Power & Cooling companies
36 companies in the Power & Cooling part of the semiconductor & AI value chain.
Companies
- Caterpillar — Manufactures diesel and natural-gas generator sets and grid-forming battery energy storage systems for data-center backup and prime power.
- GE Vernova — Manufactures power transformers, grid switchgear, and gas turbines that connect AI data centers to the electrical grid.
- Schneider Electric — Energy management and data-center power/cooling infrastructure.
- ABB Ltd — Supplies electrification equipment for data centers, including switchgear, power distribution units, and solid-state medium-voltage UPS systems.
- Siemens Energy AG — Manufactures power transformers and grid technology for data-center power connections, and is investing $1 billion to expand US grid-equipment manufacturing.
- Delta Electronics — Power supplies, cooling, and power management for data centers and EVs.
- Vertiv — Leading data-center power and liquid-cooling systems maker.
- Trane Technologies plc — Manufactures chillers and liquid cooling systems for data centers, including a thermal management reference design co-developed with NVIDIA, and acquired liquid-cooling company LiquidStack in 2026.
- Quanta Services — Provides electrical engineering, procurement and construction (EPC) services for data-center power infrastructure, including transmission lines and substations.
- Johnson Controls International plc — Manufactures YORK-brand chillers for data-center cooling and has invested in liquid-cooling technology company Accelsius.
- Cummins — Manufactures diesel and natural-gas backup generator sets for data centers.
- Bloom Energy — Manufactures solid oxide fuel cells deployed as on-site power sources for AI data centers, with supply agreements including Oracle and Equinix.
- CoolIT Systems Inc. — Direct liquid cooling (DLC) systems and coolant distribution units for data centers and HPC.
- Hitachi Energy — Manufactures power transformers and grid-to-rack power conversion equipment for data centers; a wholly owned subsidiary of Hitachi Ltd, headquartered in Zurich.
- Rittal — Manufactures IT enclosures, racks, and cooling systems for data centers; the world's largest enclosure manufacturer, privately held as part of the family-owned Friedhelm Loh Group.
- STULZ — Manufactures precision air conditioning and liquid cooling systems for data centers; a privately held, family-owned company headquartered in Hamburg.
- Eaton — Electrical power management and data-center power infrastructure.
- Parker Hannifin — Manufactures liquid-cooling quick disconnects, sensors, and fluid-transfer components for data-center thermal management systems.
- Emerson Electric — Supplies automation, measurement, and control systems for data-center power and cooling infrastructure, including DCIM and building management software.
- Flex Ltd. — Electronics manufacturing services (EMS)/ODM provider; builds data-center power and liquid-cooling hardware, including JetCool technology acquired in 2024, alongside contract manufacturing.
- Legrand SA — Supplies power distribution and control equipment for data centers, including rack PDUs and busway, through its Data, Power and Control division.
- Asia Vital Components Co., Ltd. — Taiwanese thermal-solutions maker: fans, heat sinks, vapor chambers and liquid cooling for AI servers.
- Hubbell Incorporated — Supplies electrical products for data centers, including power distribution units, cable management, and structured cabling, through its Electrical and Utility Solutions segments.
- nVent Electrical — Electrical connection, protection, and liquid-cooling enclosures.
- Lite-On Technology — Power supplies and optoelectronics for servers and electronics.
- FSP Technology Inc. — Taiwanese FSP Group power-supply maker producing server PSUs (CRPS), UPS and battery backup units.
- Hammond Power Solutions — Manufactures dry-type distribution transformers for the North American market.
- Generac Holdings — Manufactures diesel and natural-gas backup generators for data centers, including a global supply agreement with a hyperscale data-center operator.
- Modine Manufacturing — Manufactures data-center cooling systems, including chillers and liquid cooling, under its Airedale by Modine brand, and secured a $4 billion long-term capacity agreement in 2026.
- Powell Industries — Manufactures medium- and low-voltage switchgear for data centers, including electrical substations, and holds a $1.6 billion order backlog driven partly by data-center wins.
- AAON — Manufactures HVAC and liquid cooling systems for data centers under its BASX brand, which grew 72% year over year in Q1 2026 on data-center cooling demand.
- Crusoe Energy — Energy-first AI cloud building power-colocated GPU data centers.
- Munters Group — Air treatment and data-center cooling systems.
- Soluna Holdings — Green data centers co-located with renewable power for AI/HPC.
- Asetek — Liquid-cooling technology for high-performance computing; taken private via compulsory redemption by CQXA and removed from Nasdaq Copenhagen in May 2026.
- Submer Technologies S.L. — Single-phase immersion cooling solutions for HPC, hyperscale and AI data centers.
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