# Data Center General Contractors

> Compare 64 data center general contractors by ENR rank, revenue, delivery model and own-crew trades. HITT leads ENR’s 2026 telecommunications ranking with $10.65 billion of 2025 sector revenue, ahead of Turner ($9.33 billion), Holder and DPR; ENR’s top 20 billed $83.4 billion. Records cover North America, Europe, the Middle East and Asia-Pacific, each with dated sources.

Who builds data centers, ranked by what they billed, how they contract and what their own crews build. 64 contractors, each field linked to its public source, last verified 2026-11-11.
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## Data
- [Data center general contractors, ranked](https://datacentergeneralcontractors.com/): the full comparison table
- [Data (JSON)](https://datacentergeneralcontractors.com/data.json): every record with sources
- [Data (CSV)](https://datacentergeneralcontractors.com/data.csv): one row per contractor
- [Methodology](https://datacentergeneralcontractors.com/methodology/): what each field means and how it is verified

## Contractors
- [AECOM Tishman](https://datacentergeneralcontractors.com/aecom-tishman/): The construction management arm of AECOM, delivering 70% of its 2025 work as CM at risk, including critical infrastructure and interiors for Sentinel Data Centers in New York.
- [Black & Veatch](https://datacentergeneralcontractors.com/black-and-veatch/): Engineer-constructor that delivers full EPC for data center campuses with their substations, generation and water, for hyperscale, colocation and neocloud operators.
- [Bouygues Construction](https://datacentergeneralcontractors.com/bouygues-construction/): French group that has delivered 800 MW+ of data center installations worldwide from design through commissioning, including AirTrunk’s hyperscale campus in Australia.
- [Brasfield & Gorrie](https://datacentergeneralcontractors.com/brasfield-and-gorrie/): Birmingham builder with 5,000+ employees that sells design-build as one contract and one team, self-performs concrete and sitework, and builds hyperscale and enterprise data centers for clients including DataBank and DC BLOX.
- [Burns & McDonnell](https://datacentergeneralcontractors.com/burns-and-mcdonnell/): Kansas City engineer-constructor that takes data centers from site selection through design and construction under one turnkey design-build contract.
- [Cap Ingelec](https://datacentergeneralcontractors.com/cap-ingelec/): French design-and-build data centre contractor building Telehouse’s TH3 Paris Magny 2 expansion, with a 1.3 design PUE on the second module.
- [Clark Construction](https://datacentergeneralcontractors.com/clark-construction/): McLean, Virginia builder, No. 15 on ENR’s 2026 Top 400, that builds data centers in Northern Virginia as general contractor, including NTT’s 24 MW VA6 in Ashburn.
- [Clayco](https://datacentergeneralcontractors.com/clayco/): Chicago design-builder with 10.2 GW of data center capacity delivered or underway and 72 active data center projects, self-performing concrete for clients including Galaxy Digital, Related Digital and Equinix.
- [Clune Construction](https://datacentergeneralcontractors.com/clune-construction/): Employee-owned Chicago builder with 1.4 GW+ of active data center projects and $2.6 billion of 2025 mission critical volume, building for Serverfarm, Stream and Prime Data Centers.
- [Collen Construction](https://datacentergeneralcontractors.com/collen-construction/): Dublin design-and-build contractor that has delivered 600 MW+ of hyperscale and colocation capacity since 2010 across Ireland, the UK and Europe.
- [CPB Contractors](https://datacentergeneralcontractors.com/cpb-contractors/): Australian contractor recruiting its project delivery team for a data centre project in Kurri Kurri, New South Wales.
- [DPR Construction](https://datacentergeneralcontractors.com/dpr-construction/): Self-performing general contractor with 2,716 mission critical projects since 1990, 202 of them design-build, building for Digital Realty, QTS, Meta, Vantage and Crusoe in the US and Europe.
- [EllisDon](https://datacentergeneralcontractors.com/ellisdon/): Canadian general contractor that built Ericsson’s 56 MW data centre in Vaudreuil-Dorion, Québec through its EllisDon DIVCO joint venture.
