Verizon Communications Inc., through its subsidiaries, engages in the provision of communications, technology, information, and entertainment products and services to consumers, businesses, and governmental entities worldwide. It operates in two segments, Verizon Consumer Group (Consumer) and Verizon Business Group (Business). The Consumer segment provides wireless services across the wireless networks in the United States under the Verizon and TracFone brands and through wholesale and other arrangements; and fixed wireless access (FWA) broadband through its wireless networks, as well as related equipment and devices, such as smartphones, tablets, smart watches, and other wireless-enabled connected devices. The segment also offers wireline services in the Mid-Atlantic and Northeastern United States, as well as Washington D.C. through its fiber-optic network, Verizon Fios product portfolio, and a copper-based network. The Business segment provides wireless and wireline communications services and products, including FWA broadband, data, video and conferencing, corporate networking, security and managed network, local and long-distance voice, and network access services to deliver various IoT services and products to businesses, government customers, and wireless and wireline carriers in the United States and internationally. The company was formerly known as Bell Atlantic Corporation and changed its name to Verizon Communications Inc. in June 2000. Verizon Communications Inc. was incorporated in 1983 and is headquartered in New York, New York.

Vertiv Holdings Co, together with its subsidiaries, designs, manufactures, and services critical digital infrastructure technologies and life cycle services for data centers, communication networks, and commercial and industrial environments in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. It offers AC and DC power management products, switchgear and busbar products, thermal management products, integrated rack systems, modular solutions, and management systems for monitoring and controlling digital infrastructure that are integral to the technologies used for various services, including e-commerce, online banking, file sharing, video on-demand, energy storage, wireless communications, Internet of Things, and online gaming. The company also provides lifecycle management services, predictive analytics, and professional services for deploying, maintaining, and optimizing its products and their related systems; and preventative maintenance, acceptance testing, engineering and consulting, performance assessments, remote monitoring, training, spare parts, and digital critical infrastructure software services. It offers its products primarily under the Vertiv, Liebert, NetSure, Geist, E&I, Powerbar, and Avocent brands. The company serves cloud services, financial services, healthcare, transportation, manufacturing, energy, education, government, social media, and retail industries through a network of direct sales professionals, independent sales representatives, channel partners, and original equipment manufacturers. Vertiv Holdings Co is headquartered in Westerville, Ohio.

CACI International Inc, through its subsidiaries, engages in the provision of expertise and technology to enterprise and mission customers in support of national security in the intelligence, defense, and federal civilian sectors. The company operates through two segments, Domestic Operations and International Operations. The Domestic Operations segment offers digital solutions by modernizing enterprise and agency-unique applications, enterprise infrastructure, and business processes; C4ISR solutions, including command, control, communications, and computer (C4), as well as intelligence, surveillance, and reconnaissance (ISR) technology and networks; and cyber solutions for cybersecurity, cyberspace, electronic warfare, and signals intelligence operations. This segment also provides space solutions, comprising intelligence fusion, data analytic, and decision support, as well as logistics solutions; engineering services, such as platform integration, modernization and sustainment, system engineering, naval architecture, training and simulation, and logistics engineering; design, implement, protect, and manage secure enterprise IT solutions for federal agencies; and mission support solutions, that include analytic services, as well as scenario-based instruction across the spectrum of intelligence processing, collection, and products. The International Operations segment provides a range of IT services, proprietary data, and software products to the commercial and government customers in the United Kingdom, continental Europe, and internationally. The company was founded in 1962 and is headquartered in Reston, Virginia.

Cogent Communications Holdings, Inc., through its subsidiaries, provides high-speed Internet access, private network, and data center colocation space services in North America, Europe, Oceania, South America, and Africa. The company offers on-net Internet access and private network services to law firms, financial services firms, and advertising and marketing firms, as well as heath care providers, educational institutions and other professional services businesses, other Internet service providers, telephone companies, cable television companies, web hosting companies, media service providers, mobile phone operators, content delivery network companies, and commercial content and application service providers. It also provides Internet access and private network services to customers that are not located in buildings directly connected to its network; and on-net services to customers located in buildings that are physically connected to its network. In addition, the company offers off-net services to corporate customers using other carriers' circuits to provide the last mile portion of the link from the customers' premises to the network. Further, it operates data centers that allow its customers to collocate their equipment and access the network. It serves primarily to small and medium-sized businesses, communications service providers, and other bandwidth-intensive organizations. Cogent Communications Holdings, Inc. was founded in 1999 and is headquartered in Washington, the District of Columbia.

