Colocation data center companies | Top Leaders and Market Insights 2025

Colocation data center companies

A critical trend driving this momentum is the increasing adoption of hybrid cloud models, which colocation facilities support through direct cloud on-ramps and interconnection services. The demand for edge data centers is also surging, especially in industries such as telecom, finance, and e-commerce. Moreover, green data center initiatives are becoming a key market differentiator, opening opportunities for providers focused on energy efficiency and renewable-powered infrastructure.

1. Equinix, Inc.

Equinix is a global leader in colocation services, operating hundreds of data centers worldwide. It offers interconnection solutions that allow businesses to securely connect their digital infrastructure.

2. Digital Realty

Digital Realty provides data center, colocation, and interconnection services. Its global data center platform, PlatformDIGITAL, is designed to support enterprise digital transformation needs.

3. NTT Global Data Centers

A division of NTT Ltd., this provider offers a robust global network of colocation facilities, particularly strong in Asia-Pacific, Europe, and North America, with high security and energy efficiency.

4. CyrusOne

CyrusOne delivers enterprise-class, carrier-neutral data centers for global businesses. It specializes in high-performance computing and mission-critical infrastructure.

5. Iron Mountain Data Centers

Iron Mountain offers secure colocation services with a focus on compliance, sustainability, and physical security. It operates data centers in North America, Europe, and Asia.

6. CoreSite (An American Tower Company)

CoreSite provides colocation, cloud, and interconnection services through strategically located data centers in major U.S. markets. It became part of American Tower Corporation in 2021.

7. Global Switch

Global Switch owns and operates large-scale, carrier-neutral data centers in key international business hubs, particularly across Europe and Asia-Pacific.

8. Telehouse

Telehouse offers colocation, connectivity, and cloud services through strategically located data centers. It is one of the oldest global data center operators.

9. NEXTDC

NEXTDC is a leading data center provider in Australia, offering colocation and interconnectivity services to businesses looking for high-performance, sustainable infrastructure.

10. ST Telemedia Global Data Centres (STT GDC)

STT GDC operates colocation data centers across Asia, the UK, and India. It emphasizes security, scalability, and energy efficiency for enterprise and hyperscale customers.

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