In total, the 10 largest providers and operators of data centers, including Amazon Web Services (AWS), Microsoft Azure, Google Cloud, Meta Platforms, Equinix, Digital Realty, NTT Global Data Centers, CyrusOne, GDS Holdings, and KDDI's Telehouse, operate over 1,250. In total, the 10 largest providers and operators of data centers, including Amazon Web Services (AWS), Microsoft Azure, Google Cloud, Meta Platforms, Equinix, Digital Realty, NTT Global Data Centers, CyrusOne, GDS Holdings, and KDDI's Telehouse, operate over 1,250. Data center development has entered a historic growth phase, supported by AI adoption, cloud expansion, and global digital infrastructure needs. These data center providers and operators deliver power and cooling infrastructure in highly specialized buildings that house computer servers. Data Centre Magazine has released its annual Top 100 Data Centre Companies 2025 report, spotlighting the organisations setting new standards across cloud, colocation, design, and energy efficiency. Amazon Web Services (AWS) ranks first in 2025 for its global reach, innovation, and unmatched. This report ranks the largest datacenter operators globally by operating IT capacity in megawatts as of Q1 2026. Data is compiled from operator 10-K filings, infrastructure annual reports, Synergy Research and Dell'Oro Group estimates, and primary disclosures between January 2025 and April 2026. Companies in this sector provide secure facilities for data storage, cloud computing, and connectivity services, catering to businesses of all sizes. Many firms are focused on sustainable practices, ensuring energy-efficient operations while meeting growing data needs. What the research and case studies say about home values near hyperscale campuses. Behind-the-meter siting, gigawatt-scale loads, and the new geography of AI.