- [Equans Data Centers](https://datacentergeneralcontractors.com/equans-data-centers/): Bouygues group data center contractor with 640 MW+ of IT capacity delivered, covering engineering, construction, substations, fit-out and five-stage commissioning for operators such as Colt DCS.
- [Exyte](https://datacentergeneralcontractors.com/exyte/): German design-build specialist for advanced-technology facilities that booked close to €750 million in 2026 for three Frankfurt-area data centers totalling about 80 MW, with offsite manufacturing and digital commissioning.
- [FDC Construction & Fitout](https://datacentergeneralcontractors.com/fdc-construction-and-fitout/): Australian builder that converted an industrial building into AirTrunk’s 84 MW+ Melbourne hyperscale facility in 52 weeks using prefabricated electrical and mechanical modules.
- [Fluor](https://datacentergeneralcontractors.com/fluor/): Engineer-constructor that sells full EPC delivery for data center campuses, signed with TeraWulf for a Kentucky campus with up to 480 MW of grid power, and has built 60 MW halls in Finland and the Netherlands.
- [Fortis Construction](https://datacentergeneralcontractors.com/fortis-construction/): Portland builder with 92% of its 2025 revenue in data centers and telecom, No. 10 on ENR’s data center list, building hyperscale halls in the US and a 40 MW campus in Finland.
- [Gammon Construction](https://datacentergeneralcontractors.com/gammon-construction/): Builds multi-storey data centres in Asia, including Global Switch’s Woodlands facility in Singapore, with precast structures and off-site MEP assembly.
- [Gilbane Building Company](https://datacentergeneralcontractors.com/gilbane-building-company/): Family-owned since 1870, with 4,000+ employees and 45+ offices, Gilbane builds data centers by design-build, IPD or construction management, including powered-base buildings for Digital Realty.
- [Glencar Construction](https://datacentergeneralcontractors.com/glencar-construction/): Contractor delivering the final cold-shell phase of Pure DC’s Brent Cross data centre campus in North London.
- [Gray](https://datacentergeneralcontractors.com/gray/): Lexington design-builder with 1,900 MW+ of data center capacity delivered across 45+ completed data centers; design, engineering and construction stay in-house and its NexGen arm self-performs concrete, steel and mechanical.
- [Hensel Phelps](https://datacentergeneralcontractors.com/hensel-phelps/): Colorado builder with 160+ mission critical projects worth $21 billion+ and 34 million sq ft completed, including Meta’s Montgomery, Alabama data center.
- [HITT Contracting](https://datacentergeneralcontractors.com/hitt-contracting/): The No. 1 data center contractor on ENR’s 2026 telecom ranking: $10.65 billion of its $13.04 billion 2025 revenue came from the sector, all delivered as construction manager at risk from 16 US offices.
- [Hoffman Construction](https://datacentergeneralcontractors.com/hoffman-construction/): Employee-owned Oregon builder of hyperscale data center clusters in Quincy, Prineville, Altoona and San Antonio, now staffing a 1 GW+ campus in Claude, Texas.
- [Holder Construction](https://datacentergeneralcontractors.com/holder-construction/): Atlanta builder that earns 83% of its revenue from data centers and telecom, ranked No. 3 on ENR’s 2026 telecom list, delivering hyperscale campuses across the US as construction manager or design-builder.
- [Hutchinson Builders](https://datacentergeneralcontractors.com/hutchinson-builders/): Australian builder delivering data centres on a design and construct basis since 2010, with projects for Global Switch, Telstra and Keppel.
- [Hyundai Engineering & Construction](https://datacentergeneralcontractors.com/hyundai-ec/): Builds Korean data centres and provides preconstruction services, with references including K Square Gasan and Naver GAK Sejong.
- [Implenia](https://datacentergeneralcontractors.com/implenia/): Swiss general and total contractor that builds data centres from shell and core through turnkey building services, with a run of campuses around Zurich.
- [JE Dunn Construction](https://datacentergeneralcontractors.com/je-dunn/): Kansas City builder that delivered more than 720 MW of data center capacity in 2024 alone, ranked No. 13 on ENR’s 2026 data center list and builds for Meta.
