Data Center & Digital Infrastructure Stocks

Nebius builds and operates AI-focused cloud infrastructure, combining owned data centers, NVIDIA GPU capacity, and cloud software services. It provides GPU compute, storage, and managed tools to AI developers and enterprises, and it has signed large multi-year capacity agreements with major technology companies. It is a vertically integrated neo-cloud data-center operator.

CoreWeave operates a cloud platform built around large fleets of NVIDIA GPUs hosted in data centers, delivering compute for AI training and inference. It rents GPU capacity to AI labs, hyperscalers, and enterprises under multi-year contracts and reports a large contracted revenue backlog. It is among the largest GPU-cloud data-center operators.

Super Micro Computer designs and builds high-performance servers, storage, and rack-scale systems, including GPU servers and complete data-center racks. It supplies hyperscalers, cloud providers, and enterprises with AI and high-density compute hardware and offers direct liquid-cooling rack solutions. It is a core data-center server and rack vendor.

IREN owns and operates data centers powered largely by renewable energy, running an AI cloud business alongside bitcoin mining. It has signed multi-year AI cloud contracts with large technology customers and has delivered purpose-built liquid-cooled capacity to a hyperscale tenant. It operates across both the power-and-campus layer and the GPU-cloud layer.

Applied Digital designs, builds, owns, and operates large purpose-built data centers in the United States for high-performance computing and AI workloads. It leases capacity at multi-hundred-megawatt campuses to cloud and AI tenants under long-term agreements and is developing additional campuses. It supplies the power, cooling, and space that large GPU clusters require.

Cipher Digital develops, owns, and operates industrial-scale data centers in the United States, with campuses built for AI and high-performance computing tenants. It has signed multiple long-term campus leases with hyperscale customers and finances construction through secured debt. It also operates bitcoin mining capacity alongside its AI data-center portfolio.

Core Scientific owns and operates large-scale data centers in the United States and provides high-density colocation services for AI and high-performance computing customers. It has signed long-term capacity agreements with compute and chip customers covering hundreds of megawatts across multiple sites, and it continues to expand gross power at its campuses. It is a colocation operator serving AI workloads.

Arista Networks builds high-speed Ethernet switches and network software used to connect servers and storage inside cloud and AI data centers. Its switching platforms and EOS operating system are widely deployed by hyperscalers and large enterprises for low-latency, high-bandwidth networking. It is a leading data-center and AI-cluster networking vendor.

Marvell designs data-center connectivity and custom silicon, including optical interconnect chips, Ethernet switching, and accelerators built for hyperscalers. Its products move and process data inside AI and cloud data centers, making it a core supplier of the networking and custom-compute silicon used in large computing facilities.

Eaton is a power-management company that makes electrical equipment including switchgear, uninterruptible power supplies, busways, and power distribution used in data centers. It completed an acquisition of Boyd Thermal to add liquid-cooling capability, integrating power and cooling at the rack level. Data centers are a significant and growing part of its electrical business.

Constellation Energy is a US power producer with a large nuclear fleet and, after acquiring Calpine, substantial natural-gas generation. It has signed long-term agreements to supply electricity to data centers, including a multi-year deal tied to restarting a nuclear unit. It is positioned as a power supplier for AI compute demand.

American Tower is a communications-infrastructure REIT that owns and leases wireless towers and rooftop sites worldwide to mobile carriers. Through its CoreSite business it also owns and operates United States data centers and interconnection facilities, giving it colocation exposure alongside its tower portfolio. Its sites carry both wireless traffic and enterprise cloud connections.

Astera Labs designs connectivity semiconductors and hardware that move data inside AI and cloud data centers. Its smart fabric products, including retimers, gearboxes, and fabric switches built around PCIe, CXL, and Ethernet, link GPUs, CPUs, and memory at high speed. It targets rack-scale AI infrastructure interconnect.

Credo Technology designs high-speed connectivity products for data centers, including active electrical cables, SerDes chiplets, retimers, and optical digital signal processors. Its hardware conditions signals between servers, switches, and accelerators in AI and cloud infrastructure. It is building a connectivity stack spanning electrical and optical interconnect for scale-up and scale-out networks.

Celestica designs and manufactures data-center hardware, including rack-scale AI systems, high-speed Ethernet switches, and storage platforms for hyperscale customers. It works with chip makers on rack-scale AI platforms and sells its own data-center networking switch line. Its hardware platform business serves cloud and AI data-center operators.

