3 of the 100 companies on the AI Infra 100 are based in Ireland, 3% of the list, across 1 category and 2 segments. The highest ranked is Trane Technologies, rank 61 of 100 with a score of 89. 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 |
|---|---|---|---|---|
| 61 | Trane TechnologiesTrane Technologies supplies HVAC and thermal-management systems for data centers, with liquid-cooling capability added through the Stellar Energy and LiquidStack acquisitions. | Power, cooling & thermal / Cooling & thermal | Ireland | 89 |
| 66 | Johnson ControlsJohnson Controls supplies YORK chillers, absorption chillers, cooling distribution units and high-temperature heat pumps, including products designed for high-density AI data centers and industrial electrification. | Power, cooling & thermal / Cooling & thermal | Ireland | 88 |
| 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 |
Score out of 100: traction (deployment, production, commercials, progress) and capability (technology, positioning, firepower, leverage). The full AI Infra 100 with filters →
3 of the 100 companies on the AI Infra 100 are based in Ireland: Trane Technologies, Johnson Controls and Eaton. Trane Technologies ranks highest (rank 61 of 100, score 89). Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
Trane Technologies ranks highest (rank 61 of 100, score 89). Next: Johnson Controls and Eaton. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
3 of 100, 3% of the list. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
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