Zayo

Crown Castle designs, builds & operates small cell networks nationwide, enhancing mobile densification for cellular carriers.

Intelligent Fiber Network, LLC is a telecommunications company based in Indianapolis, Indiana, specializing in fiber optic connectivity and related services. Established in 2002, it primarily serves independent telephone company members and owners, leveraging their extensive experience of over a century in the industry. The company offers a range of services, including Ethernet transport, high-speed wavelength services, dedicated Internet access, colocation, and custom fiber builds. Intelligent Fiber Network is committed to delivering reliable and innovative solutions, emphasizing a high network uptime of 99.999%. Its clientele includes medium to large enterprises, national carriers, and international carriers, enabling them to address diverse telecommunication needs effectively.

Neutral Path Communications is a fiber communication services provider based in Mankato, Minnesota, focused on addressing the growing demand for efficient fiber connectivity in the Midwest. The company specializes in operating neutral fiber network lines, offering a range of services including dark fiber, optical and dim waves, Ethernet, and cross-connect solutions. Neutral Path is designed to simplify the process of accessing fiber infrastructure, enabling broadband providers, content delivery networks, data-center operators, and other network operators to connect seamlessly to key carrier aggregation points. By optimizing these connections, Neutral Path facilitates cost-effective peering and access to low-cost upstream Internet providers. Additionally, the company establishes wholesale partnerships with existing fiber owner/operators, enhancing access to last-mile destinations and generating new revenue opportunities for customer partners through the utilization of underused fiber capacity.

Optic Zoo Networks Ltd., founded in 2011 and based in Burnaby, Canada, specializes in the ownership and operation of a high-capacity dark fiber network and infrastructure. The company provides cost-effective network solutions tailored for carriers, data centers, telecommunications partners, commercial customers, service providers, and various institutions. Optic Zoo Networks boasts an extensive carrier-grade network throughout Metro Vancouver, which is designed to meet or exceed the specifications required by major carriers and discerning data centers across Canada. As a subsidiary of Zayo Group Holdings, Inc., Optic Zoo Networks is positioned to play a significant role in the telecommunications landscape.

Electric Lightwave, LLC is a communications network services provider based in Portland, Oregon, specializing in solutions for telecom carriers across the United States. Established in 1990, the company offers a range of services, including long haul and metro private line services that facilitate data transmission, wide area network connectivity, and video transmission. Additionally, Electric Lightwave provides Internet access and value-added services, such as domain name management, IP addressing, managed router services, and news server access. The company also delivers voice services, including integrated services digital network offerings. As of March 1, 2017, Electric Lightwave operates as a subsidiary of Zayo Group, LLC, continuing its commitment to delivering reliable and secure communication solutions tailored to meet the needs of its clients.

Viatel Technology Group, a member of the Digiweb Group, is an Ireland-based telecommunications company established in 1991. It specializes in providing a range of services, including voice, data connectivity, data center solutions, and managed WAN services. Viatel caters to small and medium-sized enterprises, corporate clients, public sector organizations, and wholesale customers by offering cost-effective and tailored telecom solutions. Its connectivity services encompass Ethernet lines, dedicated internet access, broadband, and international connectivity. In the voice segment, the company provides VoIP, inbound services, traditional telephony, unified communications, and contact center solutions. Additionally, Viatel offers data center services such as colocation, dedicated server hosting, and cloud computing. The managed services division includes managed WANs, firewalls, and cloud server solutions, enabling clients to concentrate on their core business activities while benefiting from advanced technology and support.

Geo Networks Limited is a company based in the United Kingdom that specializes in designing, building, and operating fiber network solutions. It provides optical fiber networks tailored for data users, offering services such as point-to-point connectivity and data center interconnections. In addition to its core network services, Geo Networks also offers consultancy services aimed at mobile operators, service providers, systems integrators, banks, and public sector organizations. Through its comprehensive solutions, the company addresses the connectivity needs of various sectors, ensuring reliable and efficient data transmission.

