Teenagers across the UK may argue it's not oxygen, but rather the other O2 that sustains their lives. Telefonica O2 UK -- a branding choice intended to reflect the essential nature of the company's products -- puts mobile phones and wireless services in the hands of about 22 million individual and business customers in the UK. The company also provides broadband services to about 700,000 subscribers. Through almost 500 retail stores and its O2 Online Shop, the company offers voice, text, media messaging, games, music, video, and data connections for wireless users. The company is a primary operating subsidiary of cell phone giant Telefonica O2 Europe, accounting for almost half of its parent's annual revenues.

Proxim Wireless works without a wire when it builds nets. The company provides broadband wireless network equipment, including radios, bridges, and access gear. Communication carriers and service providers, enterprises, government agencies, schools, and health care providers use its products to offer network access, build video surveillance and public safety systems, and provide telecom backhaul connections. Proxim sells its products worldwide through distributors, resellers, systems integrators, and OEMs. Its engineering team works with channel partners and end users.

Alcatel Egypt SAE company began operations in Egypt in 1986. Alcatel Egypt does the bidding of its parent, telecom equipment firm Alcatel-Lucent, in the Middle East and Africa. The company operates in nearly 70 countries from Afghanistan to Guinea selling hardware for voice, data, and video transmission to telecom carriers and ISPs. Major customers include Pakistan Telecommunications, Dubai Metro, Etisalat, Vodafone, Nile Online, Saudi Telecom, and Orascom. Alcatel Egypt supports both fixed line and mobile operators, running a dozen mobile networks in infrastructure-challenged locales like Yemen, Algeria, and Afghanistan. Its also offers voice, video, and data services directly to customers in Kuwait and Pakistan.

Aquis brings more than 22 years of experience in telecom management, software development and billing provisioning. Trust a veteran, Aquis has helped more companies save money on their telecom services than any other in our field.Aquis is carrier agnostic, always working in your best interest.Aquis offers purchasing power and telecom know-how. We have been building and maintaining networks for more than 20 years.Our clients enjoy a world class call center and exceptional customer service.Provisioning and inventory is managed in our state-of-the-art data and order fulfillment center.Aquis has seasoned engineers and technicians with many years experience building and maintaining telecom networks.Aquis offers a complete solution for managing and optimizing your telecom assets including wireless and wire line assets. Aquis remains totally neutral, not receiving compensation from any carrier for service activations or equipment activity. Our experience and business analysis make Aquis the best-fit provider.

First Mobile Group Holdings distributes mobile phones and accessories to customers in the Asia/Pacific region. First Mobile Group Holdings company also has retail chains under the brand name Mobile City in Hong Kong and Malaysia. First Mobile Group's distribution network has operations across China, Hong Kong, Malaysia, the Philippines, and Taiwan. US subsidiary First Telecom USA distributes Motorola, Samsung, Sony Ericsson, Nokia and LG phones. First Mobile sold 5.8 million phones in 2007, up from 5.5 million in 2006. Executive chairman Ng Kok Hong and his spouse own about 31% of the firm. Malaysian company NKT Holdings, which is owned by executive deputy chairman Ng Kok Tai and his spouse, owns 30% of First Mobile Group.

Hamamatsu Photonics designs and builds optical and electronic components used by manufactures of high-tech and industrial machinery. The company divides its business into two main units. Its optoelectronic devices business produces electron tubes, imaging devices, light sources, and solid- state components used in the production of communications devices, industrial automation equipment, and radiological gear. Hamamatsu's imaging and measuring instruments division makes image processing and analysis products such as cameras and optical microscopes used by semiconductor manufacturing and pharmaceutical research firms. Hamamatsu Photonics K.K. company operates in Asia, Europe, and North America through subsidiaries.

Spacenet designs, develops, and manages services for wireline and wireless broadband network solutions. Our high- performance communications solutions meet the needs of business, government and industrial organizations that require fast, flexible, and geographically dispersed two-way Internet or private access. Utilizing nearly 30 years of industry leading experience, Spacenet serves more than 100,000 customer locations. With our unique blend of technology leadership, solution innovation, and customer intimacy, Spacenet clients benefit from high reliability and performance, ease of installation and nationwide availability.

Cox Communications® is characterized by many outstanding features, but we like to celebrate our entrepreneurial spirit, and our commitment to education. Cox Enterprises, Inc., is the parent company of Cox Communications, and it serves as the model from which we derive our vision and focus as a company.Back in 1898, James M. Cox went from a school teacher to founder of the company. He then served three terms as governor of Ohio and eventually ran in the 1920 U.S. presidential election as the Democratic nominee. In that same year, Gov. Cox purchased his first newspaper, the Dayton (OH) Evening News - the first step in creating the company that Cox Enterprises is today – a company with extensive interests in newspapers, television, radio and automobile auctions.

Kcom provides worry-free management of your critical communications, giving you the time and freedom to plan for tomorrow.On 18 November 2009, KCOM Group Plc brought together Kingston Communications (outside Hull and East Yorkshire) with Affiniti to create a single business under the name Kcom.Kcom combines Affiniti’s core expertise in managing complex communication infrastructures and applications with Kingston Communications’ connectivity and hosting solutions. The combined business can now offer a wide range of leading edge communication services, and a commitment to delivering a different class of service to our customers.And as well as a customer-centric, flexible approach, Kcom has over 100 years’ experience understanding communication needs and applications. You get great, flexible, proactive service, backed up by our proven carrier strength.

Level 3 Communications, Inc. engages in the communications business in North America and Europe. It offers network and Internet services, including transport services, high speed Internet protocol services, dedicated Internet access, virtual private network services, and dark fiber services, as well as managed modem, an outsourced, turn-key infrastructure solution; and colocation services. The company also provides various media services, comprising Vyvx services that provide audio and video feeds over fiber or satellite; content delivery network services; media delivery services to customers seeking to manage, protect, and monetize content delivered over the Internet; a range of local and long distance voice services, such as voice over Internet protocol (VoIP) and traditional circuit-switch based services; and VoIP Enhanced Local, a VoIP service that enables broadband cable operators, IXCs, VoIP providers, and other companies operating their own switching infrastructure to launch IP-based local and long-distance voice services through a broadband connection.

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