Data Center Colocation Services in the US: Market Size, Businesses & Forecast 2026

The data center colocation services industry in the United States comprises establishments providing secure computing infrastructure, space, power, and high-performance network interconnection to third-party clients. Driven by the mass migration to hybrid cloud architectures and the sudden processing demands of artificial intelligence workloads, the sector is experiencing rapid expansion as enterprises pivot away from building private, on-premise infrastructure. For instance, Equinix, Inc., a major operator in this space, reported total global revenues of $9.2 billion in 2025 (source: Equinix, Inc. Annual Report 2025), illustrating the scale of corporate spending on specialized colocation an

Industry snapshot

Key public data points

Historical & forecast

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What does the Data Center Colocation Services in the US industry cover?

The industry encompasses facilities providing multi-tenant server and networking space, physical security, cooling, and regulated power to corporate and cloud clients. These services are officially categorized under the broader communication and infrastructure services framework, distinguishing between retail arrangements where clients lease individual racks or cages and large-scale wholesale leases of entire dedicated data halls.

• •Classified under NAICS Code 518210, which handles computing infrastructure providers, data processing, web hosting, and related services.
• •Encompasses both managed space rental and critical carrier-neutral network interconnection platforms.
• •Includes specialized facility provisions such as redundant 2N+1 power supplies and advanced mechanical cooling infrastructures.

Who operates in the industry and how is it structured?

The commercial market layout is divided between highly interconnected urban retail facilities and massive, edge-of-city wholesale campuses. Operators act as critical infrastructure backbones, providing physical space that bridges localized enterprise software with global public cloud networks.

• •Retail colocation caters to small and medium enterprises requiring flexible, shared configurations and dense carrier options.
• •Wholesale colocation provides massive power blocks and dedicated facilities directly to hyperscale cloud providers and massive financial clients.
• •Operators increasingly rely on real estate investment trust (REIT) structures to efficiently finance the intense capital expenditures needed for facility construction.

What drives demand in the industry?

Demand is heavily pushed by the explosive growth of artificial intelligence applications, enterprise multi-cloud setups, and massive IoT deployments. Organizations choose colocation to avoid the prohibitive capital outlays of building private Tier-3 or Tier-4 facilities that require specialized engineering.

• •The surging computational training and inference workloads of generative AI require highly dense electrical and cooling capacities.
• •Corporate shifts toward hybrid networks demand low-latency physical access to cloud entry points housed within carrier-dense facilities.
• •High cost of building standalone facilities, ranging from $9 million to $14 million per megawatt, drives firms to lease instead of own.

Who are the notable companies in the industry?

The US domestic market features a mix of massive, publicly traded global digital infrastructure REITS, specialized data center operators, and diversified real estate firms. Competition centers on network density, geographic footprint, proximity to primary cloud hubs, and guaranteed power availability.

• •Equinix, Inc. operates as a leading public provider, managing a massive footprint of 281 data centers across 36 countries as of early 2026.
• •Digital Realty Trust Inc. represents another major public competitor, expanding initiatives like its NVIDIA AI Factory Research Center in Virginia.
• •Iron Mountain Inc., a traditional records management firm, actively competes via an expanding global data center colocation division.
• •American Tower Corp. remains active in the broader infrastructure space, leveraging edge data placements and telecom tower connectivity.

What are the recent trends and outlook?

Recent market developments are dominated by multi-billion dollar campus investments optimized specifically for next-generation hardware architectures. However, severe power grid constraints in key primary markets are forcing developers to seek alternative geographic regions with stable utility timelines.

• •Vantage Data Centers announced plans with OpenAI and Oracle for a $15 billion Stargate campus in Wisconsin targeting 1 GW of capacity by 2028.
• •Centersquare expanded its North American presence significantly via a $1 billion acquisition of 10 colocation assets in late 2025.
• •Utility interconnection delays and strict grid capacity allocations present clear structural hurdles in traditional markets like Northern Virginia.

How is the industry regulated?

Facilities operate under strict regulatory and operational parameters governed by financial, healthcare, and environmental requirements. Tenant companies enforce strict compliance checks on colocation providers to ensure data integrity and infrastructure resilience.

• •Tier structures defined by the Uptime Institute dictate operational resilience standards, with Tier 4 requiring complete fault tolerance.
• •Facilities must comply with rigorous framework audits including Payment Card Industry (PCI) data rules and HIPAA for health workflows.
• •Corporate net-zero mandates are intensifying pressure on facilities to document power usage effectiveness (PUE) and source clean energy.

Government, statistical and trade sources used for this Claight analysis.

• US Census Bureau NAICS 2022 Manual ·
• Equinix, Inc. Annual Report 2025 (SEC Filing) ·
• Uptime Institute Infrastructure Guidelines ·
• Securities and Exchange Commission (SEC) Form S-1/10-K Filings