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San Antonio Data Centers
San Antonio's data center market is structurally distinctive among Texas Triangle metros precisely because of the metro's federal cybersecurity and military intelligence concentration. The metroplex hosts approximately 30-40 operational data center facilities anchored by Microsoft's massive Westover Hills datacenter campus, the Army Corps of Engineers' San Antonio operations, the broader 24th Air Force / Sixteenth Air Force cybersecurity substrate at Joint Base San Antonio (Lackland), the National Security Agency / Cyber Command Texas substrate, plus continued continued enterprise and colocation operator concentration. Microsoft's Westover Hills concentration plus continued continued military-and-intelligence cyber operator concentration positions San Antonio as one of the most security-focused US data center substrates.
San Antonio's specific data center substrate position requires acknowledging the structurally distinctive water-stress context. During 2023-2024 Stage 3 restrictions, Microsoft and Army Corps San Antonio data centers consumed 463 million gallons of water. Continued continued closed-loop cooling adoption plus continued operator-water-utility coordination supports continued operator concentration but represents a fundamental supply ceiling.
San Antonio Data Center and Colocation Operators
| Company | Location | Primary Categories |
|---|---|---|
| 365 Data Centers | San Antonio metro | Edge Colocation, Network Services |
| Aligned Data Centers | San Antonio metro | Wholesale Colocation, Hyperscale |
| Army Corps of Engineers (San Antonio Datacenter) | San Antonio metro | Federal Compute Operations |
| CenturyLink (Lumen) | San Antonio metro | Network Infrastructure, Cloud Services |
| CleanArc Data Centers | San Antonio metro | Hyperscale, Sustainable Infrastructure |
| Cologix | San Antonio metro | Interconnection, Network-Dense Colocation |
| Compass Datacenters | San Antonio metro | Wholesale, Build-to-Suit |
| CoreSite (American Tower) | San Antonio metro | Network-Dense Colocation, Cloud Onramps |
| CPS Energy (Industrial Data Operations) | San Antonio (HQ) | Utility Operations, Industrial Connectivity |
| CyrusOne | San Antonio metro | Wholesale Colocation, Hyperscale |
| DataBank | San Antonio metro | Edge Colocation, Enterprise |
| Digital Realty (San Antonio portfolio) | San Antonio metro | Wholesale Colocation, Hyperscale |
| Equinix (San Antonio facilities) | San Antonio metro | Retail Colocation, Interconnection |
| Flexential | San Antonio metro | Hybrid IT, High-Density Colocation |
| H5 Data Centers | San Antonio metro | Wholesale Colocation |
| Hewlett Packard Enterprise (San Antonio) | San Antonio metro | Enterprise Compute, Cloud Infrastructure |
| Iron Mountain Data Centers | San Antonio metro | Wholesale Colocation, Compliance-Focused |
| Lumen Technologies | San Antonio metro | Network Infrastructure, Cloud Services |
| Microsoft Azure (Westover Hills) | Westover Hills (San Antonio) | Hyperscale Cloud Infrastructure (South Central US Region) |
| National Security Agency / Cyber Operations | Lackland AFB (Joint Base San Antonio) | Federal Cybersecurity Operations |
| NTT Global Data Centers | San Antonio metro | Hyperscale, Wholesale Colocation |
| Oracle Cloud Infrastructure | San Antonio metro | Hyperscale Cloud Infrastructure |
| Peak 10 / ViaWest | San Antonio metro | Hybrid IT, Multi-Tenant Colocation |
| QTS Realty Trust (Blackstone) | San Antonio metro | Hyperscale, Wholesale Colocation |
| Rackspace Technology | San Antonio (HQ) | Multi-Cloud, Managed Hosting |
| Sabey Data Centers | San Antonio metro | Wholesale Colocation, Hyperscale |
| Sixteenth Air Force / 24th Air Force (Cyber Operations) | Lackland AFB (Joint Base San Antonio) | Federal Cybersecurity, Information Warfare |
| Stream Data Centers | San Antonio metro | Wholesale Colocation, Hyperscale |
| T5 Data Centers | San Antonio metro | Wholesale Colocation, Build-to-Suit |
| TierPoint | San Antonio metro | Hybrid IT, Multi-Tenant Colocation |
| USAA (Defense IT Operations) | San Antonio (HQ) | Enterprise Compute, Defense IT |
| Vantage Data Centers | San Antonio metro | Hyperscale Wholesale Colocation |
| Verizon Network Operations | San Antonio metro | Network Infrastructure, Edge Compute |
Related Coverage
San Antonio Metro Directory | Texas Triangle Cluster | Texas Nexus | ERCOT Energy Sovereignty | Texas Water Supply and Stress | Why Texas: The Structural Logic of AI-Industrial Concentration | Austin-San Antonio Corridor (I-35 South) | Austin Datacenters B2B | DFW Datacenters B2B | Houston Datacenters B2B | San Antonio Semiconductor B2B | San Antonio Aerospace B2B | San Antonio Energy B2B | San Antonio Advanced Manufacturing B2B | Spotlights Hub