Top Data Center Colocation Companies

The global data center colocation market is expected to be boosted by growing demand for cloud computing and hybrid IT infrastructure. Colocation facilities offer scalable, secure environments that support this transition without requiring companies to build their own data centers. Digital services, streaming, AI workloads, and e-commerce generate enormous data volumes. Organizations require reliable infrastructure to manage growing storage and computing needs. Colocation centers provide high-capacity environments designed for performance and uptime.

Industry Overview

According to SkyQuest Technology “Data Center Colocation Market By Colocation Type (Retail Colocation and Wholesale Colocation), By Enterprise Size (Large Enterprises and SMEs), By End Use, By Region - Industry Forecast 2025-2032,” Global data center colocation market is projected to grow at a CAGR of over 15.6% by 2032, as demand for reliable data centers and better uptime capabilities rises. Colocation providers deliver redundant power systems, advanced cooling, and disaster recovery capabilities that exceed what many organizations can build internally. Service-level agreements guarantee uptime and operational continuity.

Top 10 Global Data Center Colocation Companies

1. Equinix

Equinix is a leading global colocation and interconnection provider enabling digital infrastructure at scale across more than 70 metros worldwide. Its core offerings include carrier-neutral colocation data centers, cross-connect fabrics, interconnection gateways, and cloud on-ramps that help enterprises reach hybrid and multi-cloud architectures. Equinix continues expanding into emerging markets and investing in connectivity ecosystems that interlink networks, content providers, cloud giants, and enterprise IT infrastructures.

2. Digital Realty

Digital Realty is known as one of the largest data center and colocation providers globally, specializing in secure, scalable infrastructure for enterprises, cloud platforms, and service providers. S The company’s emphasis on sustainability, energy efficiency, and carrier partnerships is also expected to help it stand out from the competition in the long run. Digital Realty’s facilities are strategically located across key global hubs to minimize latency and maximize performance.

3. NTT Communications / NTT Ltd.

NTT Communications, part of the NTT Group, and its colocation arm NTT Ltd. provide global data center and digital infrastructure services, supporting enterprises with carrier-neutral colocation, managed hosting, cloud integrations, and network connectivity. NTT’s extensive footprint in Asia, Europe, and the Americas enables seamless data exchange and redundancy across regions. The company is continually investing in next-generation connectivity, cloud integrations, and hybrid IT solutions to support digital transformation.

4. China Telecom

China Telecom operates one of the largest telecommunications networks globally and leverages its infrastructure to offer colocation, cloud, and enterprise data services through its IDC (Internet Data Center) platforms. A state-owned provider, it supports carrier customers, large enterprises, and digital service providers with nationwide connectivity, secure data storage, and compliance with China’s data localization rules. With strong resource backing and strategic positioning in China’s digital ecosystem, the company has emerged as a formiddable name in the data center colocation industry.

5. CyrusOne

CyrusOne is a prominent data center developer and operator focused on colocation solutions tailored for hyperscale, cloud, and enterprise customers. Its facilities offer flexible space, high-power capacity, and robust connectivity options required for large-scale workloads, edge computing, and storage-intensive applications. CyrusOne’s approach emphasizes long-term partnerships with cloud providers, enterprise IT teams, and service integrators.

6. Coresite

CoreSite, a subsidiary of American Tower, specializes in carrier-neutral colocation and interconnection services across major U.S. data center markets. It provides direct cloud and network access, hybrid IT integration, and dedicated interconnection solutions that reduce latency and simplify connectivity for enterprises, carriers, and content providers. Its strategy centers on flexible services that integrate physical infrastructure with cloud and network ecosystems to optimize performance.

7. Colt Data Center Services

Based in the United Kingdom, the company operates hyperscale and enterprise colocation facilities worldwide. Its data centers support direct connections to major cloud providers, enterprise networks, and internet exchanges, enabling flexible hybrid and multi-cloud strategies for customers. Its global footprint and strategic expansions such as investments in new campuses in Europe and Asia are also expected to help this company emerge as a global data center colocation provider in the long run.

8. IBM Cloud

IBM Cloud combines colocation, cloud computing, and hybrid infrastructure services to support enterprise digital transformation. Through its global data center network, IBM Cloud offers secure colocation options alongside IaaS/PaaS, AI, analytics, and edge computing capabilities.  Its strategic investments in AI, automation, and enterprise IT integration position it as a provider that not only hosts infrastructure but also accelerates innovation across digital workloads.

9. KDDI/Telehouse

Telehouse, part of the KDDI Group, provides carrier-neutral colocation services across Europe and Asia, connecting enterprises, carriers, and cloud providers in strategic global hubs. Its data centers are known for high-availability infrastructure, rich interconnection ecosystems, and robust network access, enabling customers to implement efficient hybrid IT architectures. KDDI’s global network allows customers to leverage consistent performance and secure connectivity for their data centers.

Other Leading Global Data Center Colocation Companies

• ST Telemedia Global Data Centres (Singapore)
• NEXTDC (Australia)
• Atman (Poland)
• Maincubes (Germany)
• Iron Mountain Data Centers (USA)

Conclusion

The global data center colocation market is anticipated to expand at an impressive CAGR, but is still constrained by certain factors such as high operational costs and data Sovereignty concerns. Edge computing requires distributed data infrastructure closer to end users to reduce latency. Colocation facilities serve as regional hubs that support real-time processing for 5G, IoT, and AI applications. Modern colocation providers invest in energy-efficient cooling systems, renewable power, and carbon reduction initiatives. Enterprises increasingly choose partners aligned with sustainability goals. Shared infrastructure improves energy utilization compared to private facilities.