Top 10 Modular Data Center Companies in 2026 and Liquid Cooling Solutions

As computing demands skyrocket, traditional brick-and-mortar builds are no longer fast enough to keep pace with the digital transformation. Artificial intelligence (AI), edge computing, and complex hybrid cloud strategies require instant scalability, extreme energy efficiency, and bulletproof resilience.

 

Enter the modular data center—a prefabricated, factory-built solution that turns massive infrastructure deployment into a plug-and-play reality. By shifting construction from unpredictable fields to controlled factory floors, companies can slash on-site deployment time by up to 60%.

 

Below is an inside look at the global market explosion, followed by a detailed review of the top 10 companies leading the modular data center revolution.

 

 

The Global Modular Data Center Market Outlook

The global modular data center market is experiencing an unprecedented investment supercycle. Driven largely by the massive power demands of generative AI workloads and rapid 5G infrastructure expansion, the market value is estimated to hit $42.65 billion, climbing aggressively to surpass $101 billion at a compound annual growth rate (CAGR) of over 18%.

 

[2026] $42.65 Billion ───(18.8% CAGR)───► [2031] $101.22 Billion

 

Regional Demand and Dominant Countries

While the demand for a scalable data center modular footprint is global, specific regions and key countries are anchoring the growth:

North America: Holds the largest market share (roughly 40%). Driven by hyperscalers like Meta, Google, and Microsoft rushing to build AI training and inference hubs, the United States remains the single largest consumer of modular layouts, housing nearly 40% of the world’s active facilities.

 

Asia-Pacific (APAC): Positioned as the fastest-growing market. China is expanding exponentially via its national "Eastern Data, Western Computing" strategy, deploying ruggedized modular units into energy-rich western provinces. India follows closely as the fastest-expanding country-level market, registering a massive 16.8% CAGR due to aggressive local digitalization and data-sovereignty mandates.

 

Europe: Germany (centered in Frankfurt) and the UK lead European adoption. The focus here is fiercely tied to strict environmental and circular-economy mandates, driving massive corporate demand for modular units equipped with advanced, direct-to-chip liquid cooling infrastructure to lower Power Usage Effectiveness (PUE).

Top 10 Global Modular Data Center Leaders

1. Schneider Electric
2. Vertiv
3. Huawei
4. Eaton
5. ABB
6. STULZ
7. Rittal
8. Duration
9. BladeRoom Data Centers
10. Northstar Enterprise + Defense

 

 

1. Schneider Electric
CEO: Olivier Blum

Revenue: $44.4bn

Core Focus: EcoStruxure portfolio and full-stack critical component control.

Schneider Electric sits firmly as the undisputed leader of the modular movement. The secret to their dominance lies in vertical control: Schneider manufactures more than 90% of the internal components sitting inside their prefabricated hulls—from the physical racks and row-based cooling systems to the UPS and EcoStruxure monitoring software. Backed by dedicated modular factories distributed across three continents, they offer unparalleled global supply chain predictability, rapid deployment speed, and proven sustainability for any workload, anywhere on Earth.

 

The Takeaway: As power grids face strict capacity limitations and construction costs swell to roughly $11.3 million per megawatt, the data center modular market is no longer a niche alternative. It has become a vital strategic asset for keeping the global AI, cloud, and edge infrastructure supercycle moving forward.

 

2. Vertiv
CEO: Giordano Albertazzi

Revenue: $8bn

Core Focus: Liebert thermal management and multi-megawatt block systems.

Vertiv is a titan in critical digital infrastructure. Their SmartMod solutions scale effortlessly from micro-edge setups to massive multi-megawatt campuses using standardized, repeatable architecture. By weaving its top-tier Liebert power and liquid-cooling hardware into pre-fabricated structures, Vertiv provides the agility needed for fast edge deployment alongside the heavy-duty reliability required by hyperscale cloud providers.

 

 

3. Huawei
CEO: Ren Zhengfei

Revenue: $118.2bn

Core Focus: FusionModule all-in-one stacks with AI-driven optimization.

Huawei stands out by delivering the ultimate all-in-one package. Under its FusionModule umbrella, the tech giant packages power, climate control, enclosure, and the actual integrated IT compute hardware from a single supply chain. Huawei infuses these systems with proprietary AI algorithms that handle predictive maintenance and real-time energy optimization, making them immensely popular across APAC and emerging global markets.

