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9 companies cashing in on the AI data center boom, from chips to cooling

Nvidia's data center sales hit $89 billion in a quarter, and Micron, Oracle and Vertiv are booming too. See the 9 companies behind the buildout

İsmail Enes Ayhan / Unsplash

Every chatbot answer, generated image and AI agent runs in a data center, and the race to build more of them has turned a handful of suppliers into some of the fastest-growing companies in the world. The buildout needs far more than processors. It takes memory, networking gear, factories to make the chips, electrical equipment to power them, systems to cool them and clouds to rent out the capacity.

Nvidia $NVDA's chief financial officer said in August that capital spending by the five biggest hyperscalers is expected to reach nearly $800 billion in 2026 and $1.3 trillion in 2027, a forecast from a company that sells to them. The nine companies below sit at different layers of that spending, from chips to cloud, and each figure comes from the company's own latest earnings release or call.

Mariia Berezovsky / Unsplash

Nvidia $NVDA reported $96.2 billion in revenue for the quarter ended July 26, 2026, up 106% from a year earlier, and $89.0 billion of it came from data centers, up 117%. Data centers now make up about 92% of its sales.

The company said its Vera Rubin platform is in full production, with racks running at partners........

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