Partner profile
CoreSite
Where the Cloud Meets the Enterprise
Founded 2001 · Denver, Colorado · 201-1,000 employees · Subsidiary or division
Partnership Overview
Who CoreSite is built for
Multi-cloud enterprises needing US-centric colocation with strong cloud on-ramps; financial services low-latency requirements; content providers and SaaS companies in Tier 1 US metros.
CoreSite (subsidiary of American Tower, NYSE: AMT) operates 28+ carrier-neutral data centers across 11 strategic US metro markets including Northern Virginia (Ashburn), Silicon Valley, New York, Los Angeles, Chicago, Boston, Denver, Miami, and Atlanta. The CoreSite platform is known for dense network and cloud ecosystems with direct on-ramps to AWS, Azure, Google, Oracle, IBM, and a thriving Open Cloud Exchange. Acquired by American Tower in 2021 to combine data center and edge / 5G strategies.
- VerifiedOct 15, 2026 · high confidence
- 5solutions across 1 category
- 25 yrsin business, since 2001
- 201-1,000employees
Why teams pick CoreSite
- + data centers in 11 strategic US metros (Ashburn, Silicon Valley, NY, LA, Chicago)
- Dense carrier and cloud ecosystems
- American Tower parent enables edge/5G strategy via cell tower footprint
- Open Cloud Exchange for software-defined interconnect
- Strong financial services and content provider customer base
Probably not a fit
We haven't published fit caveats for CoreSite yet. Tell us what you run and we'll say whether they fit, or who we'd look at instead.
Get matched insteadRecognition & proof points
Uptime Institute Tier III certified facilitiesCertification · Uptime Institute
- Multiple data center industry awardsAward
Notable clients
Vendor-reportedNamed end-customer logos are limited (colocation privacy). CoreSite (an American Tower company) hosts a dense digital ecosystem of cloud, network and IT-service providers with major cloud on-ramps (AWS Direct Connect, Azure ExpressRoute, Google Cloud Interconnect, Oracle FastConnect) across its US edge markets, and operates the Any2Exchange peering fabric.
Our Solutions
Rubber Duck solutions through CoreSite
From first evaluation to day-to-day operations, Rubber Duck Technology helps you get full value from CoreSite's Data Center & Colocation solutions. We fit them to the systems you already run, remove overlap, and give you a clear view of how they perform, so your team can move faster with fewer surprises.
Data Center & Colocation
Colocation
CoreSite operates 28+ carrier-neutral data centers across 11 strategic US metro markets, offering wholesale and retail colocation with dense network and cloud ecosystems.
- 28+ data centers, 11 metros Colocation spans 28+ facilities in strategic US metros including Ashburn, Silicon Valley, NY, LA, and Chicago.
- Carrier-neutral with 350+ networks Dense carrier ecosystems with 350+ networks give customers broad connectivity choice.
- Financial and content customer base Strong financial services and content provider customer presence enriches the ecosystem.
Cross-Connect / Interconnect
CoreSite provides cross-connect and interconnection services within its facilities, enabling direct connections across its dense carrier and cloud ecosystems.
- Dense interconnection Cross-connects tap into dense carrier and cloud ecosystems across CoreSite metros.
- Open Cloud Exchange The Open Cloud Exchange enables software-defined interconnect between providers.
Equinix Fabric
MegaportCloud Connect / Interconnection
CoreSite offers direct cloud on-ramps to all major hyperscalers, letting customers establish private connectivity from its data centers.
- On-ramps to all hyperscalers Direct cloud on-ramps reach AWS, Azure, Google, Oracle, and IBM.
- Software-defined exchange The Open Cloud Exchange streamlines multi-cloud interconnect.
AWS Direct Connect
Azure ExpressRoute
Google Cloud Interconnect
Oracle FastConnectIP Transit / Peering
CoreSite operates internet exchanges and offers IP transit and peering across its carrier-neutral facilities with 350+ networks.
- 350+ network ecosystem Peering taps into a dense ecosystem of 350+ networks across CoreSite metros.
- Carrier-neutral exchange Internet exchange access supports flexible IP transit and peering options.
Hyperscale / Build-to-Suit
CoreSite supports hyperscale and build-to-suit requirements across its strategic metros, backed by parent American Tower's edge and 5G strategy.
- American Tower edge/5G American Tower's cell tower footprint enables an edge and 5G strategy alongside hyperscale builds.
- Strategic metro locations Hyperscale capacity sits in 11 strategic US metros with dense ecosystems.
How CoreSite delivers
24/7 onsite security and operations; smart hands; SLA-backed power and cooling; named technical account managers. (vendor-reported)
Services in detail
- Remote HandsDelivered by on-site staff backed by 24/7 onsite operations.
- Installation & Field ServicesDelivered via onsite teams processing cross-connect and installation orders.