 

 

4. Eaton
CEO: Paulo Ruiz Sternadt

Revenue: $25bn

Core Focus: Power management rooms and intelligent SmartRack modules.

Eaton focuses heavily on solving the biggest bottleneck of the current data boom: power management. Its modular products are essentially pre-engineered, drop-in power rooms equipped with class-leading UPS hardware and intelligent power management software. Eaton’s SmartRack systems allow enterprise environments to rapidly deploy localized edge processing units safely, bridging the gap between local power grids and incoming hardware.

 

 

5. ABB
CEO: Morten Wierod

Revenue: $32.9bn

Core Focus: Complete heavy electrical chain integration and automation.

ABB utilizes its massive global automation footprint to build some of the sturdiest industrial-grade modular systems available. Rather than just making the shell, ABB integrates the complete electrical backbone—including medium-voltage switchgear, massive transformers, intelligent power distribution units (PDUs), and uninterrupted power supplies (UPS). It’s an ideal match for mission-critical industrial applications where even a millisecond of downtime translates to millions lost.

 

6. STULZ

CEOs: Jurgen Stulz, Alexander Stulz, and Paolo Perotti
Scale: 7,000 Employees (Private)

Core Focus: High-density climate control and liquid-cooled modular panels.

STULZ approaches the market with a cooling-first philosophy. Because modern AI and GPU training pods generate intense thermal output, traditional air conditioning can't keep up. STULZ builds its maintenance-free, fireproof modular rooms entirely around its world-class precision cooling mechanisms. This guarantees thermal stability for high-density compute loads while preserving strict energy efficiency.

 

 

7. Rittal
CEO: Prof. Dr. Niko Mohr

Revenue: $3.4bn

Core Focus: Precision industrial enclosures and scalable, systematic building blocks.

Germany’s Rittal brings legendary industrial engineering directly to the modular data center landscape. Their strategy relies on highly standardized, scalable infrastructure kits. Customers can deploy anything from a singular, high-security edge rack to a fully containerized, multi-rack data center block. Because everything uses standardized mechanical layouts, performance and power distribution are entirely predictable.

 

 

8. Durata
Managing Director: John McGee

Scale: <50 Employees (Private)

Core Focus: Bespoke, boutique end-to-end containerized solutions.

Durata is a versatile, agile UK leader providing entirely tailored infrastructure. Instead of pushing rigid, off-the-shelf sizes, Durata manages the entire lifecycle of custom projects—from micro edge data centers to massive containerized setups. Their single-vendor approach removes the friction of managing multiple third-party suppliers, which is perfect for specialized operations with non-standard layout demands.

 

 

9. BladeRoom Data Centres
CEO: William Thornton

Revenue: ~$145m (Via parent BRG Technologies)

Core Focus: Multi-megawatt, high-efficiency cooling-led IT modules.

As a highly regarded British innovator, BladeRoom has built its reputation on deep sustainability. Utilizing a strict factory-built method, the company minimizes carbon footprint and maximizes quality control before shipping blocks globally. BladeRoom's advanced air-matching and cooling techniques dramatically reduce PUE, making them a prime choice for organizations looking to scale without blowing past their carbon targets.

 

 

10. Northstar Enterprise + Defense
CEO: Paul Inglese

Scale: <200 Employees (Private)

Northstar Enterprise + Defense delivers turnkey solutions for AI/ML, enterprise, telecoms, defence and government applications, with a specialised focus on modular and mobile systems that enable rapid deployment in any location worldwide. The company designs, manufactures and constructs pre-engineered modular units for data centres, SCIFs, emergency operations and critical infrastructure. These solutions are built to ensure speed, security and operational continuity. Northstar’s mobile platforms are particularly suited to remote or austere environments and offer scalable configurations to meet varying operational needs.

 

 

Modular Data Center Cooling: Direct-to-Chip Liquid Cooling vs. Air Cooling
As artificial intelligence workloads push computing density to its absolute physical limits, thermal management inside modular data centers has shifted from a routine facility requirement into a complex engineering challenge. Understanding the core differences between traditional air cooling and direct-to-chip (DTC) liquid cooling highlights why the industry is undergoing a massive infrastructure pivot to support AI.

