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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.

Telephone and Data Systems, Inc., a telecommunications company, provides communications services in the United States. It operates through two segments: UScellular and TDS Telecom. The company offers wireless solutions to consumers, and business and government customers, including a suite of connected Internet of things (IoT) solutions, and software applications for monitor and control, business automation/operations, communication, fleet and asset management, smart water solutions, private cellular networks and custom, and end-to-end IoT solutions; wireless priority services and quality priority and preemption options; smartphones and other handsets, tablets, wearables, mobile hotspots, fixed wireless home internet, and IoT devices; and accessories, such as cases, screen protectors, chargers, and memory cards, as well as consumer electronics, including audio, home automation and networking products. It also provides replace and repair services; Trade-In program through which it buys customers' used equipment; internet connections and all-home Wi-Fi services; TDS TV+, an integrated cloud television platform that offers video content and features; local and long-distance telephone service, voice over internet protocol, and enhanced services; broadband, IP-based services, and hosted voice and video collaboration services; and communication services in underserved areas. The company sells its products through retail stores, direct and indirect sales, third-party retailers, and independent agents, as well as through ecommerce and telesales. Telephone and Data Systems, Inc. was incorporated in 1968 and is headquartered in Chicago, Illinois.