ADAligned Data Centers
aligneddc.com
HQ: —NO DATAFounded: —NO DATAFacilities: 50 campuses; 5 GW+ contracted and available capacityCOMPANY WEBSITEFrom hyperscale campuses to turnkey data halls, Aligned builds adaptive, energy-efficient infrastructure for performance, resilience, and global reach.
AHQ: Reykjavik, IcelandPUBLIC SOURCEFounded: —NO DATAOwnership: PrivatePUBLIC SOURCEatNorth is a Nordic data center company offering colocation, high-density and build-to-suit facilities.
CDCompass Datacenters
compassdatacenters.com
HQ: Dallas, United StatesPUBLIC SOURCEFounded: 2011PUBLIC SOURCEFacilities: —NO DATAAt Compass Datacenters, we build customizable, sustainable and reliable data centers to serve hyperscale customers.
CHQ: Dallas, Texas, USACOMPANY WEBSITEFounded: 2000PUBLIC SOURCEOwnership: Private (funds managed by KKR and Global Infrastructure Partners)PUBLIC SOURCECyrusOne designs, builds and operates data centers for hyperscale and large enterprise customers.
DHQ: 8th arrondissement of Paris, FrancePUBLIC SOURCEFounded: 2006PUBLIC SOURCEFacilities: 10 campuses; 165,000 sqm IT space; 1.5 GW available powerCOMPANY WEBSITEDATA4 designs, builds and operates its own data centers in France, Italy, Poland, Spain, Germany and Greece.
DHQ: Dallas, United StatesPUBLIC SOURCEFounded: 2005COMPANY WEBSITEFacilities: 70+ data centers across 25+ US metrosCOMPANY WEBSITEDataBank delivers colocation, cloud, and network infrastructure across 70+ data centers, backed by security, scale, and support.
DRDigital Realty
digitalrealty.com
HQ: Austin, Texas, USAPUBLIC SOURCEFounded: 2004 (formed by GI Partners)PUBLIC SOURCEOwnership: Public REIT (NYSE: DLR), S&P 500 componentPUBLIC SOURCEDigital Realty is a data center REIT that owns and runs carrier-neutral facilities offering colocation, interconnection and larger-scale deployments through its PlatformDIGITAL platform.
EEcoDataCenter
ecodatacenter.tech
HQ: —NO DATAFounded: —NO DATAFacilities: Borlänge campus power capacity of at least 240 MW (planned)COMPANY WEBSITELead the transition to sustainable IT with the world's most sustainable data center.
EHQ: Herndon, United StatesPUBLIC SOURCEFounded: 2009COMPANY WEBSITEFacilities: —NO DATAEdgeConneX builds and operates data centers worldwide, delivering speed, agility, and security for enterprise and cloud customers.
EHQ: Redwood City, California, USAPUBLIC SOURCEFounded: 1998PUBLIC SOURCEOwnership: Public REIT (NASDAQ: EQIX), S&P 500 componentPUBLIC SOURCEEquinix is a global data center and interconnection company that runs colocation sites where enterprises, clouds, networks and SaaS providers connect to each other.
FHQ: —NO DATAFounded: 2018PUBLIC SOURCEFacilities: 40+ data centers in 18 US marketsCOMPANY WEBSITEScalable colocation, cloud, and connectivity solutions for secure, high-performance IT infrastructure.
GSGlobal Switch
globalswitch.com
HQ: London, United KingdomPUBLIC SOURCEFounded: —NO DATAFacilities: —NO DATAGlobal Switch operatorates leading global data centres, delivering sustainable, resilient, and secure digital infrastructure worldwide.
GMGreen Mountain
greenmountain.no
HQ: —NO DATAFounded: —NO DATAFacilities: —NO DATAGreen Mountain Data Centers delivers sustainable, secure, and scalable data centers for AI, cloud, and HPC.
IMIron Mountain Data Centers
ironmountain.com
HQ: —NO DATAFounded: —NO DATAFacilities: —NO DATAIron Mountain Data Centers is listed in AI Data Centers & Colocation.
KDHQ: —NO DATAFounded: —NO DATAFacilities: 260+ MW of IT load in the portfolioCOMPANY WEBSITEKao Data is listed in AI Data Centers & Colocation.
NDNTT DATA Global Data Centers
global.ntt
HQ: —NO DATAFounded: —NO DATAFacilities: Over 160 data centers in 20+ countriesPUBLIC SOURCELearn how to scale in the places that benefit your business the most.
QDQTS Data Centers
qtsdatacenters.com
HQ: Reston, Virginia, USA (new HQ lease 2026; offices in Sterling, VA and Overland Park, KS)PUBLIC SOURCEFounded: 2003PUBLIC SOURCEOwnership: Private, owned by Blackstone (since 2021)PUBLIC SOURCEQTS Data Centers is a Blackstone-owned provider of carrier-neutral data centers for hyperscale and enterprise customers.
SISTACK Infrastructure
stackinfra.com
HQ: Denver, Colorado, USAPUBLIC SOURCEFounded: 2019PUBLIC SOURCEOwnership: Private (formed by IPI Partners; IPI acquired by Blue Owl in 2025)PUBLIC SOURCESTACK Infrastructure develops and operates data centers, including hyperscale campuses, powered land and colocation, for large cloud and AI/ML customers.
SHQ: Las Vegas, Nevada, USACOMPANY WEBSITEFounded: 2000COMPANY WEBSITEOwnership: PrivatePUBLIC SOURCESwitch designs, builds and operates large data center campuses and sells colocation, connectivity and related services.
VDVantage Data Centers
vantage-dc.com
HQ: Denver, Colorado, USAPUBLIC SOURCEFounded: 2010PUBLIC SOURCEOwnership: Private (DigitalBridge and Silver Lake)PUBLIC SOURCEVantage Data Centers builds and operates wholesale hyperscale data center campuses for cloud providers, hyperscalers and large enterprises.
VHQ: —NO DATAFounded: —NO DATAFacilities: Mäntsälä (Finland) campus, initial 70 MW, under construction 2026PUBLIC SOURCEPower your business with sustainable data center colocation with Verne.