 

 

The Core Differences
The fundamental difference between the two approaches boils down to physics. Water has a specific heat capacity that is roughly four times higher than air, and it carries heat thousands of times more effectively per unit volume.

 

Thermal Transfer Mechanism: Air cooling relies on convective heat transfer. Massive computer room air handlers (CRAHs) push chilled air through a modular containment aisle. Conversely, Direct-to-Chip relies on conductive heat transfer. A closed loop circulates a coolant (often treated water or a glycol mixture) through micro-channel copper cold plates mounted directly on top of high-power processors (CPUs/GPUs), absorbing heat directly at the source.

Rack Density Thresholds: Air cooling hits a definitive physical barrier at roughly 35 kW to 40 kW per rack. To cool a rack beyond this limit with air alone, the airflow velocity required resembles a category-two hurricane. Direct-to-Chip comfortably handles single-phase setups ranging from 60 kW to 100+ kW per rack, and can scale past 200 kW per rack with two-phase systems.

 

Space Footprint: Air cooling requires large physical footprints for hot/cold aisle containment, raised flooring plenums, and expansive overhead ductwork inside the modular container. Direct-to-Chip drastically reduces space requirements by eliminating massive air ducts and relying on compact manifold plumbing, allowing operators to pack significantly more compute power into a standard 20-foot or 40-foot containerized envelope.

 

Hybrid Requirements: While air cooling operates entirely independently, Direct-to-Chip is inherently hybrid. Cold plates typically capture 70% to 80% of a server’s thermal output (the processors and memory). The remaining 20% to 30% of heat—generated by auxiliary components like power supplies and storage drives—must still be cleared out by supplementary chassis fans and air-cooling infrastructure.

Technical Attribute	Air Cooling (Containment / In-Row)	Direct-to-Chip (DTC) Liquid Cooling
Max Practical Density	~35 kW – 40 kW per rack	100 kW – 200+ kW per rack
Heat Capture Efficiency	Low (Air convection: 25–250 W/m²·K)	Ultra-High (Direct contact: 50,000+ W/m²·K)
Target Site PUE	Typically 1.35 – 1.60	Best-in-class 1.05 – 1.15
Upfront CapEx	Lower initial facility cost	Higher deployment cost (CDUs, manifolds)

 

 

Which Handles Modular Data Center Workloads Better?
Direct-to-Chip liquid cooling is the undisputed winner for AI workloads. Silicon architectures designed for AI training and massive LLM inference—such as NVIDIA’s H200 or next-generation Blackwell platforms—draw massive amounts of localized power. Air simply cannot pull heat off these small silicon dies fast enough to prevent immediate thermal throttling.

 

DTC cooling maintains a low, highly stable junction temperature under sustained AI model training, preventing performance degradation and saving operators up to 40% on facility utility overhead by removing the need for energy-intensive mechanical chillers.

 

 

 

Deploying at the Edge: Use Cases & Structural Requirements

Deploying processing power at the "edge" means placing data centers directly where data is generated—often in areas exposed to harsh weather, extreme vibrations, dust, or physical security threats. To survive, these systems rely on ruggedized modular data centers (RMDCs).

 

Primary Use Cases for Edge Modular Data Centers
Ruggedized edge modules are deployed wherever cloud latency is unacceptable, bandwidth is constrained, or local data sovereignty mandates on-site processing:

Smart Manufacturing and Heavy Industry: Inside automotive plants, steel mills, and warehouses, RMDCs handle real-time robotics synchronization, predictive maintenance, and machine-vision quality control while running flawlessly alongside heavy machinery that throws off heat, dust, and continuous floor vibration.

 

Defense, Tactical, and Government Operations: Military agencies and first responders deploy containerized tactical data centers to forward operating bases (FOBs) or disaster zones. These units provide localized command-and-control, processing satellite imagery, drone telemetry, and encrypted intelligence locally when satellite backhaul is compromised.

 

Energy, Mining, and Oil & Gas: Offshore oil rigs, remote desert drilling sites, and isolated wind farms generate terabytes of sensor logs daily. Rather than spending fortunes on high-latency satellite uplinks to beam raw data back to the cloud, ruggedized modules process seismic and operational data on-site to immediately optimize extraction variables.

