Some of the top colocation data center providers are Equinix, Digital Realty, CentersquareDC, CoreSite, CyrusOne, QTS Realty Trust, Switch, GDS Holdings, Telehouse, and NTT. 

Colocation data center service, also known as “Colos” is a third-party, rental data center service.

A Colocation data center houses all the required IT equipment, networking, server, rack, cooling, power, and other units that are essential to support data center operations.

Furthermore, a data center colocation service provider is also called a “carrier hotel” due to its flexible on-demand rental facility that can be availed at any time without actually having to invest in building a private data center facility. Let us now explore them briefly.

Top 10 Colocation Data Center Providers

Some of the top colocation data center providers in 2025 are listed below alphabetically: 

Digital Realty 

Digital Connexion is a joint venture between Brookfield Asset Management, Reliance Industries Limited, and Digital Realty that came together to provide top-tier, scalable, and highly connected data centers, colocation, and interconnection solutions.

They have successfully built more than 300 data centers across 50 global metros and over 218,000 cross-connections in over 6 continents.

Digital Realty has developed PlatformDIGITAL which provides secure and resilient colocation facilities with unparalleled scalability.

Some of the features of colocation services provided by Digital Connexion are:

• Secure and compliant 

• Flexible and resilient networking

• Powerful performance

• Sustainability 

• Cutting-edge facility

• Hide-density colocation 

• Built-to-suit data centers

• Powered-base buildings

• IGBC LEED platinum-certified sustainability

Some of the major data center projects of Digital Realty are given below:

CentersquareDC

In 2024, the two leading providers; EVOQUE and CYXTERA came together to form a combined identity as Centersquare

CentersquareDC offers great space spanning over 72 data centers with approximately 3.5M sq.ft of space and over 400 MW of power.

CentersquareDC also offers on-demand connectivity that is powered by Digital Exchange.

Moreover, CentersquareDC specialized in providing wholesale/retail colocation and data center services such as network services, infrastructure as a service, hybrid cloud, and devOps.

Some of the features of data center colocation facilities provided by CentersquareDC are:

• Redundant power infrastructure ( minimum N+1 backups for UPS)

• Advance security measures through Mantraps, biometric authentication, and security staff.

• ISO 27001, SOC1 and SOC2 certified 

• Fault-tolerant via tier 1 IP backbones

• digital cross-connects

• Extensible power 

• Career-and cloud-neutral 

• On-demand internet connectivity 

Some of the major data center projects of CentersquareDC are given below:

CoreSite

CoreSite data center colocation service is designed to accelerate revenue growth and business drivers with the help of a low latency connectivity environment that provides resilient and innovative colocation solutions.

CoreSite provides hybrid IT solutions to help businesses accelerate their digital transformation.

CoreSite has successfully delivered over 30 data centers in 11 markets, planning over 5.0 million square feet with approximately 40,000 interconnections.

Further, CoreSite has recently announced its major expansion in New York(NY3) and Denver, adding 68500 sq.ft of data center space to these major markets.

Some of the features of colocation data center service provided by CoreSite are:

• Multi-tenancy

• Reduced operational cost 

• Private suites available

• Caged/retail colocation

• Fortified security

• Inter-site network connectivity 

• 30% gains in efficiency  

• Redundant power and cooling system 

• Ensured uptime

Some of the major data center projects of CoreSite are given below:

CyrusOne

CyrusOne provides enterprise-grade colocation solutions that enable organizations to deploy and scale their IT infrastructure without facing the challenges of owning their own data center facilities.Moreover, they offer advanced  architectural design that aligns with today's business requirements.

CyrusOne provides flexible power options and cooling technology that support various densities while maintaining reliability and performance. Moreover, CyrusOne has recently expanded its presence in Madrid by completing the construction of the MAD1 data center which is its first data center facility in Spain. The data center facility covers an area of approximately 6,000 sq. meters with an IT capacity of 18 MW.

This new intervention in Spain will help CyrusOne extend its presence over Europe; which is one of the most prominent markets for the data center industry.

Some of the features of data center colocation facilities provided by CyrusOne are:

• Monitoring and control 

• Security and Compliance 

• Multi-cloud environment supported by cloud-on-ramps

• Hybrid cloud connectivity 

• Artificial intelligence-equipped data centers 

• Build-to-suit

• Reliable deployment 

Some of the major data center projects of CyrusOne are given below:

QTS Realty Trust 

QTS Realty Trust offers sophisticated, one-stop, and customizable colocation data center facilities to integrate and exchange data with the world's immense interconnection ecosystem.

They have over 3000 acres of portfolio offering cutting-edge data solutions for different business needs. They have both multi-tenancy and single-tenancy solutions available.

Some of the features of colocation data center facility provided by QTS Realty Trust are:

• Secured cabinets housing up to 47 rack units worth of equipment 

• Configured cages 

• Customised suits

• Remote Management solutions 

• Highly secure with combination locks 

• Private and flexible options 

Some of the major data center projects of QTS Realty Trust are given below:

Switch

Switch data centers are equipped with next-generation technology innovations and are recognized as a world leader in the exascale data center ecosystem.

Switch data center services are 100% renewable and focus on efficiency along with sustainability. They are build-to-suit and focus on risk mitigation and investment protection.

