The distribution of market share growth within the specialized industrial Ethernet switch market for PIS is a dynamic process, with gains being captured by companies that can most effectively address the industry's trifecta of needs: ruggedization, certification, and advanced functionality. The overall market expansion is fundamentally driven by global investment in public transportation modernization, the universal passenger demand for real-time information, and the critical need for enhanced security and surveillance on transit systems. A detailed breakdown of the Industrial Ethernet Switch in PIS Market illustrates that growth is not uniform; instead, an analysis of the Industrial Ethernet Switch in PIS Market Growth Share by Company shows that certain players are outperforming the market average. These high-growth companies are typically those that have heavily invested in achieving and maintaining rigorous industry certifications, particularly EN 50155 for rail. This certification acts as a significant barrier to entry and a powerful mark of quality, instantly qualifying a vendor's products for consideration in tenders for new rolling stock and system upgrades. Companies that have a broad portfolio of EN 50155-certified switches, from compact 5-port models to high-density rack-mount units, are better positioned to meet the diverse needs of system integrators and capture a larger share of project-based revenue, thereby driving their growth.

The primary drivers determining which companies are successfully expanding their market share are technological leadership and a deep understanding of application-specific requirements. A key area of differentiation is Power over Ethernet (PoE) technology. Vendors offering switches with the latest high-power PoE standards (IEEE 802.3bt) are seeing accelerated growth as these are essential for powering modern pan-tilt-zoom (PTZ) surveillance cameras, large digital displays, and other power-intensive IP devices common in PIS deployments. This simplifies installation by eliminating the need for separate power cables to each device, a critical advantage in the space-constrained environment of a train car or bus. Another significant growth driver is the sophistication of network redundancy and management software. Companies whose switches support advanced redundancy protocols like MRP (Media Redundancy Protocol) can guarantee the near-instantaneous network recovery required for mission-critical PIS applications. The Industrial Ethernet Switch in PIS Market size is projected to grow USD 12.5 Billion by 2035, exhibiting a CAGR of 7.4% during the forecast period 2035. Furthermore, vendors providing intuitive, centralized network management software that allows operators to configure, monitor, and troubleshoot the entire onboard network from a single interface are capturing share by lowering the total cost of ownership for transit authorities.

Looking forward, the battle for future market share growth will be waged on the fronts of data bandwidth and integrated cybersecurity. The demand for higher bandwidth is escalating, driven by the proliferation of high-definition video streams from both CCTV cameras and infotainment systems. This is fueling a rapid transition from Fast Ethernet (100 Mbps) to Gigabit Ethernet (1 Gbps) and even 10-Gigabit uplinks for the network backbone on modern trains. Companies that are at the forefront of this transition, offering a full range of ruggedized Gigabit and 10G switches, are positioning themselves to win the next generation of PIS projects. Simultaneously, cybersecurity has evolved from a niche concern to a primary purchasing criterion. As PIS networks are increasingly connected to the internet for remote management and data updates, their vulnerability grows. Vendors that embed robust cybersecurity features directly into their switches—such as MAC address filtering, RADIUS authentication, and support for encrypted management protocols—are gaining a significant competitive edge. The future market share leaders will be those who can deliver a holistic solution that combines certified ruggedness, high-power PoE, gigabit speeds, and a strong, layered cybersecurity posture.