The global data center construction sector is expanding with artificial intelligence and cloud computing demand. Blackridge's data center market report projects nearly 100 GW of new global data center capacity by 2030 and as much as USD 3 trillion in cumulative investment. The expansion is being supported by AI workloads, which require high-density computing, advanced cooling systems, and increasingly complex power infrastructure.

Top data center construction companies such as AECOM, Holder Construction, Jacobs, Turner Construction Company, DPR Construction, The Whiting-Turner Contracting Company, and Fluor Corporation are helping hyperscale operators design and build massive facilities capable of supporting AI and cloud services. 

In this in-depth article, we explore the top 10 largest data center construction firms in the world according to the total data center capacity delivered, examining their key facilities, infrastructure capacity, and recent developments.

List of Top 10 Largest Data Center Construction / EPC Companies in the World

AECOM

AECOM is the largest data center construction company in the world, ranked by total data center capacity delivered as of March 2026. The company provides end-to-end services, including site selection, architecture, engineering, construction management, and commissioning. 

Over the past 25 years, AECOM has supported the delivery of more than 11 GW of data center capacity across 45 countries, working with enterprise operators, hyperscalers and colocation providers, on mission-critical infrastructure.

Key Data Center Locations

AECOM delivers data center projects across North America, Europe, Asia, and the Middle East, supporting hyperscale campuses and digital infrastructure developments in major cloud markets such as the United States, Spain, India, and the Asia-Pacific region.

Capacity / Infrastructure

The company has supported 11+ GW of global data center capacity through design, engineering, and construction management services. Projects range from standalone enterprise facilities to multi-building hyperscale campuses exceeding hundreds of megawatts. 

AECOM also works on large-scale digital infrastructure programs that include fiber networks, subsea cable landings, and utility power infrastructure required for hyperscale deployments.

Key Features or Services

AECOM provides full lifecycle delivery for data center construction, including site due diligence, power infrastructure design, cooling systems, and commissioning. Its expertise includes high-density liquid cooling systems for AI and HPC workloads, fiber and subsea connectivity infrastructure, and large-scale water and wastewater systems designed to support hyperscale data center campuses. 

The largest data center construction firm also assists operators in navigating regulatory approvals, energy planning, and sustainability strategies for mission-critical infrastructure.

Recent Developments

1. Dec 2025: Selected by Nostrum Data Centers to lead design and construction management for the EUR 1.9 billion Nostrum Evergreen data center project in Badajoz, Spain, expected to reach 500 MW capacity.

2. AECOM is serving as the general contractor for DataBank’s IAD5 campus in Culpeper, Virginia, a 192 MW, 1.4 million sq ft hyperscale facility.

3. The company continues expanding its data center engineering and construction portfolio in India, where domestic projects account for about 80% of its local data center business.

Holder Construction

Holder Construction is one of the leading data center construction contractors in the United States, specializing in the delivery of hyperscale and mission-critical infrastructure for cloud providers, colocation operators, and telecom companies. 

The company has built a strong reputation for delivering large-scale digital infrastructure projects and has completed more than 550 data and telecom projects, making it one of the most experienced builders in the sector.

Key Data Center Locations

Holder Construction primarily delivers data center campuses across major U.S. hyperscale markets, including states such as Arizona, Virginia, and other large cloud infrastructure hubs where demand for hyperscale computing continues to grow.

Capacity / Infrastructure

The company has delivered more than 6.4 GW of data center capacity across the United States, representing over USD 50 billion in construction volume. Its projects range from single hyperscale buildings to multi-building campuses designed to support hundreds of megawatts of IT load and millions of square feet of data center space.

Key Features or Services

Holder Construction specializes in hyperscale campus construction, mission-critical project management, and large-scale digital infrastructure delivery. Its projects often include energy-efficient infrastructure, water-neutral cooling strategies, and scalable campus designs that can support the rapid expansion requirements of hyperscale cloud and AI operators.

