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Read 54 CoreSite reviews and testimonials from customers, explore 53 case studies and customer success stories, and watch 7 customer videos to see why companies chose CoreSite as their Real Estate

CoreSite, an American Tower company (NYSE: AMT), provides hybrid IT solutions that empower enterprises, cloud, network and IT service providers to monetize and future-proof their digital business. Their highly interconnected data center campuses offer a native digital supply chain featuring direct cloud onramps to enable their customers to build customized hybrid IT infrastructure and accelerate digital transformation. For more than 20 years, CoreSite’s team of technical experts have partnered with customers to optimize operations, elevate customer experience, dynamically scale and leverage data to gain competitive edge.

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  • 54 Testimonials View
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  • 7 Customer Videos View
Customer Rating Review Score based on 3550 reference ratings
4.7/5.0 (3550)
  • Winter 2026 Market Leader Colocation Services
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54Testimonials

  • “The inter-site connectivity between the NY1 and NY2 CoreSite facilities was a key component in our decision because it meant we’d never go down. But the ability to connect with …

    Bruce Hoernecke President and CEO

  • “To provide exceptional, comprehensive managed IT solutions for clients in highly regulated industries, we need data center infrastructure that is reliable, resilient and secure. CoreSite’s unwavering professionalism and top-tier security …

    Matthew Mulcahy Vice President, Client Experience

  • “We can’t afford a minute of downtime, even during a major catastrophic event like Hurricane Sandy. CoreSite’s reputation for stability and reliability was a critical factor in our decision because …

    Ali Faraji CEO
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53 Case Studies

  • A global online gaming platform uses Any2 to connect with network partners …

  • Multinational aerospace and defense company develops products backed by CoreSite’s secure colocation …

  • Leading Financial Services Software Company - Customer Case Study

52 more case studies currently locked

7 Customer Videos

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Additional CoreSite Information & Resources

Read CoreSite Reviews, Testimonials & Customer References from 54 real CoreSite customers.

Browse CoreSite Case Studies, Customer Success Stories, & Customer References from 53 businesses that use CoreSite.

Watch CoreSite Customer Videos to learn why 7 businesses chose CoreSite.

Explore answers to frequently asked questions about CoreSite.

FeaturedCustomers has 2,062,621+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.