Neo Telecoms is a telecommunications company specializing in black fiber optic infrastructure and data center services. It provides high-speed connectivity and a range of offerings including optical fiber, international hosting, and IP services. The company caters to both enterprises and public organizations, delivering solutions such as private networks and cloud computing services. Through its advanced infrastructure, Neo Telecoms aims to meet the growing demands for reliable and efficient communication and data management in the digital age.

FiberLink, LLC, established in 2004 by three independent telephone companies from the Midwest and Anderson Pacific Corporation, specializes in fiber optic transmission services. The company provides optical fiber and connectivity solutions to a diverse range of telecommunications providers, including local telephone exchange companies, cable television providers, cellular carriers, and large business users, as well as some of the largest telecommunications companies globally. In October 2013, FiberLink was acquired by Zayo Group, further enhancing its capabilities in the telecommunications sector.

First Telecom Services, LLC owns and operates fiber optic network of various route miles and fiber miles. It offers fiber network, wireless, fiber collocation, private network, and infrastructure services. The company serves telecommunications, financial, government, education, and healthcare markets. It provides its solutions in Ohio, Pennsylvania, New Jersey, New York, Maryland, Delaware, Michigan, and Washington. The company was formerly known as FirstEnergy Telecom Services, Inc. and changed its name to First Telecom Services, LLC in March 2008. The company was founded in 1996 and is based in Reading, Pennsylvania. As of March 10, 2008, First Telecom Services, LLC operates as a subsidiary of First Communications, Inc.

US Carrier is a regional fiber-based bandwidth services provider with a network that spans the southeastern United States.

FiberGate is a provider of dark fiber services, specializing in the leasing of fiber optic networks. Originally established to meet the growing demand for high-capacity connectivity, the company offers solutions that enable clients to enhance their telecommunications infrastructure. In 2012, FiberGate was acquired by Zayo, which expanded its capabilities and reach in the fiber optics market. The company's focus on dark fiber allows businesses to leverage private, high-speed data transmission tailored to their specific needs.

AboveNet, Inc. specializes in high-bandwidth connectivity solutions tailored for businesses and carriers, primarily in the United States and the United Kingdom. The company operates a private optical network that provides essential network and Internet Protocol (IP) services across major metropolitan markets and globally. AboveNet's services are particularly beneficial in sectors that require robust connectivity, such as financial services, media, healthcare, retail, and government. By offering a reliable communications infrastructure, AboveNet caters to a diverse clientele, including commercial banks, brokerage firms, insurance companies, investment banks, and various web-centric businesses.

360networks is a wholesale provider of telecommunications services, specializing in Ethernet, private line transport, IP, VoIP, and local access solutions. Established in 1987 and headquartered in Seattle, Washington, the company operates a robust fiber optic network that spans 18,000 route miles across more than 60 markets, including states such as California, Texas, and Arizona. Its comprehensive service offerings are designed to meet the needs of carriers, internet service providers, and cable companies. As the company continues to expand its network, it remains committed to delivering reliable and efficient communication solutions to its clients.

American Fiber Systems is a provider of dark fiber metropolitan infrastructure and wholesale transportation services, catering to carriers and enterprises across the United States. Founded in 1999 and headquartered in Rochester, New York, the company specializes in metropolitan fiber optic networking solutions. Its offerings include dark fiber, Ethernet transport, Internet access, managed wavelengths, TDM transport, and SONET ring services. Additionally, American Fiber Systems provides colocation and VLAN tagging services, ensuring comprehensive support for its clients' communication and data needs.

AGL Networks dark-fiber telecommunications business.

NTI, which was founded in 1999 and operated 1,500 miles of carrier class fiber, will become part of Zayo Bandwidth. The unit provides fiber-based bandwidth solutions to carriers, web-centric companies, public and educational institutions and enterprises and includes private line, wavelength, Ethernet, Internet and colocation.

Columbia Fiber Solutions is a company that was acquired by Zayo in 2008.

CenturyTel Markets is a provider of communications, high-speed Internet and entertainment services.

PPL Telecom is a company that was acquired by Zayo in 2007.