Digital Realty supports the world's leading enterprises and service providers by delivering the full spectrum of data center, colocation and interconnection solutions. PlatformDIGITALR, the company's global data center platform, provides customers a trusted foundation and proven Pervasive Datacenter Architecture PDxTM solution methodology for scaling digital business and efficiently managing data gravity challenges. Digital Realty's global data center footprint gives customers access to the connected communities that matter to them with more than 284 facilities in 48 metros across 23 countries on six continents.

Digital Realty Trust, Inc.

American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.

American Tower Corporation

Crown Castle owns, operates and leases more than 40,000 cell towers and approximately 80,000 route miles of fiber supporting small cells and fiber solutions across every major U.S. market. This nationwide portfolio of communications infrastructure connects cities and communities to essential data, technology and wireless service - bringing information, ideas and innovations to the people and businesses that need them. For more information on Crown Castle, please visit www.crowncastle.com.

Crown Castle Inc.

Equinix (Nasdaq: EQIX) is the world's digital infrastructure company, enabling digital leaders to harness a trusted platform to bring together and interconnect the foundational infrastructure that powers their success. Equinix enables today's businesses to access all the right places, partners and possibilities they need to accelerate advantage. With Equinix, they can scale with agility, speed the launch of digital services, deliver world-class experiences and multiply their value.

Equinix, Inc.

Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores and protects billions of valued assets, including critical business information, highly sensitive data, and cultural and historical artifacts. Providing solutions that include secure records storage, information management, digital transformation, secure destruction, as well as data centers, cloud services and art storage and logistics, Iron Mountain helps customers lower cost and risk, comply with regulations, recover from disaster, and enable a more digital way of working.

Iron Mountain Incorporated

SBA Communications Corporation is a first choice provider and leading owner and operator of wireless communications infrastructure in North, Central, and South America and South Africa. By Building Better Wireless, SBA generates revenue from two primary businesses site leasing and site development services. The primary focus of the Company is the leasing of antenna space on its multi-tenant communication sites to a variety of wireless service providers under long-term lease contracts. For more information please visit: www.sbasite.com.

SBA Communications Corporation

GDS Holdings Limited, together with its subsidiaries, develops and operates data centers in the People's Republic of China. The company provides colocation services comprising critical facilities space, customer-available power, racks, and cooling; managed hosting services, including business continuity and disaster recovery, network management, data storage, system security, operating system, database, and server middleware services; managed cloud services; and consulting services. It serves cloud service providers, large Internet companies, financial institutions, telecommunications and IT service providers, and large domestic private sector and multinational corporations. The company was founded in 2001 and is headquartered in Shanghai, the People's Republic of China.

GDS Holdings Limited

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Ticker	Market Cap	Gross Profit Margin	Forward P/E
DLR	$56,584.64M	54.8%	111.2
AMT	$83,732.70M	74.3%	27.8
CCI	$38,879.57M	71.2%	35.8
EQIX	$72,337.60M	50.4%	50.6
IRM	$24,921.15M	56.0%	46.4
SBAC	$20,382.65M	76.0%	22.7
GDS	$6,551.29M	22.6%	816.3