The Frontier Leaders · AI Infra 100 · By segment · Colocation & wholesale

Colocation & wholesale (Data center build & operate) in AI infrastructure: the 6 leaders on the AI Infra 100

November 2026 edition · 6 of 100 companies · rank is the position on the AI Infra 100

6 of the 100 companies on the AI Infra 100 are in the Colocation & wholesale segment of Data center build & operate, from 2 countries. The highest ranked is Digital Realty, rank 46 of 100 with a score of 90. Ranking and scores from the November 2026 edition, the assessment by Frontier Tech Intelligence of the AI infrastructure landscape.

RankCompanyCategory / segmentCountryScore
46Digital RealtyDigital Realty owns and operates data centers worldwide and sells colocation, wholesale capacity and interconnection services, including leases to hyperscale customers.Data center build & operate / Colocation & wholesaleUnited States90
49EquinixEquinix operates a global portfolio of IBX and xScale data centers that provide colocation, wholesale capacity and infrastructure for enterprise, cloud and AI workloads.Data center build & operate / Colocation & wholesaleUnited States90
69QTSQTS Data Centers develops and operates large-scale data centers that provide colocation, wholesale capacity, and related infrastructure services to enterprise and hyperscale customers.Data center build & operate / Colocation & wholesaleUnited States87
79Vantage Data CentersVantage develops and operates hyperscale data center campuses, providing wholesale colocation and capacity to cloud providers, AI companies, and large enterprises.Data center build & operate / Colocation & wholesaleUnited States86
84Stack InfrastructureSTACK Infrastructure develops and operates large data center campuses and leases wholesale colocation capacity, and partners with Amazon.Data center build & operate / Colocation & wholesaleUnited States85
90Pure Data Centres GroupPure Data Centres Group develops and operates AI-ready data center campuses, selling wholesale capacity to hyperscalers such as Microsoft.Data center build & operate / Colocation & wholesaleUnited Kingdom85

Score out of 100: traction (deployment, production, commercials, progress) and capability (technology, positioning, firepower, leverage). The full AI Infra 100 with filters →

AI Infra 100 by country

United States 46Japan 12China 7Taiwan 7Germany 5Ireland 3Netherlands 3South Korea 3Switzerland 3United Kingdom 3France 2Australia 1Canada 1Israel 1Italy 1Singapore 1Sweden 1

AI Infra 100 by region

North America 47Asia 30Europe 21Middle East 1Oceania 1

AI Infra 100 by category

Power, cooling & thermal 19Networking & interconnect 16Semiconductor equipment, materials & critical inputs 16Data center build & operate 13Fabrication, memory & packaging 12Compute demand & operators 8Chips & accelerators 6Agents & tooling 3Compute software 3Models & applications 2Safety & security 2

AI Infra 100 by segment

Optical & photonic interconnect 11Cooling & thermal 8Advanced packaging 7Deposition, etch & metrology 7Colocation & wholesale 6Hyperscalers 5Rack & server power delivery 5Servers, racks & system integration 5Grid & power equipment 4EDA & design tools 3Frontier labs as compute buyers 3Inference & serving clouds 3Lithography 3Accelerator design 2Custom silicon & IP 2Foundry 2Generation for data centers 2HBM & DRAM 2Hyperscale developers 2Security 2Switching & NICs 2Test, measurement & validation 2Wafers, chemicals & gases 2Agent platforms 1Cables, connectors & PCB 1China accelerators 1Data platforms & labeling 1Generative media 1Inference-specialist chips 1Open-weight labs 1Orchestration 1Photonic foundry & PIC platforms 1Rare earths, minerals & gases 1

Questions this page answers

Who are the top Colocation & wholesale companies in AI infrastructure?

Digital Realty ranks highest (rank 46 of 100, score 90). The Colocation & wholesale segment (Data center build & operate) holds 6 of the 100 companies on the AI Infra 100: Digital Realty, Equinix, QTS, Vantage Data Centers and Stack Infrastructure and 1 more. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.

Which companies supply Colocation & wholesale for AI infrastructure?

Digital Realty, Equinix, QTS, Vantage Data Centers and Stack Infrastructure and 1 more. Each has a company file with scores, facts and signals. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.

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