CoreSite is a major U.S. data center and interconnection provider, operating as part of American Tower Corporation. The company develops and operates carrier neutral data centers across key U.S. markets, providing colocation, cloud connectivity, interconnection, and digital infrastructure services. CoreSite's portfolio spans major markets including Denver, Los Angeles, Miami, New York, Northern Virginia, Silicon Valley, and other strategic locations. Its facilities connect enterprises, cloud providers, carriers, networks, and content providers through dense ecosystems of physical and virtual interconnection. CoreSite is also expanding its data center capacity to support AI, cloud computing, and high density workloads. Its combination of colocation facilities, connectivity, and network rich campuses makes it an important U.S. digital infrastructure platform.