Recent Developments:

1. 2024-2025: Selected by EdgeCore Digital Infrastructure to build a USD 1.9 billion hyperscale data center campus in Arizona.

2. The 10th Gen campus is designed to support at least 450 MW of critical IT load across approximately 3.1 million square feet of space.

Jacobs

Jacobs Utah data center concept

Jacobs is a leading global engineering, consulting, and design firm specializing in mission-critical infrastructure, including hyperscale data centers. The company provides integrated services spanning campus planning, architecture, engineering, construction management, and commissioning. 

Jacobs has delivered over 5 GW of data center space and is consistently ranked among the top data center design and engineering firms.

Key Data Center Locations

Jacobs supports major hyperscale and enterprise data center programs across North America, Europe, the Middle East, Asia-Pacific, and India. Its global delivery programs include multi-campus developments for technology companies across the United States, EMEA, and APAC regions.

Capacity / Infrastructure

Over the past decade, Jacobs has contributed to projects representing 3.6 GW of IT load, with more than USD 30 billion in construction value and approximately 17 million square feet of data center space delivered. Its portfolio includes hyperscale campuses, colocation facilities, and specialized computing environments such as command centers and research facilities.

Key Features or Services

Jacobs provides end-to-end mission-critical infrastructure services, including campus master planning, site selection, architecture and engineering, construction management, and commissioning. 

The data center construction firm focuses on AI-ready infrastructure, advanced cooling systems, digital twin technologies, and energy-efficient campus design. Its teams also support power infrastructure planning, water management systems, and sustainable cooling strategies required for large hyperscale facilities.

Recent Developments:

1. Selected by Start Campus to support the development of the SINES DC Campus in Portugal, a USD 9.4 billion hyperscale project expected to deliver 1.2 GW of IT capacity powered entirely by renewable energy.

2. Working with NVIDIA on Omniverse Blueprint for AI factory digital twins, enabling simulation and optimization of next-generation AI data center infrastructure.

3. Began work on a USD 10 billion hyperscale data center project for Hut 8 in Louisiana, highlighting the rapid growth of AI infrastructure projects in the United States.

4. Selected by PsiQuantum to deliver planning and engineering services for a utility-scale quantum computing facility in Brisbane, Australia.

Turner Construction

Turner Construction Company is the largest construction contractor in the United States and a major builder of hyperscale and AI data center campuses worldwide. Headquartered in New York, the company delivers large-scale mission-critical infrastructure for hyperscalers, cloud providers, and colocation operators. 

Key Data Center Locations

Turner delivers data center projects across North America, Europe, and Asia, with major projects in Indiana, Pennsylvania, Louisiana, Wisconsin, Spain, and Malaysia. The company also builds large hyperscale campuses across key U.S. cloud markets.

Capacity / Infrastructure

Turner reported USD 29.2 billion in revenue in 2025 and a record USD 44.3 billion project backlog, with around 37-40% tied to data center construction. The company manages hundreds of projects globally and is involved in multi-billion-dollar hyperscale developments, including AI-optimized campuses and high-density facilities designed for liquid-cooled computing clusters.

Key Features or Services

Turner specializes in hyperscale data center construction, mission-critical project management, and large-scale campus development. Its services include construction management, infrastructure delivery, and integration of advanced cooling and power systems required for AI workloads. 

The company is also adopting construction technology and AI-driven tools, including collaborations with technology firms to improve project delivery and operational efficiency.

Recent Developments:

1. 2024: Selected to build a hyperscale data center campus for Meta Platforms in Richland Parish, Louisiana, a USD 800 million project within a broader USD 10 billion investment for the facility.

2. Nov 2024: Awarded a USD 2 billion expansion project for Vantage Data Centers.

3. Working with partners, including Mortenson and Wohlsen Construction, on a USD 6 billion AI-focused data center for CoreWeave in Pennsylvania.

