Zayo provides fiber-based Bandwidth Infrastructure and network-neutral colocation and interconnection services. Zayo serves wireline and wireless carriers, data centers, Internet content and services companies, high bandwidth enterprises as well as federal, state, and local government agencies. Zayo provides these services over regional, metro, and fiber-to-the-tower networks. It was founded in 2007 and is based in Boulder, Colorado.

Equinix (NASDAQ: EQIX) connects businesses with partners and customers through a global platform of high performance data centers, containing dynamic ecosystems and the broadest choice of networks. Enterprises, cloud, digital content, and financial companies connect to network service providers and rely on Platform Equinix to grow their business, improve application performance and protect their vital digital assets. The company operates in the Americas, EMEA and Asia-Pacific and continually invests in expanding its platform to power customer growth.

Savvis Communications Corporation. The Group's principal activity is to provide global data networking and Internet-related services to medium and large businesses, multinational corporations and Internet service providers. The Group offers services and products under different trade names: Managed IP, High bandwidth Internet access and Managed hosting. Managed IP services business aims to provide managed data networking services to corporate customers. The Group offers both fully managed Internet solutions, as well as Internet access. It aims to provide all equipment, installation and technical support to manage the circuit. Managed hosting aims to provide reliable, high-performance Internet connectivity; data center security; scalability; and the ability to monitor performance at the site. The Group operates in America, Europe and Asian countries. Managed IP accounted for 82% of 2002 revenues; Managed hosting, 8%; Internet access, 8% and Other, 2%. In April 2011, Savvis was acquired by CenturyLink. The valuation of Savvis was $3 billion.

Telx provides interconnectivity solutions through network-neutral and network rich colocation facilities. Per the company, over 600 leading telecommunications carriers, ISPs, content providers and enterprises rely on Telx's world-class team to support their mission-critical global infrastructure needs and to create a global connectivity marketplace to dramatically expand their business growth opportunities. Telx is a privately held company headquartered in New York City with facilities in New York, Atlanta, Chicago, Dallas, Los Angeles, San Francisco, Santa Clara, Miami, Phoenix, Charlotte, as well as Weehawken and Clifton, N.J.

Terremark Worldwide provides utility-enabled managed IT infrastructure solutions in the United States and internationally.

Internap (INAP) is an internet infrastructure provider with hybrid infrastructure across a global network of data centers, optimized from the application to the end user.