OT cybersecurity expenditure, with the SANS survey indicating substantial allocation of security budgets to ICS/OT in the U.S.. This creates a market where industrial networking purchases are increasingly evaluated alongside segmentation, remote-access governance, and security-monitoring requirements. ^{[6]Drives & Controls, New Industrial Networking Installations Fell by 10-11% in 2024, 2025, drivesncontrols.com}

Europe

Europe is forecast to grow from $4.98 billion in 2025 to $8.11 billion by 2035 at a 5.11% CAGR. Germany is the region's largest named market, rising from $1.83 billion to $3.41 billion, followed by the UK from $1.02 billion to $1.67 billion and France from $0.66 billion to $1.00 billion. The region's engineering base, process industries, and automotive production sustain demand for industrial Ethernet, automation software, and modernization services.

European growth is increasingly influenced by regulatory obligations. The ISA/IEC 62443 framework and its relevance to Cyber Resilience Act conformity make secure product development, documented system security, and lifecycle processes more prominent in procurement. This supports demand for industrial-grade network equipment and services, but it also raises qualification costs for suppliers that lack relevant security capabilities. ^{[7]ISA, ISA/IEC 62443 Series of Standards, undated, isa.org}

Asia Pacific

Asia Pacific was the largest regional market at $8.14 billion in 2025 and is projected to reach $15.49 billion by 2035 at a 6.76% CAGR. China is forecast to expand from $3.78 billion to $7.79 billion at 7.61% CAGR; India is projected to increase from $2.07 billion to $3.94 billion at 6.74%; and Japan is expected to grow from $0.99 billion to $1.74 billion. The region combines large-scale industrial automation, electronics and semiconductor investment, and greenfield manufacturing expansion.

China's automation intensity is particularly significant: it accounted for 54% of global robot installations in 2024, and domestic robot suppliers captured more than 57% of China's robot market for the first time. New facilities can specify current-generation network architectures from inception, reducing the migration burden experienced in older industrial estates. Japan and East Asia also retain strong CC-Link IE ecosystems, which preserves regional protocol diversity even as Ethernet adoption broadens.

Latin America

Latin America is projected to rise from $1.03 billion in 2025 to $1.52 billion by 2035 at a 4.10% CAGR. Brazil and Mexico are the principal demand centers, supported by automotive, food processing, petrochemical, electronics, and nearshoring-related manufacturing investment. The market is constrained by capital availability and uneven modernization capacity, favoring projects with clear productivity, reliability, or remote-monitoring paybacks.

The regional opportunity is concentrated in selective industrial clusters rather than uniform adoption. Vendors with adaptable channel models, cost-effective retrofit architectures, and local systems-integration capabilities are better positioned than suppliers relying solely on large greenfield automation projects.

Middle East & Africa

The Middle East & Africa market is expected to grow from $0.80 billion in 2025 to $1.13 billion by 2035 at a 3.54% CAGR. Demand is concentrated in oil and gas, utilities, mining, processing, and emerging industrial-diversification projects, especially in Saudi Arabia and the UAE. South Africa contributes demand through mining, food processing, and utility infrastructure.

Long distances, harsh operating environments, and uneven telecommunications infrastructure increase the value of ruggedized equipment, remote monitoring, and secure edge connectivity. At the same time, project economics can be sensitive to commodity cycles and public infrastructure investment, which limits the pace of broad-based network refresh programs.

Industrial Communication Market Share & Competitive Landscape

The market is moderately concentrated at the leadership tier. Cisco Systems held a 14.53% share in 2025, followed by Siemens at 11.36%, Rockwell Automation at 9.26%, Schneider Electric at 7.14%, and ABB at 5.74%. Together, these five suppliers accounted for approximately 48% of market revenue. Their common advantage is breadth across connectivity, automation integration, and industrial software, although their geographic and protocol positions differ materially.

Cisco Systems

leads through industrial Ethernet, routing, security, and broader IT-OT network integration. Cisco reported fiscal 2025 revenue of $56.7 billion, including $28.3 billion in networking revenue, and completed its acquisition of Splunk in March 2024. Its industrial proposition is strongest where customers want to combine plant-floor connectivity with enterprise security and observability capabilities. ^{[8]Cisco Systems, Cisco Reports Fourth Quarter and Fiscal Year 2025 Earnings, August 2025, investor.cisco.com}

Siemens

benefits from the depth of its automation installed base and from the integration of industrial networking with the TIA engineering environment. Its position in PROFINET-intensive manufacturing supports demand for controllers, industrial network components, and software that can unify engineering and operational data. The company is well positioned where customers prioritize integrated automation architecture, particularly in European and global discrete-manufacturing settings.

ABB

has a differentiated process-industry position through its control, instrumentation, and automation portfolio. The 2024 Freelance update added PROFINET, Ethernet-APL, OPC UA-enabled NOA data exchange, and modular automation capabilities, making the company relevant to customers extending Ethernet and data access into process environments. Its competitive strength lies in linking communications modernization with control-system and field-instrument decisions.

Rockwell Automation

holds a defensible role in EtherNet/IP-oriented production environments, particularly in North American manufacturing. Its Intelligent Devices segment generated $3.804 billion in fiscal 2024 sales, while Lifecycle Services generated $2.273 billion and grew 10%. This combination gives Rockwell a route to capture both installed-base hardware demand and recurring services associated with connected operations. ^{[9]Rockwell Automation, Fourth Quarter and Full Year 2024 Financial Results, November 2024, rockwellautomation.com}

HMS Networks

is a connectivity specialist with a strong role in protocol conversion and remote-access solutions. It reported 2024 sales of SEK 3,059 million and announced an agreement to acquire PEAK-System Technik in October 2024. Its specialist model benefits from protocol diversity because gateway demand persists when customers need to connect rather than replace legacy equipment.

Moxa

is a focused industrial networking supplier with particular relevance in managed Ethernet, wireless connectivity, and TSN. Its TSN-G5000 series received the Avnu Alliance's first TSN Component Certification in September 2024, strengthening its credibility in deployments where cross-vendor timing behavior and interoperability are purchasing criteria.

Recent Industry Developments

In September 2024, Moxa announced that its TSN-G5000 industrial Ethernet switch series had received the Avnu Alliance's first TSN Component Certification. The certification marked a practical milestone for industrial users evaluating time-sensitive networking across multi-vendor environments, where interoperability verification is essential before networks are introduced into time-critical applications.

ABB released its Freelance 2024 distributed control system update in 2024. The release added PROFINET capability for AC 900F controllers through the CI 940F module, Ethernet-APL support, OPC UA-enabled NOA data exchange, and Module Type Package support for modular automation. The development is notable because it links process-control modernization with the extension of Ethernet-based connectivity toward field instruments.

PROFIBUS & PROFINET International reported in April 2025 that the cumulative installed base of PROFINET products had reached 78.8 million, following 9.5 million new nodes in 2024. The announcement reinforced PROFINET's installed-base scale, which affects equipment compatibility, engineering skills, and the economics of protocol selection in industrial Ethernet projects.

HMS Networks announced an agreement in October 2024 to acquire PEAK-System Technik, a transaction intended to expand its position in industrial communications and automotive connectivity. The development illustrates continued consolidation among specialist suppliers seeking broader protocol capability and access to adjacent testing, diagnostic, and connectivity markets.

Cisco's March 2024 completion of the Splunk acquisition continued to shape its industrial proposition during fiscal 2025, when the company reported $56.7 billion in total revenue and $28.3 billion in networking revenue. The combination strengthens Cisco's ability to connect industrial-network infrastructure with broader security analytics and observability capabilities.