4. Participating in large-scale AI infrastructure developments, including projects tied to the Stargate program backed by OpenAI, as well as hyperscale builds in Madrid and Cyberjaya, Malaysia.

DPR Construction

DPR Construction is a major U.S. mission-critical contractor specializing in hyperscale and enterprise data center development. The company works closely with hyperscalers and technology firms as a strategic delivery partner, often integrating directly with client teams to improve efficiency, innovation, and long-term operational performance. 

Since completing its first data center project in 1997, DPR has delivered more than 1.5 GW of critical data center load capacity.

Key Data Center Locations

DPR delivers projects across key hyperscale markets in the United States, including Washington, Louisiana, and other major digital infrastructure hubs. Its clients include major technology companies and colocation operators such as Meta Platforms and Vantage Data Centers.

Capacity / Infrastructure

Mission-critical infrastructure is a core part of DPR’s business, accounting for around 31% of the company's revenue in 2024. The company has delivered numerous hyperscale facilities featuring high-density compute infrastructure, advanced power systems, and modular cooling architectures designed to support AI and cloud workloads.

Key Features or Services

DPR focuses on advanced construction delivery for hyperscale campuses, using virtual design and construction (VDC), prefabrication, and integrated mechanical-electrical-plumbing (MEP) systems. These methods help accelerate construction timelines, improve energy efficiency, and support high-density AI infrastructure, including direct-to-rack liquid cooling systems.

Recent Developments:

1. Partnering with Turner Construction Company and Mortenson to deliver Meta Platforms’ largest data center campus in Richland Parish, Louisiana.

2. Delivered the Content Portal Data Center (Phases I–III) in Quincy, Washington, a 155,000-square-foot facility with high-density infrastructure and modular power systems.

3. Building the WA13 hyperscale facility for Vantage Data Centers in Quincy, Washington, a 550,000-square-foot greenfield data center developed as part of a multi-year campus expansion program.

Whiting-Turner Contracting

Whiting-Turner Contracting Company is a major U.S. general contractor specializing in large-scale mission-critical infrastructure, including hyperscale and enterprise data centers. 

Headquartered in Baltimore, the company delivers complex digital infrastructure projects for major technology firms and cloud providers, supporting the rapid expansion of AI, cloud computing, and hyperscale data center campuses across North America.

Key Data Center Locations

Whiting-Turner has delivered or is currently constructing data centers across major U.S. hyperscale markets, including Oregon and Wisconsin, where large cloud and AI campuses are expanding rapidly. The company works with major technology clients such as Google and large colocation providers, including Vantage Data Centers.

Capacity / Infrastructure

The contractor is involved in multi-billion-dollar hyperscale developments designed to support high-density cloud and AI workloads. These projects often include multiple data hall buildings, extensive electrical infrastructure, and scalable cooling systems capable of supporting next-generation compute clusters.

Key Features or Services

Whiting-Turner provides general contracting, construction management, and mission-critical infrastructure delivery for hyperscale and enterprise data centers. The company specializes in managing large multi-phase campuses, coordinating complex power and cooling systems, and delivering facilities designed for high-availability computing environments required by hyperscale operators.

Recent Developments

1. Jan 2024: Selected by Google to build a USD 600 million data center in Oregon, supporting the expansion of the company’s U.S. cloud infrastructure.

  2. Dec 2025: Participating in the first phase of the USD 15 billion Lighthouse Campus in Wisconsin, developed by Vantage Data Centers. The USD 8 billion initial phase will be built by a consortium including Whiting-Turner, The Weitz Company, Michels Corporation, and a joint venture between Turner Construction Company and McCarthy Building Companies, with completion expected by 2028.

Fluor Corporation

Fluor Corporation is a global engineering, procurement, and construction (EPC) firm that delivers large-scale data center infrastructure for hyperscalers, cloud providers, and enterprise operators.

The company provides an integrated multidisciplinary approach combining engineering, project management, and construction services to rapidly deliver mission-critical facilities. Fluor focuses on designing and building highly reliable, energy-efficient data centers tailored to client requirements for availability, scalability, and operational resilience.

