Top Transfer Switch Companies Powering Reliable Energy Systems

A transfer switch is an electromechanical device that offers a consistent transfer of crucial load connections between primary and alternate sources of electrical power. These switches offer instant conversion between two or more power sources, which assist in an incessant power supply when power goes off. They have several end-user applications in residential and industrial sectors. Surging adoption of smart grid technology in the developed regions, rising need for continuous power supply, and rapid installation of standby generators in residential and commercial buildings are driving the demand for transfer switches.

The increasing adoption of Automatic Transfer Switches (ATS) highlights the growing demand for reliable power management across critical industries. Advanced features such as IoT-enabled monitoring, remote operation, and fast switching capabilities support uninterrupted power transitions, improved operational efficiency, and seamless integration with smart grids and renewable energy systems.

According to a report by Fortune Business Insights™, the market for transfer switch reached USD 2.02 billion in 2025 and is predicted to reach USD 3.72 billion by 2034 with a CAGR of 7.03% from 2026 to 2034.

Fortune Business Insights™ Profiles Top 10 Companies in the Transfer Switch Market

1. Schneider Electric

With 160,000 employees and one million partners in more than 100 countries, Schneider Electric is constantly ranked among the world’s most sustainable firms. Headquartered in France, Schneider Electric offers specific electrical capacities with an emphasis on unconventional transfer switch executions and advanced power management solutions. Its product series comprises software-defined architectures, AI-powered systems, intelligent devices, digital services, and expert advisory. Schneider Electric boosts efficacy and sustainability by automating, electrifying, and digitalizing industries, businesses, and homes.

• May 2025: Schneider Electric introduced new automatic transfer switch solutions to accelerate power safety and accessibility during outages. These solutions include ASCO Single Way Bypass Switch (32-400A, IP31/IP55), Acti9 Incoming ATS Kit (up to 125A, bolt-on design), and improved TransferPacT (32-1600A, 500ms switching).

2. Eaton

Based in Ireland, Eaton is a smart power management company focused on providing complete switching solutions such as quality control platforms and innovative transfer switch systems. The company makes more well-organized, sustainable power management solutions that meet the ever-changing consumer requirements. Eaton solves critical power management difficulties with its advanced technologies.

• May 2024: Eaton completed the purchase of Cooper Power Systems. This acquisition reinforced Eaton's position in the ATS market and increased its geographic reach through adding Cooper Power Systems' wide product range.

3. ABB

ABB is a prominent player in electrification and automation, founded in 1988 and based in Switzerland, making a way for a resource-efficient and sustainable future. ABB offers all-inclusive electrical services with an emphasis on integrated platforms and large-scale industrial applications. It provides Automatic Transfer Switches (ATS) for docks, industrial plants, airports, and data centers.

• March 2024: ABB made a planned collaboration with Siemens Energy to jointly create and market innovative ATS solutions for renewable energy applications. This alliance intends to fulfill the rising demand for consistent power transfer in renewable energy systems.

4. Siemens

Siemens is established in Germany and excels in innovative switching technologies and specialized transfer switch executions for the finest applications. The company boosts innovation, infrastructure, and mobility through the digital revolution. Siemens allows customers to hasten their digital and sustainability renovations, making factories more resourceful and transportation more sustainable.

• January 2025: Siemens reinforced its automatic transfer switch portfolio by concentrating on modular designs that streamline installation and assist scalable power systems in industrial and commercial services.

5. Generac Power Systems

Formed in 1959, Generac is one of the top home backup generator manufacturers in the U.S. It is also the renowned designer and producer of manual and fully automatic transfer switches and accessories for backup power applications up to 2 MW. The company is persistently engaged in energy management and offers connected solutions that help protect against rising energy costs for consumers and commercial users.

• May 2022: Generac Power Systems launched two new Powermate dual-fuel capable portable generators: the Powermate 7500-Watt Dual Fuel Portable Generator and the Powermate 4500-Watt Dual Fuel Portable Generator.

6. Cummins

Cummins, a U.S.-headquartered company, dedicated to offering diesel and alternative fuel engines and generators, and related components and technology. Their products are used for continuous generator synchronization, dependability in adverse conditions, and simplified design, managing the new upsurge of supply chain, and sourcing challenges. It delivers a wide range of transfer switches and bypass isolations for consistent transfer of power in any application. All of its transfer switches are developed with flexibility and keeping ease of operation in mind.

• March 2023: Cummins expanded its product line by introducing the transfer switch, “PowerCommand B-Series,” across North America, available in capacities from 1200 to 3000 amps. This new launch highlights Cummins' commitment to distributing reliable, advanced, and all-inclusive power solutions.

7. Kohler

Based in the U.S., Kohler is one of the eminent providers of advanced transition modes and automatic and manual transfer switches, well-known for strong performance in commercial and residential settings. Its automatic transfer switches are crafted to transfer power to feed the critical loads of the facility. Highlighting ease of installation and integration, Kohler’s offerings accommodate a variety of current ratings and enclosure types, fulfilling demanding operational and aesthetic standards.

8. Vertiv

Headquartered in the U.S., Vertiv is one of the top 10 transfer switch companies in critical digital infrastructure for applications in communication networks, data centers, and commercial and industrial environments. It provides crucial infrastructure technologies and quickly deployable modified transfer switch solutions to accomplish exact business necessities. The Vertiv™ PowerIT Rack Transfer Switch offers redundant power to single-corded devices.

• May 2025: Vertiv introduced its modern static transfer switch, PowerSwitch 7000, which solidifies the company’s standing as a provider of comprehensive power solutions. The system expands the Vertiv solutions’ end-to-end range, enabling the vital digital world to operate and accelerate continuously.

9. Socomec

Formed in 1922, France-based SOCOMEC is an independent industrial group with a workforce of 4400 specialists spread over 30 subsidiaries across the globe. The company offers a wide range of compact manual transfer switches and the enclosed ATS Bypass. Providing an unparalleled level of source switching, SOCOMEC is continuously revolutionizing to ensure ever more competent ways to promise the steadiness of distribution.

10. Mitsubishi Electric

Japanese industrial automation and electrical system provider, Mitsubishi Electric, was founded in 1921.  Its automatic transfer switches integrate rugged engineering with smart monitoring and quick response. It serves a varied client base by presenting solutions that assist continuous power supply in severe environments. The company is famous for its established quality status and capacity to distribute custom solutions for growing end-user requirements.

Electrical Integration and Power Reliability Expansion to Spark Transformation in Transfer Switch Production

With the increasing use of cutting-edge power reliability, innovative switching capacities, and operational continuity consciousness, electrical developers are now able to create advanced transfer switch solutions with improved reliability profiles, superior switching positioning, enhanced, and effortless integration features. Innovative power reliability systems offer better operational outcomes while enabling more effective electrical processes and dependable performance across a range of facility applications and operating situations. Top 10 transfer switch companies are becoming more aware of electrical integration skills for switching, positioning, and market diversity.