- [John Paul Construction](https://datacentergeneralcontractors.com/john-paul-construction/): Irish contractor appointed in 2026 to build NTT Global Data Centers’ FRA3H near Frankfurt, a 6 MW colocation building.
- [John Sisk & Son](https://datacentergeneralcontractors.com/john-sisk-and-son/): Irish contractor with 25+ years of data centre delivery in Ireland, the UK and Europe, working as general contractor, construction manager or design-and-build contractor, including Vantage’s DUB1 campus.
- [Kajima](https://datacentergeneralcontractors.com/kajima/): Japanese general contractor building Princeton Digital Group’s close-to-100 MW campus in Saitama for developer Lendlease.
- [Kapitol Group](https://datacentergeneralcontractors.com/kapitol-group/): Australian builder behind NEXTDC’s Tier IV D1 and D2 Darwin data centres and GE1 Geelong, using off-site prefabrication and modular construction.
- [Kiewit](https://datacentergeneralcontractors.com/kiewit/): Omaha engineer-constructor, No. 4 on ENR’s 2026 Top 400, building hyperscale campuses and the power behind them; it is joint general contractor with Clayco on Project Jupiter for Oracle and STACK in New Mexico.
- [Laing O’Rourke](https://datacentergeneralcontractors.com/laing-orourke/): Builds data centres in the UK, United Arab Emirates and Australia with in-house CSA, MEP and commissioning teams.
- [Larsen & Toubro (L&T Construction)](https://datacentergeneralcontractors.com/larsen-and-toubro/): Indian engineering and construction group whose Buildings & Factories business designs, builds, installs, tests and commissions data centres including fit-outs.
- [Lendlease](https://datacentergeneralcontractors.com/lendlease/): Constructs Australian data centres, including the 60 MW Project Blue Tongue facility in Sydney.
- [Mace Construct](https://datacentergeneralcontractors.com/mace/): International contractor building the cold shell for Pure DC’s Brent Cross campus in North London.
- [McCarthy Building Companies](https://datacentergeneralcontractors.com/mccarthy-building-companies/): 100% employee-owned builder that self-performs concrete, electrical, mechanical and civil work, and is topping out data centers such as Vantage’s 64 MW NV12 near Reno.
- [Mercury Engineering](https://datacentergeneralcontractors.com/mercury-engineering/): Dublin contractor that runs general contracting, CSA, mechanical, electrical and offsite assembly under one roof, and handed over Digital Realty’s 76 MW Paris Digital Park in 2025.
- [Mortenson](https://datacentergeneralcontractors.com/mortenson/): Minneapolis builder with 11 GW of data center capacity completed or under construction and 1,000+ data center specialists; it climbed from No. 22 to No. 10 on ENR’s 2026 Top 400 with 45% of 2025 revenue in data centers and telecom.
- [Multiplex](https://datacentergeneralcontractors.com/multiplex/): Builds large data centres across Australia for NEXTDC and GreenSquareDC, including the 350 MW S4 Sydney campus at Horsley Park.
- [Obayashi](https://datacentergeneralcontractors.com/obayashi/): Japanese general contractor that handles data centers from site search and volume study through design and construction, including NEC’s Kobe data center.
- [Okland Construction](https://datacentergeneralcontractors.com/okland-construction/): General contractor and construction manager with a data center fit-out reference for Aligned Energy.
- [PCL Construction](https://datacentergeneralcontractors.com/pcl-construction/): 100% employee-owned builder with 5,500+ people across Canada, the US and Australia; its data center work includes the 320,000 sq ft BMO data centre in Barrie, Ontario.
- [Pomerleau](https://datacentergeneralcontractors.com/pomerleau/): Provides data center construction management in Canada, including projects inside operating buildings for confidential clients.
- [Ryan Companies](https://datacentergeneralcontractors.com/ryan-companies/): Minneapolis developer-builder with 1.2 GW and 4.2 million sq ft of mission critical space delivered or under construction, combining development, design and construction in one team.
- [Samsung C&T](https://datacentergeneralcontractors.com/samsung-c-and-t/): Korean builder whose dedicated data center team runs projects from business development through design, construction and operations, including the 40MW Ansan Global Cloud Center.