Key Data Center Locations

Fluor has delivered data center projects across Europe and Asia, including major facilities in India, Finland, and the Netherlands. The company supports hyperscale and colocation developments across multiple global markets through a network of regional engineering teams and global technical specialists.

Capacity / Infrastructure

Fluor’s projects include large multi-building data center campuses designed for hyperscale and colocation deployments. Facilities delivered by the company typically range around 250,000 square feet per building with power capacities of approximately 60 MW, reflecting the scale required for modern AI and cloud infrastructure.

Key Features or Services

Fluor offers a full suite of engineering, procurement, and construction management (EPCM) services for data center developments. Its capabilities include preconstruction planning, value engineering, supply chain optimization, and constructability reviews. 

The company focuses on accelerating time-to-market while ensuring high reliability, safety performance, and efficient power and cooling infrastructure for mission-critical operations.

Recent Developments:

1. Delivered engineering, procurement, and construction management for two advanced colocation data centers in India for a confidential Fortune 500 client, completing the project with 14.5 million safe work hours.

2. Provided general contractor services for two 60 MW data centers in Finland, each around 250,000 square feet, including preconstruction planning and program-level execution.

3. Managed construction for two 60 MW data centers in the Netherlands on a single campus, delivered in phases with optimized supply chain and scheduling.

4. Following recent data center project completions in India and Europe, the company is expanding its focus toward hyperscale data center projects in the USA to support growing demand for AI computing.

Mortenson

Mortenson meta data center

Mortenson is a U.S.-based engineering and construction firm specializing in hyperscale and mission-critical data center infrastructure. The company delivers large AI-ready campuses for major technology firms and cloud providers, combining construction expertise with modular delivery and advanced electrical infrastructure.

Mortenson has become a key partner for hyperscalers expanding global digital infrastructure with more than 20 years of data center construction experience.

Key Data Center Locations

Mortenson has built and delivered data centers across major U.S. technology hubs, including Utah, Illinois, Arizona, Minnesota, Louisiana, and Indiana. Major projects include developments in Eagle Mountain, Utah, Chicago, Illinois, and large hyperscale campuses in the Midwest.

Capacity / Infrastructure

Mortenson currently has around 8.5 GW of data center capacity under construction and employs 750+ data center specialists nationwide. 

Hyperscale campuses delivered by the company can span hundreds of thousands to millions of square feet, requiring extensive infrastructure such as power substations, fiber connectivity, and large underground duct bank networks for electrical and data cables.

Key Features or Services

The company provides end-to-end delivery across the full lifecycle of hyperscale campuses, including:

• Site feasibility and market intelligence to assess power availability, land, and permitting conditions

• Site grading and preparation, including earthworks and drainage

• Modular and prefabricated construction, allowing electrical and mechanical systems to be built off-site to accelerate delivery

• Core and shell construction of the data center facility

• Data center fit-out, including power, cooling, security, and IT systems

• Substation and electrical distribution infrastructure, including medium-voltage systems and large duct bank networks

• Fiber and connectivity infrastructure, ensuring full ISP and network integration

 Recent Developments

1. Selected by Turner Construction Company to build a USD 10 billion Meta Platforms data center campus in Indiana. The 4-million-square-foot campus is expected to support Meta’s expanding AI infrastructure and create thousands of construction jobs during peak activity.

2. Developing a major hyperscale campus in Eagle Mountain, Utah, where the project requires more than 40 miles of underground duct bank to house electrical and network cables across the site.

EQUANS (Equans Data Centers)

EQUANS is a European engineering and construction company specializing in mission-critical infrastructure, including hyperscale and colocation data centers. The company provides end-to-end delivery across the entire lifecycle of data center projects, including design, engineering, construction, commissioning, and maintenance. 

Its integrated approach focuses on reliability, environmental efficiency, and scalable infrastructure designed to meet the growing needs of cloud and AI workloads across Europe.