Iron Mountain provides records storage and information management and operates a data-center business that develops and leases colocation and hyperscale capacity. Its data-center segment serves enterprises and cloud providers, complementing its legacy storage operations within a real estate investment trust structure. It reports data-center leasing separately from its storage business.

Talen Energy is an independent power producer that owns generation including the Susquehanna nuclear plant in Pennsylvania. It has signed long-term agreements to supply electricity directly to data centers, including an expanded nuclear offtake arrangement with Amazon, positioning it as a power supplier to large compute campuses. It is an AI-power generation name.

Hut 8 is an energy infrastructure platform that develops and operates power and data-center campuses in North America. It has commercialized large AI data-center capacity under long-term IT leases and holds utility capacity to support further buildout. It also retains bitcoin mining exposure alongside the AI hosting business.

TeraWulf owns and operates data centers powered largely by low-carbon energy, running bitcoin mining alongside an AI and high-performance computing hosting business. It has signed long-term AI infrastructure leases with compute tenants covering many years of contracted revenue, and it has reshaped its portfolio to fund wholly owned AI capacity.

GDS Holdings develops and operates high-performance data centers in China and other Asian markets, providing colocation and managed hosting for cloud providers, internet companies, and enterprises. It builds large wholesale and hyperscale facilities and is expanding capacity to meet cloud and AI computing demand.

Bitdeer builds and operates data centers for AI, high-performance computing, and bitcoin mining across several countries. It has converted campus capacity to AI and HPC use and signed long-term colocation leases with compute tenants, including a multi-year agreement covering a Norwegian site. It also develops its own mining hardware.

VNET Group is a carrier-neutral data-center operator in China that builds and operates colocation and wholesale data centers and provides hybrid cloud and network services. It hosts computing infrastructure for internet, cloud, and enterprise customers, expanding wholesale capacity to serve growing AI and cloud demand.

WhiteFiber provides AI cloud infrastructure, renting GPU computing capacity and operating its own data centers built for high-performance and AI workloads. It has moved sites from construction into active customer deployment and adds capacity through partnerships with other operators. It combines owned facilities with GPU cloud services.

TSS integrates and deploys AI and high-performance computing infrastructure for data centers, building and configuring server racks before they reach the facility floor. It also provides facility management and technology consulting for data-center operators. Systems integration for AI hardware makes up a substantial share of its revenue.

Dell Technologies makes servers, storage, and networking systems for data centers alongside its PC business. Its PowerEdge servers, including GPU-dense AI configurations with liquid cooling, supply hyperscalers and enterprises building AI and cloud infrastructure. Its infrastructure-solutions segment is a major data-center hardware supplier.

GE Vernova makes power-generation and electrification equipment, including gas turbines, grid hardware, and electrical systems. Its turbines and grid products are increasingly ordered to supply and connect data centers, and its electrification segment has booked large data-center-related equipment orders. It supplies the generation and grid infrastructure behind compute campuses.

Corning makes optical fiber, cable, and connectivity hardware used to link servers, racks, and data centers. It supplies fiber, connectors, and emerging fiber-to-the-chip and co-packaged optics products designed for the density and bandwidth of AI data centers. Its optical-communications business is a core supplier of data-center connectivity.

Quanta Services provides infrastructure construction and engineering for electric power, including transmission lines, substations, and grid connections, plus utility and communications work. Its capabilities support the grid upgrades and electrical buildout required to power data centers. It is one of the largest specialty infrastructure contractors in North America.

Lumentum makes photonic products, including optical transceivers, lasers, and components used for high-speed connections inside and between data centers. Its optical interconnect technology supports the bandwidth that AI clusters require across rack-level and facility-level architectures. Cloud and AI data-center customers are a core part of its business.

Hewlett Packard Enterprise makes servers, storage, networking, and supercomputing systems for data centers, including GPU and liquid-cooled AI systems and its GreenLake services. Its 2025 acquisition of Juniper Networks substantially expanded its data-center and campus networking portfolio. It supplies compute, storage, and networking across enterprise and high-performance computing.

Bloom Energy makes solid-oxide fuel-cell power platforms that generate on-site electricity from natural gas, biogas, or hydrogen. Its systems provide always-on power for data centers and other large facilities, and it has partnerships to supply power for AI data-center campuses.

Comfort Systems USA designs, installs, and services mechanical, electrical, and plumbing systems, including HVAC and cooling. It builds intricate cooling and modular systems for data centers and is expanding prefabrication and modular capacity to meet demand from AI, cloud, and high-performance computing projects. It is a mechanical contractor for data-center construction.