- [Shapoorji Pallonji](https://datacentergeneralcontractors.com/shapoorji-pallonji/): Indian engineering and construction group offering data centre construction and turnkey IT-campus delivery.
- [Shimizu Corporation](https://datacentergeneralcontractors.com/shimizu/): Constructs data centers and other technology buildings, including large multistorey facilities in Japan.
- [Skanska USA](https://datacentergeneralcontractors.com/skanska-usa/): US arm of Sweden’s Skanska, which has built 240+ data centers worldwide and takes on about 500 MW of data center projects a year with 800 specialists, for clients such as Aligned, IBM and atNorth.
- [STO Building Group (Structure Tone)](https://datacentergeneralcontractors.com/sto-building-group/): Family of builders that includes Structure Tone, Layton Construction and STO Mission Critical, ranked No. 3 on ENR’s 2026 Top 400 and No. 9 in data centers, with offices in the US, Dublin and London.
- [STRABAG](https://datacentergeneralcontractors.com/strabag/): European construction group with more than 15 completed data centres, including Equinix FR16 in Frankfurt and T-Systems' cloud data centre in Biere through its Züblin subsidiary.
- [Suffolk Construction](https://datacentergeneralcontractors.com/suffolk-construction/): Boston builder that delivers all of its work as construction manager at risk and earned $2.18 billion from data centers and telecom in 2025, No. 17 on ENR’s data center list; it is building core and shell for a 200 MW campus in Maryland.
- [Sundt Construction](https://datacentergeneralcontractors.com/sundt-construction/): 100% employee-owned builder founded in 1890 with 75+ data center projects since 1990, self-performing concrete, steel, electrical, mechanical and liquid-cooling piping in the Southwest and Texas.
- [T5 Construction Services](https://datacentergeneralcontractors.com/t5-construction-services/): The construction arm of data center developer T5: all $1.67 billion of its 2025 revenue sat in ENR’s telecom and data center sector, ranking it No. 19 on ENR’s 2026 data center list, delivering turnkey design, procurement, construction and commissioning.
- [Taisei Corporation](https://datacentergeneralcontractors.com/taisei/): Japanese construction contractor named as a construction partner for Vantage’s first Osaka campus, KIX1.
- [Tata Projects](https://datacentergeneralcontractors.com/tata-projects/): Indian EPC contractor that engineers, builds and commissions data centre facilities for Microsoft and Amazon, including Microsoft’s Hyderabad data centre.
- [The Walsh Group](https://datacentergeneralcontractors.com/walsh-group/): Fourth-generation family builder from Chicago, No. 16 on ENR’s 2026 data center list with $2.25 billion of sector revenue, building colocation and hyperscale campuses in Wisconsin, Indiana, Illinois and Arizona.
- [Turner Construction](https://datacentergeneralcontractors.com/turner-construction/): The largest US builder by revenue and the No. 2 data center builder on ENR’s 2026 telecom ranking, building hyperscale and AI campuses as construction manager at risk, with its own crews for concrete, drywall and site civil work.
- [Walbridge](https://datacentergeneralcontractors.com/walbridge/): Detroit builder with 45% of 2025 revenue in data centers and telecom, No. 12 on ENR’s data center list; it self-performs concrete and builds hyperscale and 32 MW core-and-shell data centers.
- [Whiting-Turner](https://datacentergeneralcontractors.com/whiting-turner/): Baltimore general contractor ranked No. 5 on ENR’s 2026 Top 400 and No. 7 in data centers, with $3.9 billion of 2025 telecom and data center revenue, mostly delivered as construction manager at risk.
- [Winthrop Technologies](https://datacentergeneralcontractors.com/winthrop-technologies/): Dublin turnkey data centre contractor, founded in 1995 as an MEP firm, with 430 MW+ of IT load in flight across seven European countries and its own mechanical, electrical and commissioning teams.

## Optional
- [All records in one file](https://datacentergeneralcontractors.com/llms-full.txt)
- [Sitemap](https://datacentergeneralcontractors.com/sitemap.xml)