Key Data Center Locations

EQUANS has delivered and operates data center infrastructure across several European markets, including France, Italy, Switzerland, Austria, Belgium, and the Netherlands. Notable projects include facilities for major colocation providers such as Digital Realty and Vantage Data Centers, as well as research infrastructure for CERN.

Capacity / Infrastructure

EQUANS has built hyperscale and enterprise facilities ranging from 20 MW to more than 30 MW of IT capacity, with large data halls exceeding 10,000-12,500 m² of net IT space. 

These projects typically feature N+1 redundancy, scalable infrastructure architecture, and energy-efficient cooling and power systems designed for high-density compute environments.

Key Features or Services

The company focuses on solving seven major infrastructure challenges associated with modern data centers:

• Infrastructure design and rapid construction, including engineering, project management, and commissioning

• High reliability, incorporating fire protection, security systems, and compliance with international standards

• Environmental control, including advanced HVAC systems

• Energy efficiency and heat recovery strategies

• Reduction of environmental impact, including carbon-reduction initiatives

• Electrical infrastructure, including high-voltage substations and renewable energy integration

• Lifecycle maintenance, ensuring long-term operational stability

 Recent Developments:

1. Delivered the PAR13 data center in Paris for Digital Realty, providing 12,500 m² of net IT space and 30 MW of IT power with N+1 redundancy architecture.

2. Built a 32 MW hyperscale data center facility in Milan for Vantage Data Centers, designed to support scalable cloud deployments with high energy efficiency.

3. Began construction of a new data center for CERN in 2022, a 6,400 m² facility that will expand from 4 MW capacity in 2023 to 12 MW by 2033, with a PUE below 1.15.

4. Delivered multiple projects across Europe, including hyperscale infrastructure in the Netherlands, a 20 MW data center near Brussels, and modernization projects such as the University of Leiden data center upgrade.

Collen Construction

Collen Construction is an international construction company specializing in mission-critical infrastructure, particularly hyperscale and enterprise data centers. Headquartered in Ireland, the firm operates across Ireland, Germany, and Sweden and is ranked among the top five building contractors in Ireland.

Key Data Center Locations

Collen has built data center facilities across major European digital hubs, including Ireland, Germany, and Sweden. The company has also worked with hyperscale clients such as Amazon Web Services, supporting the expansion of cloud infrastructure in Ireland.

Capacity / Infrastructure

The company delivers hyperscale and enterprise data center facilities with tens of megawatts of IT capacity, often located in major European connectivity hubs such as Frankfurt. Its projects include advanced power, cooling, and network infrastructure designed to support high-density computing and large-scale cloud operations.

Key Features or Services

Collen provides full turnkey data center construction services, covering procurement, installation, commissioning, and fit-out. The company works closely with engineering and design teams to deliver complete mission-critical facilities ready for operational deployment. 

Recent Developments:

1. Completed Data Centre F2 in Frankfurt, a 27 MW hyperscale facility located in one of Europe’s most important connectivity hubs.

2. Expanded operations in Germany and Sweden as demand for hyperscale cloud infrastructure continues to grow across Europe.

3. Worked as a supplier to Amazon Web Services on multiple data center projects in Ireland, helping support the expansion of AWS cloud infrastructure in the region.

Conclusion

The scale of modern projects highlights how critical these builders have become to the global AI economy. Hyperscale campuses now regularly reach hundreds of megawatts to gigawatt scale, including projects such as the 1 GW Hyperion campus by Meta Platforms in Indiana and multiple multi-gigawatt Stargate AI campuses under development in the United States. Major developers such as Amazon data center projects, Vantage Data Centers, and Compass Datacenters are planning massive facilities to meet demand from AI training and cloud services. 

Delivering these complex projects requires collaboration between hyperscalers and leading data center construction companies, which provide the engineering expertise, project management, and infrastructure delivery needed to build the next generation of global digital infrastructure.

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