VNET Group, Inc., an investment holding company, provides hosting and related services in China. The company offers managed hosting services consisting of managed retail services, such as colocation services that dedicate data center space to house customers' servers and networking equipment, as well as allow customers to lease partial or entire cabinets for their servers; interconnectivity services that allow customers to connect their servers; and value-added services, including hybrid IT, bare metal, firewall, server load balancing, data backup and recovery, data center management, server management, and backup server services. It also provides cloud services that allow customers to run applications over the internet using IT infrastructure; and VPN services that extend customers' private networks by setting up connections through the public internet. In addition, the company provides server administration services, such as operating system support and assistance with updates, server monitoring, server backup and restoration, server security evaluation, firewall services, and disaster recovery services. It serves information technology and cloud services, communications and social networking, gaming and entertainment, e-commerce, automobile, financial services, and blue-chip and small-to-mid-sized enterprises; government agencies; individuals; and telecommunication carriers. The company was formerly known as 21Vianet Group, Inc. and changed its name to VNET Group, Inc. in October 2021. VNET Group, Inc. was founded in 1996 and is headquartered in Beijing, the People's Republic of China.

NetScout Systems, Inc. provides service assurance and cybersecurity solutions to protect digital business services against disruptions in the United States, Europe, Asia, and internationally. The company offers nGeniusONE management software to predict, preempt, and resolve network and service delivery problems, as well as facilitate the optimization and capacity planning of their network infrastructures; and specialized platforms and analytic modules to analyze and troubleshoot traffic in radio access and Wi-Fi networks. It also provides nGeniusPULSE, an active testing tool to identify infrastructure performance issues and determine application availability, reliability, and performance; and nGenius Business Analytics solution, which enables service providers to analyze their network traffic. In addition, the company offers ISNG platform for real-time collection and analysis of information-rich, high-volume packet-flow data from across the network that is displayed through the nGeniusONE Service Assurance Solution; vSTREAM, a virtualized form factor version of its intelligent data source; packet flow systems, including the nGeniusONE Service Assurance platform; and test access points. Further, it provides cybersecurity solutions to protect networks against distributed denial of service attacks under the Arbor brand, such as Arbor Sightline, Arbor Threat Mitigation System, Arbor Insight, Arbor Edge Defense, and Arbor Cloud; and advanced threat detection solutions, such as Omnis Cyber Investigator. It serves enterprise customers in various industries, including financial services, technology, manufacturing, healthcare, utilities, education, transportation, and retail; mobile operators, wireline operators, cable operators, Internet service providers, and cloud providers; and governmental agencies through a direct sales force, and indirect reseller and distribution channels. The company was incorporated in 1984 and is headquartered in Westford, Massachusetts.

Tucows Inc. provides network access, domain name registration, email, mobile telephony, and other Internet services in North America and Europe. It operates in three segments: Ting, Wavelo and Tucows Domains. The Ting segment provides fiber and fixed wireless internet services. The Wavelo segment offers individual developer tools, subscription, billing management, network orchestration, and provisioning services. This segment also provides billing solutions under Platypus brand. The Tucows Domains segment offers name registration, as well as value added services under OpenSRS, eNom, Ascio, EPAG, and Hover brands. The company was formerly known as Infonautics, Inc. and changed its name to Tucows Inc. in August 2001. Tucows Inc. was incorporated in 1992 and is headquartered in Toronto, Canada.

VirnetX Holding Corporation, through its subsidiary VirnetX, Inc., operates as an Internet security software and technology company primarily in the United States. The company develops software and technology solutions, including secure domain name registry and GABRIEL Connection Technology that are designed to secure communications over the Internet using zero trust network access. It also offers a portfolio of licenses and services, such as VirnetX One, a security-as-a-service platform that protects enterprise applications, services, and infrastructure from cyber-attacks; GABRIEL Connection Technology software development kit to assist with rapid integration of its techniques into existing software implementations; War Room software that offers safe and secure video conferencing meeting environment where sensitive communications and data is invisible to those not authorized to view it; and VirnetX Matrix that provides security for internet-enabled enterprise applications and their connected devices. In addition, the company provides GABRIEL Collaboration Suite that enables seamless and secure cross-platform communications between users' devices. It serves domain infrastructure and communication service providers, and system integrators; and enterprise customers, developers, and original equipment manufacturers of chips, servers, desktops, smart phones, tablets, laptops, net books, and other devices in the IP-telephony, mobility, fixed-mobile convergence, and unified communications markets. The company has a partnership with ObjectSecurity LLC to provide secure cyber vulnerability analysis in private cloud environments. VirnetX Holding Corporation was incorporated in 2005 and is headquartered in Zephyr Cove, Nevada.