Named in 4 pieces. Each entry below is that piece's own description of what the company makes, from its exposure map.
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The buyers
Microsoft, Google and Meta run AI data centres on long nuclear contracts.
Nuclear power for AI comes from old reactors first. The new ones wait on fuel. · 29 September 2026
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Protection and slower chips
Schneider Electric, Eaton and Vertiv make switchgear and backup power. Emerald AI makes software that slows AI work for Google and others.
America rations the plug: who may be cut, who must hold on, who pays · 22 September 2026
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Glass and mirrors
Corning, Prysmian and Fujikura make fibre. Google and Lumentum make optical circuit switches. Ciena links distant sites.
How ten thousand chips talk: the glass stays, and the plug survives its replacement · 4 September 2026
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The halls that choose
Microsoft, Google, Meta, Amazon and Jane Street run data centres, filled with chips Nvidia and AMD design.
Heat and water decide where AI goes: liquid to the chip, a choice on the roof · 21 August 2026
This maps who operates in each layer. It is not a recommendation, and naming a company is not a view on its shares. Personal research, not investment advice.