Level 3 Communications

Black Lotus Communications is a leader in availability security, specializing in innovative solutions for distributed denial of service (DDoS) protection. The company has developed the first commercially viable DDoS mitigation technologies, enabling service providers and enterprises to safeguard their networks against DDoS attacks. Their offerings include DDoS protected cloud services, network and website protection, and bare metal cloud servers, which aggregate data flows from their DDoS mitigation infrastructure. Black Lotus Communications has made significant advancements in the field, including the creation of the world's first DDoS protected hosting network and the first effective mitigation strategies for application layer attacks. Their clientele primarily consists of data centers, telecommunications carriers, and web hosting providers, all benefiting from their cutting-edge protection solutions.

tw telecom is a prominent provider of telecommunication services in the United States, specializing in managed network solutions, including Ethernet and transport data networking. The company offers a comprehensive suite of services, such as internet access, local and long-distance voice services, voice over Internet protocol (VoIP), and network security. With a robust national fiber network, tw telecom connects over 20,000 commercial buildings, positioning itself as one of the three largest providers of Business Ethernet in the country. The company is committed to delivering predictable and secure networks, along with scalable technology solutions aimed at advancing business operations for enterprises and large organizations. Its focus on superior customer experience emphasizes responsiveness and collaboration, making it a trusted communications service provider in the industry.

IP Networks is a telecommunications company that offers data, internet, and applications services to commercial enterprises, government agencies and service providers.

Global Crossing Limited is a telecommunications solutions provider that offers a comprehensive range of data, voice, and collaboration services to wholesale and business customers. With operations primarily in North America, Europe, Latin America, and parts of the Asia/Pacific region, the company is structured into three segments: Global Crossing (UK) Telecommunications Limited, which focuses on the UK market; GC Impsat Holdings I Plc, which serves Latin American customers; and its remaining operations, which cover North America and smaller markets in Europe, Latin America, and Asia. Global Crossing's service offerings include virtual private networks, leased lines, audio and video conferencing, long-distance telephone services, and VoIP solutions, enabling clients to access a variety of telecommunications products tailored to their needs.

Savvis - Content Delivery Network (CDN) services business provides global data networking.

Broadwing Communications, founded in 1962, provides telecommunication services to enterprises, carriers, and government entities. The company operates two divisions: Broadwing Communications, LLC, offering data, internet, voice, and broadband transport services to carrier and enterprise customers across 137 cities, and Corvis Equipment Corporation, designing and selling high-performance optical and electrical/optical communications systems. In response to industry changes, Broadwing shifted its focus to primarily providing communication services, which now make up 99% of its revenue. In 2006, Broadwing Corporation was acquired by Level 3 Communications, marking a significant event in the company's history.

Looking Glass Networks, Inc. is a provider of data transport services that specializes in fast provisioning of SONET, wavelength, and Ethernet-based lit services, as well as high-capacity dark fiber and carrier-neutral colocation services for both carrier and enterprise customers. As a facilities-based company, it builds, owns, and operates metropolitan fiber optic networks across major U.S. metropolitan areas, covering approximately 2,000 route miles and connecting to around 215 buildings. Looking Glass Networks utilizes flexible optical and operational support systems to ensure rapid delivery and high-capacity connectivity. Its physically diverse infrastructure enables reliable connections to primary carrier hotels, ILEC Central Offices, and key enterprise buildings. With its protocol-agnostic platform, the company focuses on delivering tailored local network connectivity and flexible service options to address the substantial bandwidth requirements of its customers.

ICG Communications is a nationwide communications company that provides data and voice services to internet service providers (ISPs), telecommunication carriers, and corporate customers. The Company is a competitive local exchange carrier (CLEC) certified in most states, holding interconnection agreements with every major local exchange carrier. ICG's facilities support three primary product offerings: dial-up services, point-to-point broadband services, and corporate services. As of December 2002, the Company had approximately 806,000 ISP customer ports providing primary rate interface (PRI) and remote access services (RAS). ICG Communications was founded in 1986 and is headquartered in Englewood, Colorado. As of May 31, 2006, ICG Communications, Inc. operates as a subsidiary of Level 3 Communications, Inc.

WilTel Communications Group Inc. provides Internet, data, voice, and video services. The company operates in two segments: Network and Vyvx. Network's products and services fall into eight categories: Packet-based data services, Private line services, Voice services, Optical wave services, Backhaul services, Dark fiber and conduit rights, Collocation services, and Managed Services. Network's customers include regional Bell operating companies, cable television companies, Internet service providers, application service providers, data storage service providers, managed network service providers, digital subscriber line service providers, long distance carriers, local service providers, utilities, governmental entities, educational institutions, international carriers, and other communications services providers. Vyvx’s' primary products and services fall into the following categories: Fiber Optic and Satellite, Video Transport Services, Occasional and Dedicated Fiber MPEG-2 Compressed Video, Occasional and Dedicated 45 megabits per second Video, Sports Package, VenueNet®, First Video® Affiliates, Teleport and Transponder, International Video Transmission, Audio Distribution, Video Distribution, Electronic Distribution, and Physical Distribution. Vyvx's sells to media content service providers and businesses that use media content as a component of their business. WilTel Communications Group Inc. was formerly known as Williams Communications Group, Inc. and changed its name to WilTel Communications Group Inc. in September, 2002. The company was incorporated in 1994 and is based in Tulsa, Oklahoma. WilTel Communications Group Inc. operates as a subsidiary of Level 3 Communications, LLC.

Edgewater Networks Inc. is a manufacturer of managed services platforms designed for the delivery of IP-based voice, video, and data services to service providers, small businesses, and large enterprises. Founded in 2002 and headquartered in Santa Clara, California, the company offers a range of solutions, including the EdgeView Service Control Center, which detects and resolves network impairments affecting VoIP call quality, and Intelligent Edge solutions that facilitate interoperability among various VoIP and video devices. Additionally, Edgewater provides a hybrid cloud and edge solution known as Network Edge Orchestration, which integrates its EdgeView Service Control Center with EdgeMarc Intelligent Edge solutions. The company also offers interoperability certification services for PBX systems and various professional services related to network planning, building, and operation. With over 600,000 deployed sites globally, Edgewater Networks serves its clients through authorized distributors both in the United States and internationally.

Genuity, later sold to GTE.

Spectrum Corporation is a leader in Unified Contact Center Reporting (UCCR). UCCR is a process of extracting real-time and historical data from contact center applications, transforming that raw data into information and publishing that information in useable reports for all levels of the contact center. The reports are seen on dashboards, LCD screens, desktops, wallboards, web based reports, email and smartphones. Incorporated in 1971, Houston, Texas-based Spectrum has consistently been an innovative leader offering a “total solution” that maximizes performance and increases efficiency in companies worldwide, including many Fortune 500 companies.

Telseon, Inc. is a provider of Internet infrastructure services operating over optical networks in major metropolitan areas. The company specializes in data transport services and offers a range of connectivity solutions, including optical network services, point-to-point, point-to-multipoint, and multipoint-to-multipoint connections. Additionally, Telseon provides bandwidth enhancement services and various Ethernet services to meet the diverse needs of its clients.

e-Net is a real estate marketing company that distributes websites, mobile technologies, and voice response systems.