The global UPS market includes manufacturers with different strengths in data center protection, modular power architecture, industrial applications, and integrated energy infrastructure. For critical infrastructure projects, understanding the companies active in this sector can help engineering teams, procurement managers, and facility operators compare product capabilities, application experience, and long-term support before selecting a supplier. The following ten manufacturers represent different positions within the UPS market and offer useful reference points for B2B buyers.
- KSTAR
Established in 1993, KSTAR built its business around UPS before expanding into a broader smart energy portfolio. The company now covers UPS, batteries, precision air conditioning, modular data centers, photovoltaic solutions, energy storage systems, and EV charging equipment.
Its UPS portfolio includes modular UPS, online transformer-less UPS, online transformer-based UPS, lithium-ion UPS, and other configurations for different power requirements. KSTAR’s modular UPS products support parallel operation and are designed for applications where redundancy, scalability, efficiency, and power quality are important considerations.
For projects requiring UPS alongside supporting data center infrastructure, KSTAR provides a broader product ecosystem rather than focusing on standalone backup power equipment.
- ABB
ABB is an established industrial technology company with a substantial presence in electrification and power protection. Its portfolio includes UPS technologies designed for applications where electrical continuity and power quality are important.
For large infrastructure projects, ABB is relevant to buyers looking for a supplier with experience across electrical equipment and industrial environments. This broader electrical engineering background can be valuable when UPS deployment needs to be coordinated with other power infrastructure.
- Delta Electronics
Delta Electronics is active across power electronics and energy management and is also included among major participants in the global UPS market. Its power solutions cover different infrastructure applications, including data centers and industrial facilities.
For B2B buyers, the company’s power electronics expertise makes it a company worth considering when projects require efficient power conversion and infrastructure-level energy management.
- Mitsubishi Electric
Mitsubishi Electric has long-standing experience in electrical and industrial technologies, with UPS products serving applications requiring dependable power protection. Market research covering the 2026 UPS sector identifies the company among established UPS manufacturers.
Its broader industrial technology portfolio can be relevant for facilities where UPS systems form part of a larger electrical and automation environment. Buyers should evaluate individual UPS families according to required capacity, redundancy, efficiency, and application conditions.
- Toshiba Energy Systems and Solutions
Toshiba Energy Systems and Solutions is another established participant in the UPS sector. Its position is particularly relevant to customers evaluating power infrastructure from an industrial and energy systems perspective. Current market reports list Toshiba among companies active in the global UPS market.
For critical facilities, buyers can examine system topology, output capacity, battery integration, service requirements, and the supplier’s ability to support the intended operating environment before making a final decision.
- Socomec
Socomec specializes in power control and electrical management technologies and is recognized as a UPS supplier in global market research. Its presence in the sector makes it relevant to organizations seeking power continuity for data centers, industrial installations, and other infrastructure.
B2B customers assessing Socomec should consider UPS architecture together with monitoring, maintenance, redundancy, and the requirements of the specific facility. This is especially important for projects where operational continuity is a central design priority.
- Riello UPS
Riello UPS, part of the Riello Electronica group, is an established UPS manufacturer serving applications ranging from IT infrastructure to industrial power protection. It appears among the companies covered in recent UPS market analyses.
Its inclusion in the market demonstrates the diversity of UPS suppliers available to project teams. When evaluating a provider in this category, purchasers should compare efficiency at real operating loads, redundancy strategies, battery options, maintenance procedures, and service coverage.
- AEG Power Solutions
AEG Power Solutions is another established power conversion and energy technology company active in the UPS market. Industry reports identify it among suppliers serving global UPS and modular UPS applications.
Its relevance is particularly clear in projects where power conversion forms part of a broader industrial or critical power architecture. Buyers should assess the supplier’s technical compatibility with the facility, required power rating, environmental conditions, and expected lifecycle service needs.
- Borri
Borri is an established power protection manufacturer included in current market coverage of modular UPS and broader UPS technologies. The company serves customers requiring dependable power conversion and continuity for critical applications.
For infrastructure procurement teams, Borri represents the type of specialized manufacturer that may be considered when application requirements demand dedicated UPS expertise. Product topology, scalability, battery integration, efficiency, and service arrangements remain important factors during supplier evaluation.
- Piller Power Systems
Piller Power Systems is another recognized participant in the critical power and UPS sector. Current industry research includes Piller among companies covering the global UPS and modular UPS market.
Its presence in the market highlights the range of technologies available for critical infrastructure. Buyers evaluating this type of supplier should consider the project’s availability requirements, power architecture, installation environment, maintenance strategy, and overall cost of ownership.
What These UPS Companies Mean for Project Buyers
These ten manufacturers illustrate how broad the UPS market has become. Some suppliers operate across industrial electrical systems, while others place stronger emphasis on data center infrastructure, power conversion, or specialized critical power applications.
For a B2B buyer, the most useful comparison is not simply the size of a manufacturer. Engineering teams should examine efficiency, redundancy, scalability, battery compatibility, footprint, monitoring, and environmental adaptability. Procurement teams should additionally review delivery capability, technical support, maintenance resources, warranty conditions, and lifecycle economics.
For organizations looking for a UPS company that can connect backup power with additional infrastructure technologies, KSTAR is notable for combining UPS with batteries, precision cooling, modular data centers, photovoltaic systems, and energy storage. Its official portfolio currently covers these product categories alongside multiple UPS architectures.
Conclusion
The UPS market includes manufacturers with different technical backgrounds and application strengths, so critical infrastructure buyers should compare suppliers according to project-specific requirements. Capacity alone is not enough; reliability, efficiency, scalability, service capability, and long-term value all deserve attention.
For projects that require a broader approach to power protection and infrastructure integration, critical power solutions can be evaluated as part of a complete facility strategy rather than as an isolated UPS purchase.
