Crown Castle International

Crown Castle International is a leading provider of infrastructure for wireless communications, owning and operating approximately 40,000 cell towers and over 90,000 route miles of fiber in the United States. The company offers extensive wireless coverage, serving 92 of the top 100 U.S. markets and a significant portion of the Australian population. Crown Castle leases space on its towers to wireless service providers, who install equipment to enhance their networks, while its fiber assets support small-cell infrastructure and enterprise connections. With a concentrated customer base, about 75% of the company’s revenue derives from the three major U.S. mobile carriers. Crown Castle is dedicated to fostering community relationships, collaborating with local stakeholders to develop tailored connectivity solutions that address evolving technological needs. Their initiatives aim to contribute to smarter, safer communities, reflecting their commitment to responsible corporate citizenship through programs like Connected by Good.

W. Benjamin Moreland

Executive Vice Chairman

James Young

COO, Operations and Executive Vice President

16 past transactions

Vapor IO

Series C in 2020
Vapor IO, Inc. specializes in hyper modular data center solutions, focusing on edge computing and interconnection facilities. The company offers a range of products, including Kinetic Edge Exchange for low-latency data exchange, Kinetic Edge colocation for integrating multiple micro data centers, and Kinetic Edge Fabric for enhanced networking capabilities. Additionally, Vapor IO provides OpenDCRE, an open-source API for data center monitoring and management, and Vapor CORE for optimizing data center services with advanced analytics. Their Vapor Chamber represents a compact data center solution, while Vapor Edge is designed for building IoT and edge environments. The company's Project Volutus supports cloud providers and wireless carriers in delivering edge computing applications through a network of micro data centers situated at cell tower sites. Founded in 2015 and headquartered in Austin, Texas, Vapor IO serves a diverse clientele, including wireless carriers, cloud providers, and web-scale companies, with a focus on expanding its infrastructure across major markets.

Vapor IO

Series C in 2018
Vapor IO, Inc. specializes in hyper modular data center solutions, focusing on edge computing and interconnection facilities. The company offers a range of products, including Kinetic Edge Exchange for low-latency data exchange, Kinetic Edge colocation for integrating multiple micro data centers, and Kinetic Edge Fabric for enhanced networking capabilities. Additionally, Vapor IO provides OpenDCRE, an open-source API for data center monitoring and management, and Vapor CORE for optimizing data center services with advanced analytics. Their Vapor Chamber represents a compact data center solution, while Vapor Edge is designed for building IoT and edge environments. The company's Project Volutus supports cloud providers and wireless carriers in delivering edge computing applications through a network of micro data centers situated at cell tower sites. Founded in 2015 and headquartered in Austin, Texas, Vapor IO serves a diverse clientele, including wireless carriers, cloud providers, and web-scale companies, with a focus on expanding its infrastructure across major markets.

Lightower Fiber Networks

Acquisition in 2017
Lightower Fiber Networks is a prominent fiber network and broadband service provider primarily operating in the Northeast. The company boasts an extensive network of over 33,000 fiber miles, delivering high-performance connectivity to a diverse range of sectors, including healthcare, financial services, media, cloud infrastructure, education, and government. With access to more than 3,500 commercial buildings across New England, eastern New York State, northern New Jersey, Long Island, and New York City, Lightower emphasizes regional density and reliability. Its service offerings include transport solutions, alternative access services, backup and recovery, as well as media distribution, ensuring that organizations benefit from scalable and secure networking options. Lightower Fiber Networks is headquartered in Boxborough, Massachusetts.

Vapor IO

Series B in 2017
Vapor IO, Inc. specializes in hyper modular data center solutions, focusing on edge computing and interconnection facilities. The company offers a range of products, including Kinetic Edge Exchange for low-latency data exchange, Kinetic Edge colocation for integrating multiple micro data centers, and Kinetic Edge Fabric for enhanced networking capabilities. Additionally, Vapor IO provides OpenDCRE, an open-source API for data center monitoring and management, and Vapor CORE for optimizing data center services with advanced analytics. Their Vapor Chamber represents a compact data center solution, while Vapor Edge is designed for building IoT and edge environments. The company's Project Volutus supports cloud providers and wireless carriers in delivering edge computing applications through a network of micro data centers situated at cell tower sites. Founded in 2015 and headquartered in Austin, Texas, Vapor IO serves a diverse clientele, including wireless carriers, cloud providers, and web-scale companies, with a focus on expanding its infrastructure across major markets.

Wilcon

Acquisition in 2017
Wilcon is the premier West Coast provider of best-in-class fiber and data center infrastructure solutions helping to enable the digital future of their service provider and enterprise customers. Their customers leverage their wholly-owned and operated fiber optic network to gain access to the most powerful combination of dark and lit fiber, data center and interconnection and capabilities in the region. Founded in 1998, the company continues to experience record growth and profitability and has been recognized by Inc. magazine as one of the fastest growing privately held companies.