Moreover, Switch offers the world's only tier 5 exascale data center.

It also facilitates the world's leading enterprises such as FedEx, eBay, Marvel, Nvidia, Google, Dell, Tesla, Cisco, JP Morgan Chase, and co. And others.

Some of the features of data center colocation facilities provided by Switch are:

• Highly Secure

• Risk mitigation 

• Tier-5 exascale facilities

• 100% renewable

Some of the major data center projects of Switch are given below:

GDS Holdings 

GDS Holdings offers a highly secure, fault-tolerant, and reliable ecosystem that houses its server and IT equipment. They have 24 years of experience delivering world-class services to some leading companies to support their mission-critical data center requirement.

GDS Holdings has recently announced its first-ever monetization of its data center assets. Moreover, GDS is selling a 100% equity interest in certain projects to a private company REIT.

Further, the total enterprise value( EV) is expected to be approximately RMB 2.9 billion and the total equity consideration is around RMB 1.7 billion.

GDS Holdings has also entered into an agreement for certain institutional private equity investors to subscribe for USD 587 million of Series A convertible preferred shares, as a part of its strategy to obtain dedicated financing for the development of its business on a standalone basis. Some of the features of colocation data center services provided by GDS Holdings are:

• Multiple redundancy across all critical systems 

• High power capacity 

• Large net floor area 

• Fault-tolerant

Some of the major data center projects of GDS Holdings are given below:

Telehouse

Telehouse has delivered secure, reliable data center service for over 25 years to thousands of companies worldwide. Telehouse strategically anticipates the future business needs that help them theatre rapidly expanding global data center requirements.

Further, Telehouse operates over 40 data centers globally and offers various collocation services such as private data center suites, caged colocation space, shared colocation space, etc.

Some of the features of colocation data center services provided by Telehouse are:

• Reliable infrastructure (N+1 conditioned) 

• Interrupted power circuits with diverse power feeds 

• Gas separation system 

• Smoke detector with pipe sprinkler system

• Diesel fuel generators 

• Climate controlled environment 

• Central monitoring of the HVAC system 

• 999% guaranteed uptime 

• Layered security 

• Biometric camera and fire prevention systems 

• SSAE 16 (set of standards for organization’s internal control) compliant

Some of the major data center projects of Telehouse are given below:

Equinix

Equinox is one of the world's leading digital infrastructure companies that offers the highest level of security, reliability, and resilience to support mission-critical data centers.

Equinix has over 25 years of experience in premier data center design and operations.

Equinix provides a scalable hybrid infrastructure with the most efficient traffic flows that offer the lowest tendency and highest network capacity. 

Recently, as an effort towards supporting deployment of AI strategies with customized and integrated solutions, Equinix has collaborated with Dell technologies, combined with NVIDIA to foster accelerated AI innovation. This significant move will enable enterprises to harness the power of generative artificial intelligence to leverage its full potential.

Some of the features of colocation data center services provided by Equinix are: 

• Scalable hybrid infrastructure 

• Real-time online infrastructure monitoring

• Interconnection-ready colocation 

• Cloud service enable 

• Effective data-transfer across clouds 

• High-density network connectivity

• Low latency and High network connectivity capacity 

• Agile service on-demand 

Some of the major data center projects of Equinix are given below:

NTT Global Data Centers

NTT global data centers provide access to a secure and flexible infrastructure to meet customized customer requirements.

They offer powerful systems with exceptional flexibility and scalability.

NTT offers various colocation facilities such as custom cages, turnkey cabinet solutions, private suites, powered shells, and build-to-suit designs.

Moreover, they operate globally in over 20 countries with 600,000 m.sq. of data center space and 2100 MW of critical IT load.

Some of the features of colocation data center services provided by NTT Global are: 

• Sustainable 

• Highly secure cabinets

• Expendable capacity 

• Connected data center

• Modular construction

Some of the major data center projects of NTT Globl are given below:

How Colocation is The Best Data Center Option?

Cost-effective

Businesses get access to rental data center services without having to build and maintain their facilities.

Reliable

Colocation data center facility provides redundant power and cooling systems that minimize the risk of system failure. They ensure stringent service level agreement (SLA) and ensure minimize downtime

Security

Colocation service provides both physical and cyber protection. Moreover, it protects data against unanticipated disruption and includes backup and recovery solutions.

Colocation data centers arrange regular audits and ensure they follow the required regulatory compliance and standards.

Improve performance

Colocation companies provide access to the latest technology, modern networking equipment, and cutting-edge solutions to ensure superior customer delivery.

Scalable

Colocation data centers are highly scalable and adjust quickly to changing business requirements. They are often prepared to serve large-scale surges in demand and offer flexibility to businesses.

Conclusion

According to Blackridge Research's global data center market report, the global colocation data center market size is expected to grow to over USD 46.30 billion by 2028. Moreover, there is a shift towards a sustainable data center solution coupled with innovation to increase efficiency to the next level. For this, the data center company is using converged infrastructure and server virtualization.

Nevertheless, the Colocation data center facilities are expected to experience a surge in demand due to their unique innovation and exceptional scalability, which can help cater to large data center requirements on demand without huge investments.

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