 

Telecom, 5G, and Multi-Access Edge Computing (MEC): To deliver ultra-low latency, telecom companies place modular edge pods right at the base of cell towers and urban central offices to process localized AI inference, autonomous vehicle routing data, and smart city traffic feeds.

 

 

Structural and Technical Requirements
Standard data centers rely on the building around them for safety. An RMDC, however, is the building. It must feature a self-contained, protective shell capable of shielding standard enterprise IT hardware from the elements:

Environmental Ingress Protection (IP & NEMA): Industrial indoor deployments typically require an IP55 rating, while outdoor implementations mandate IP66 or NEMA 4/4X ratings. This requires heavy-duty, continuously welded steel hulls combined with marine-grade, anti-corrosive coatings and pressurized gasket systems on all door openings to keep out moisture, corrosive salt air, and dust.

 

Thermal Management in Extreme Environments: RMDCs are frequently deployed in environments ranging from desert heat (+120°F) to arctic cold (-40°F). Closed-loop HVAC systems or specialized integrated chillers prevent ambient outside air from ever mixing with internal cabinet air. For sub-zero operations, internal automated space heaters warm the components to safe boot temperatures before power is introduced to the servers.

 

Shock and Vibration Isolation: Heavy manufacturing floors, mining vehicles, and earthquakes introduce structural vibrations that can ruin spinning disks, loosen PCIe connections, or stress delicate fiber optic connections. To comply with standards like MIL-STD-810H, the internal rack frames are structurally decoupled from the main outer steel chassis using heavy-duty, industrial wire-rope isolators or elastomeric dampening mounts.

 

Power Resilience and Grid Isolation: Power grids at the edge are notoriously unstable. RMDCs are built as a self-contained power ecosystem, featuring integrated, ruggedized uninterruptible power supplies (UPS) using lithium-iron-phosphate (LFP) batteries, which handle wide operational temperature swings better than traditional lead-acid equivalents.

 

Physical Security and Hardening: High-security modules frequently seek SCIF (Sensitive Compartmented Information Facility) Accreditation via ICD 705, or compliance with forced-entry and ballistic criteria (UL 752). Features include biometric access-controlled multi-point locking doors, anti-vandalism external shields, perimeter CCTV integration, and interior environmental sensors (smoke, water leak, and door-tamper alarms).

 

 

 

Quick Tip ：

Liquid cooling is essential for the next generation of modular data centers. By efficiently dissipating heat, advanced liquid cooling not only reduces PUE but also extends server lifespan and minimizes hardware wear.

 

Lian Li Liquid Cooling specializes in the research, development, and manufacturing of high-performance liquid cooling solutions, offering complete end-to-end systems—from core components to full-scale deployments. As a global leader in liquid cooling technology, Lian Li delivers solutions that achieve a PUE below 1.15 and energy savings exceeding 30%. All products are cehttps://www.lianliwork.com/Liquid/6.htmlrtified to international standards, including RoHS, CE, and UL, ensuring trusted performance, reliability, and service worldwide.

 

FAQ About Modular Data Center

1. What is a modular data center and how does it work?
A modular data center is a prefabricated, scalable data center solution built with standardized modules, such as racks, cooling units, and power systems. Unlike traditional data centers, modular designs can be quickly deployed, expanded, or relocated, offering flexibility for growing IT demands. This approach reduces construction time, lowers costs, and improves operational efficiency.

 

2. What is driving growth in the modular data center market?
The modular data center market is expanding due to increasing demand for rapid deployment, energy-efficient solutions, and scalable infrastructure. Enterprises, cloud providers, and edge computing applications are adopting modular designs to support AI, big data, and high-performance computing workloads. Rising adoption of liquid cooling and green energy solutions further fuels market growth.

 

3. What are key considerations in modular data center design?
Modular data center design focuses on scalability, energy efficiency, and reliability. Critical elements include standardized power and cooling modules, redundant network connectivity, and flexible layout planning. Effective design ensures rapid deployment, easy maintenance, and compliance with industry certifications such as ISO, CE, and UL, while supporting high-density workloads like AI and HPC.