Coherent makes photonics and optical components, including transceivers and lasers used for high-speed connections inside and between data centers. Its optical interconnect products support the bandwidth needed for AI clusters, and it has agreements with chip makers to advance next-generation data-center optics. It is an optical-networking supplier for AI infrastructure.

Ciena makes optical and routing systems that carry high-capacity traffic across networks and between data centers. Its data-center interconnect platforms and coherent optics are used by cloud providers and carriers to link facilities over long distances. It supplies the metro and long-haul optical layer that connects computing sites.

Vistra is an independent power producer that owns a large fleet of natural-gas, nuclear, and other generation across US markets. It has pursued agreements to supply power to data centers, including arrangements connected to nuclear plants and potential small modular reactors. It is one of the independent power producers tied to data-center electricity demand.

Everpure, formerly Pure Storage, makes all-flash data-storage systems and storage software for data centers and cloud environments. Its arrays and storage-as-a-service offerings hold and serve the large datasets used by enterprise and AI workloads, and it has announced storage design wins with large hyperscale customers. It trades on the NYSE under the ticker P.

Crown Castle is a US communications-infrastructure REIT that owns and leases wireless towers to mobile carriers. After closing the sale of its fiber and small-cell businesses on May 1, 2026, it is now a pure-play US tower REIT rather than a fiber operator. Its towers support the wireless networks within the broader digital-infrastructure category.

IES Holdings designs and installs integrated electrical and technology systems, and it names data centers among the end markets it serves. Its work covers the power distribution, cabling, and connectivity infrastructure inside large computing facilities. Data centers are one part of a broad electrical and infrastructure services business.

nVent Electric makes electrical connection and protection products, including enclosures, power distribution, and thermal management. Its data-center line covers liquid cooling and rack-level infrastructure for high-density computing, and it has expanded manufacturing capacity for liquid cooling. Data centers are a growing end market within a broad electrical portfolio.

SBA Communications is a wireless-infrastructure REIT that owns and operates communications towers and other antenna sites, leasing space to mobile carriers and other tenants across the Americas and other regions. It also provides site development services. Its towers are part of the wireless backbone within the broader digital-infrastructure category.

Sterling Infrastructure provides site development and construction services, and it names data centers among the mission-critical markets served by its E-Infrastructure segment. That work includes excavation, grading, drainage, utilities, and paving for large data-center campuses. Data centers sit alongside transportation and building work in a broad infrastructure business.

Modine makes thermal-management products including cooling and heat-transfer systems. Its Airedale data-center line covers air and liquid cooling for operators building higher-density facilities for AI and cloud workloads, and it has signed multi-year capacity agreements with data-center customers. Data-center cooling sits alongside its industrial and vehicle businesses.

Powell Industries makes custom-engineered equipment for the management, control, and distribution of electrical energy, including switchgear and power control rooms. It lists data centers among the markets it serves, supplying the electrical distribution equipment that large computing facilities require. Data centers sit alongside its oil and gas and utility markets.

Lumen Technologies operates a large fiber network and sells connectivity and network services to enterprises and carriers. Its backbone carries traffic between cloud regions and data centers, and it has added software-defined networking capability through acquisition. It supplies the metro and long-haul fiber that links computing sites.

Galaxy Digital operates in digital assets and owns data-center infrastructure, including a Texas campus developed for AI and high-performance computing tenants. It has delivered contracted critical IT load to a GPU-cloud operator and acquired additional land for campus development. Data centers sit alongside its digital-asset financial services business.

Uniti Group is a fiber and communications-infrastructure company that owns and operates fiber networks across the United States. After completing the Windstream merger, it provides fiber connectivity, dark fiber, and wavelengths to carriers, enterprises, and other customers, supplying the long-haul and metro fiber that links networks and data centers.

EMCOR Group provides mechanical and electrical construction and facilities services in the United States. It installs and maintains electrical power, HVAC, and other building systems, including work on data-center and mission-critical projects. Data centers are one part of a broad construction and services business across many sectors.

Hubbell makes electrical and utility equipment, including power-distribution, grid, and connection products. Its utility-solutions and electrical-solutions products are used in the power delivery and electrical systems that supply data centers. Data centers are a growing end market within a broad electrical and utility-products portfolio.

Jacobs Solutions is an engineering and professional-services firm that designs and manages complex infrastructure projects. Its work includes planning, design, and program management for data centers and the supporting power, water, and site infrastructure. Data centers are one area within a broad engineering and consulting business spanning many sectors.