- 24/7 MonitoringDelivered continuously through 24/7 onsite operations teams.
- Customer SuccessDelivered via a customer portal supported by account and operations teams.
Compare
One quote is a price. Three quotes are a market.
We'd price CoreSite next to these. Same scope on one page, sent to every provider, so the numbers actually line up.
Who we'd price next to CoreSite
Equinix Build
The World's Digital Infrastructure Company
Already talking to someone else? Tell us and we'll put them in the mix.
Case Studies
What backs it up
Case studies
No published case studies yet.
Ask us and we'll request a reference call with CoreSite.
Ask for a referenceDocuments
From CoreSite
57 PDFs, collected while we vetted them
- CoreSite Open Cloud Exchange Solution BriefDownload
- CoreSite Direct Connect Infrastructure Product BrochureDownload
- CoreSite Any2 Exchange Peering Solution BriefDownload
- CoreSite Blended IP Solution BriefDownload
- CoreSite Microsoft Azure Cloud On Ramp Solution BriefDownload
- CoreSite Remote Hands Solution BriefDownload
- CoreSite Why CoreSite Corporate BrochureDownload
- CoreSite AWS Direct Connect Cloud On Ramp Product BrochureDownload
- CoreSite Data Center Interconnection Solutions Product BrochureDownload
- CoreSite Google Cloud On Ramp Product BrochureDownload
- CoreSite Data Centers 101 Fact SheetDownload
- CoreSite Facts About CoreSite Fact SheetDownload
- CoreSite Colocation Myths vs Truths Fact SheetDownload
- CoreSite Multicloud AI Use Case BriefDownload
- CoreSite Enabling Your AI Strategy Tech BriefDownload
- CoreSite PSM Technical BriefDownload
- CoreSite The Case for Colocation Solution BriefDownload
- CoreSite Denver DE3 Data Center Facility Spec SheetDownload
- CoreSite Atlanta Data Center Colocation Market BrochureDownload
- CoreSite Boston Data Center Colocation Market BrochureDownload
- CoreSite Chicago Data Center Colocation Market BrochureDownload
- CoreSite Denver Data Center Colocation Market BrochureDownload
- CoreSite Los Angeles Data Center Colocation Market BrochureDownload
- CoreSite Miami Data Center Colocation Market BrochureDownload
- CoreSite New York Data Center Colocation Market BrochureDownload
- CoreSite Northern Virginia Data Center Colocation Market BrochureDownload
- CoreSite Orlando Data Center Colocation Market BrochureDownload
- CoreSite Silicon Valley Data Center Colocation Market BrochureDownload
- CoreSite Washington DC Data Center Colocation Market BrochureDownload
- CoreSite Financial Services Fintech Industry White PaperDownload
- CoreSite Government Industry White PaperDownload
- CoreSite Manufacturing Industry White PaperDownload
- CoreSite Media Entertainment Industry White PaperDownload
- CoreSite Education Technology EdTech Industry White PaperDownload
- CoreSite Arrcus Case StudyDownload
- CoreSite JK Moving Services Case StudyDownload
- CoreSite STN Case StudyDownload
- CoreSite Data Center Economic Contribution Study 2026 ReportDownload
- CoreSite Drivers of Rising Electricity Rates the Role of Data Centers E3 2026 ReportDownload
- CoreSite 2025 Sustainability Executive ReportDownload
- CoreSite How Hybrid Work Influences CRE Hybrid IT Decisions ReportDownload
- CoreSite Native Digital Supply Chain Optimization White PaperDownload
- CoreSite Solving IT Modernization Challenges with Hybrid IT White PaperDownload
- CoreSite State of the Data Center IDG White PaperDownload
- CoreSite 5Gs Impact on Edge Infrastructure Heavy Reading White PaperDownload
- CoreSite Wireless Wireline Network Convergence White PaperDownload
- CoreSite Renewable Energy Certificates Solution BriefDownload
- CoreSite State of the Data Center 2025 InfographicDownload
- CoreSite AI Data Centers InfographicDownload
- CoreSite Neocloud InfographicDownload
- CoreSite Financial Services Fintech InfographicDownload
- CoreSite Government InfographicDownload
- CoreSite Manufacturing InfographicDownload
- CoreSite Media Entertainment InfographicDownload
- CoreSite Hybrid IT Problems InfographicDownload
- CoreSite The Power Behind Data Centers InfographicDownload
- CoreSite Top 4 Data Center Industry Contributions InfographicDownload
Profile compiled by Rubber Duck Technology from primary sources and partner collateral. Vendor-reported figures are labeled as theirs. Spot something wrong? Tell us.
Technology that doesn't sink under pressure
Talk it through before you sign.
Send us what you run today. We'll price CoreSite against two alternatives and tell you which one we'd pick, and why.