5 of the 100 companies on the AI Infra 100 are in the Rack & server power delivery segment of Power, cooling & thermal, from 5 countries. The highest ranked is Delta Electronics, rank 8 of 100 with a score of 100. Ranking and scores from the November 2026 edition, the assessment by Frontier Tech Intelligence of the AI infrastructure landscape.
| Rank | Company | Category / segment | Country | Score |
|---|---|---|---|---|
| 8 | Delta ElectronicsDelta supplies power and cooling for AI data centers, including server power supplies, 800 VDC in-row power racks, battery backup and liquid-cooling systems. | Power, cooling & thermal / Rack & server power delivery | Taiwan | 100 |
| 25 | FlexFlex develops server-board power distribution for native 800-V systems, 800-V DC sidecars, and high-efficiency power shelves for AI data centers. | Power, cooling & thermal / Rack & server power delivery | Singapore | 96 |
| 63 | LegrandLegrand supplies power infrastructure for high-density data centers, including busways, power shelves and rack power systems. | Power, cooling & thermal / Rack & server power delivery | France | 89 |
| 72 | EatonEaton supplies data-center power equipment, including UPS systems, busbars and an 800 VDC AI data-center design, plus thermal management through Boyd Thermal. | Power, cooling & thermal / Rack & server power delivery | Ireland | 87 |
| 82 | Analog DevicesAnalog Devices supplies power-management components for data-center servers and racks, including µModule regulators with PMBus telemetry for real-time power control. | Power, cooling & thermal / Rack & server power delivery | United States | 86 |
Score out of 100: traction (deployment, production, commercials, progress) and capability (technology, positioning, firepower, leverage). The full AI Infra 100 with filters →
Delta Electronics ranks highest (rank 8 of 100, score 100). The Rack & server power delivery segment (Power, cooling & thermal) holds 5 of the 100 companies on the AI Infra 100: Delta Electronics, Flex, Legrand, Eaton and Analog Devices. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
Delta Electronics, Flex, Legrand, Eaton and Analog Devices. Each has a company file with scores, facts and signals. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
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