AI data centers are suddenly attracting old-world levels of capital, and Samsung's US$1b commitment to Helix Digital Infrastructure has pushed this trend into the spotlight for investors who do not want to miss the next big build-out story. Power, fiber, and hyperscale capacity sit at the center of this spending wave, and this article explains how that news connects to 3 stocks exposed to the same theme.
The stocks covered below are just a starting sample from this AI data center and digital infrastructure theme. The full screen surfaced 38 more companies with equally compelling narratives that are not unpacked in this article.
If you want to identify and analyze the highest conviction ideas first, head straight into the AI Data Center & Digital Infrastructure screener
Dycom Industries (DY)
Dycom Industries is one of the clearest pure plays on the AI data center and digital infrastructure buildout, since its crews are the ones actually engineering and installing the high capacity fiber and related systems that tie hyperscale campuses into the wider US network.
Dycom Industries generates about US$6.9b in annual revenue, with roughly US$6.0b coming from Communications work that includes fiber and telecom projects central to AI ready networks. The rest is segment adjustments. All of this revenue is earned in the United States and the stock is valued at about US$8.2b.
A large, multi year build out of long haul, middle mile and inside the fence fiber to connect data centers nationwide is feeding a contracted addressable market that management sizes at about US$20b. Dycom's more than US$1b fiber backlog and hundreds of millions of work already performed point to a sizeable future revenue opportunity.
What really matters now is how one unseen pressure on Dycom Industries' project economics plays out as AI driven infrastructure spending scales.
That pressure point is already reshaping expectations, so read the full narrative for Dycom Industries to see how Dycom Industries' AI buildout exposure could be getting mispriced.
ERock (EROC)
ERock sits right in the AI power conversation, supplying modular natural gas generation that lets data center operators bring their own electricity when the grid cannot keep up.
ERock generates US$162 million in annual Electric Equipment revenue, all in the United States, and carries a roughly US$3.4b market cap.
ERock designs, installs and runs distributed power plants for data centers and heavy power users, giving AI infrastructure builders a way to secure near site electricity without waiting years for new transmission or substation upgrades.
AI driven load growth and grid constraints are increasing demand for rapid, on site generation. ERock's 1.7b contracted backlog and production capacity sold out through 2027 and into 2028 create visibility that can support future revenue and EBITDA as projects convert.
What happens to ERock's margins and bargaining power if that pent up demand for quick, flexible power starts to shift the pricing conversation?
That pricing shift is where ERock gets interesting, and the full narrative for ERock explains how accelerating demand, contract structure, and power markets could reshape the opportunity.
MasTec (MTZ)
MasTec plugs directly into the AI data center story, handling the heavy lifting on fiber routes, high voltage power lines, and clean energy projects that keep hyperscale facilities online and cooled.
Rapid acceleration in utility grid modernization, data center build-outs, and renewable energy investment is fueling double-digit revenue growth and record backlog in MasTec's Power Delivery and Clean Energy & Infrastructure divisions.
What really moves the needle now is how one quiet shift in project mix filters through to MasTec's margins as these AI oriented contracts stack up.
MasTec runs a broad infrastructure construction platform across communications, power delivery, pipelines, and clean energy that directly supports AI oriented data centers, with US$3.5b from Communications, US$4.5b from Power Delivery, US$2.6b from Pipeline Infrastructure and US$5.6b from Clean Energy and Infrastructure, and the stock valued around US$16.9b.
That quiet mix shift is the real swing factor, and the full narrative for MasTec explains how MasTec's AI infrastructure backlog could accelerate earnings power while reshaping risk.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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