Fibernet Direct

Acquisition in 2016
FPL FiberNet is a leading provider of end-to-end bandwidth infrastructure services specializing in fiber-optic network solutions that drive stronger business productivity and performance. We are a wholly-owned subsidiary of NextEra Energy, Inc., a leading clean energy provider and Fortune 200 company.

FPL FiberNet

Acquisition in 2016
FPL FiberNet is a telecommunications company that focuses on providing network services, specifically through fiber-optic solutions. The company offers end-to-end bandwidth infrastructure services designed to enhance business productivity and performance. By leveraging advanced fiber-optic technology, FPL FiberNet aims to deliver reliable and efficient connectivity for various business needs.

Tower Development

Acquisition in 2016
TDC develops wireless communications infrastructure in the U.S. and Puerto Rico in close partnership with Crown Castle.

Sunesys

Acquisition in 2015
Sunesys is a prominent provider of bandwidth services and private fiber optic networks, operating its own high-density fiber optic infrastructure in major U.S. metropolitan areas. The company specializes in a range of telecommunications services, including switched Ethernet, managed private Ethernet, private wavelength, and dark fiber solutions. Sunesys offers tailored, high-capacity network services, leveraging its industry expertise to deliver exceptional support and service. The company's operations span several states, including Pennsylvania, New Jersey, New York, Maryland, Delaware, Virginia, Ohio, Illinois, Georgia, Florida, and California. As a subsidiary of Quanta Services, Sunesys benefits from a broad network of resources and capabilities in infrastructure development.

TriStar Investors

Acquisition in 2014
TriStar Investors, Inc. is a company based in Pittsburgh, Pennsylvania, founded in 2005. It specializes in operating cell towers for wireless carriers across the United States. By providing essential infrastructure for telecommunications, TriStar plays a critical role in enhancing wireless communication networks.

NextG Networks

Acquisition in 2011
NextG Networks is a facilities-based carrier's carrier specializing in the design, permitting, construction, ownership, operation, and management of Distributed Antenna System (DAS) networks. The company focuses on enhancing the performance of mobile wireless infrastructure while addressing community concerns regarding aesthetics. Its DAS networks significantly improve wireless performance by increasing voice quality, enhancing call traffic capacity, reducing dropped calls, and providing better mobile coverage and faster data transfers. NextG employs innovative fiber-optic architecture and low-impact, low-emission equipment, supported by municipal rights-of-way agreements, to ensure efficient network deployment. The networks are protocol and frequency neutral, allowing them to support various wireless technologies and standards, thereby serving residential, urban, and challenging-to-zone areas across the United States for a diverse range of wireless carriers.

NewPath Networks

Acquisition in 2010
NewPath Networks is a company that was acquired by Crown Castle in 2010.

Global Signal

Acquisition in 2007
Global Signal is a prominent owner and operator of wireless communication towers and related structures in the United States, primarily focusing on the southeastern and mid-Atlantic regions. The company manages a diverse portfolio of communication sites, which serve various clients, including wireless service providers, government agencies, private network operators, and broadcasters. Global Signal's communication sites support a broad spectrum of services, such as wireless telephony, mobile radio, paging, broadcasting, and data services. By providing essential infrastructure for these communications, Global Signal plays a crucial role in enabling connectivity across multiple platforms.

Mountain Union Telecom

Acquisition in 2006
Mountain Union Telecom is a Telecommunications company.

Fibertower

Series A in 2005
FiberTower Corporation is a provider of facilities-based backhaul services to wireless carriers across the United States. The company specializes in the transport of voice, video, and data traffic from mobile base stations to mobile switching centers using a combination of wireless spectrum assets and fiber-optic relationships. FiberTower constructs and operates high-capacity hybrid microwave and fiber networks, offering diverse transport solutions based on protocols such as time division multiplexing, SONET, and Ethernet. As of early 2011, the company served over 6,000 billing customer locations across 13 markets, including major cities like Atlanta, Chicago, and New York. FiberTower is recognized as a leader in millimeter band fixed wireless technology, often referred to as "wireless fiber," and it provides spectrum leases along with backhaul and equipment services in its licensed areas. The company maintains strong relationships with mobile carriers and various industry stakeholders and engages in significant research and development initiatives. Headquartered in San Francisco, FiberTower operates as a subsidiary of AT&T Mobility Spectrum LLC.

GoldenState Towers

Acquisition in 2004
GoldenState Towers was acquired by Crown Castle International Corp. GoldenState Towers owns and operates wireless telecommunications towers in the western United States. It provides collocations services to various carriers. GoldenState Towers was formerly known as Central Wireless Partnership.
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