HF Company may not necessarily be sending you signals, but it sure hopes you receive them. For businesses, the firm designs and markets signal processing equipment for high- speed network access. For individual customers, it makes equipment for terrestrial and satellite TV reception (cables, plugs, connectors, amplifiers, antennas); digital peripheries to interconnect TV, HiFi, and IT equipment (cables, connectors, interface boxes, wireless boxes); and security products (alarms, intercoms, automatic door devices). Nearly two-thirds of its annual sales come from France. Chairman and managing director Yves Bouget formed HF company in 1988 and controls a nearly 20% stake.

Telephonics helps its clients place calls from helicopters, among other places. The company makes communications equipment for military and commercial customers. It specializes in maritime and military surveillance and targeting radar; headsets and microphones for aerospace applications; wireless communications and audio distribution systems for military and mass transit vehicles; and electronic components to enable such functions as flight crew intercoms and video monitoring. The company's equipment is used for applications including air traffic control, missile defense guidance, and search and rescue. Clients have included the US Air Force and Lockheed Martin. Telephonics is a subsidiary of Griffon.

Harmonic Inc. designs, manufactures, and sells video products and system solutions that enable service providers to deliver broadcast and on-demand services. Its broadcast and on-demand services include high-definition television, video-on-demand, network personal video recording, and time- shifted TV. Harmonic Inc. company offers video processing products, including broadcast encoders, contribution and distribution encoders, stream processing and statistical multiplexing solutions, and decoders and descramblers. It also offers management and control software products that consist of NMX Digital Service Manager that gives service providers the ability to control and visually monitor their digital video infrastructure at an aggregate level; and NETWatch management system, which operates in broadband networks to capture measurement data and enables the broadband service operator to monitor and control the hybrid fiber-coax transmission network from a master headend or remote locations. In addition, Harmonic Inc. company provides content management software that comprise CLEARCut storage encoding and CarbonCoder software, which facilitate the creation of multi-format video for Internet, mobile, and broadcast applications; ProStream 8000 solution that allows operators to present on-screen mosaics with various channels tiled within a single video stream; and Armada and Streamliner products for the management of an operator’s video-on-demand assets and the distribution of these assets to subscribers. Further, it offers edge and access products, such as edge products, optical transmitters and amplifiers, and optical nodes and return path equipment. Further, the company provides consulting, implementation, and integration services. It sells and markets its products through direct sales force, independent distributors, and integrators to various broadband communications companies primarily in the United States. Harmonic Inc. company was founded in 1988 and is headquartered in Sunnyvale, California.

AT&T is bringing it all together for our customers, from the revolutionary iPhone 4 to next-generation TV services and sophisticated solutions for multi-national businesses. For more than a century, we have consistently provided innovative, reliable, high-quality products and services and excellent customer care. Today, our mission is to connect people with their world, everywhere they live and work, and do it better than anyone else. We're fulfilling this vision by creating new solutions for consumers and businesses and by driving innovation in the communications and entertainment industry. We're recognized as one of the leading worldwide providers of IP-based communications services to businesses. We also have the nation's fastest mobile broadband network and the largest international coverage of any U.S. wireless carrier, offering the most phones that work in the most countries; the largest Wi-Fi network in the United States; and the largest number of high speed Internet access subscribers in the United States.

Ditech Networks, Inc. was founded in 1983 and is headquartered in Mountain View, California. Ditech Networks, Inc. offers communications with voice processing solutions that perform tasks ranging from voice-enabled Web 2.0 and unified communications services to voice quality enhancement. The company offers various solutions that deliver voice communication and enable voice capabilities to new communications methods, such as social networking and text messaging. Its products help communications companies worldwide meet the multiple challenges of service differentiation, network expansion, and call capacity, by delivering voice quality. The company was formerly known as Ditech Communications Corporation and changed its name to Ditech Networks, Inc. in May 2006.

Audiovisual was Founded in 1974, AVI Systems is an audio visual systems integrator focused on building professional solutions for business, commercial, educational and government clients. With offices in 9 states throughout the upper Midwest and in southern California, we have both a regional presence and a nationwide scope of operation.

Kabel Deutschland (KD), Germany’s largest cable operator, offers its customers digital, high definition (HD) and analogue TV, Pay TV services, broadband Internet (up to 100 Mbit/s) and fixed line phone services via cable as well as mobile services in cooperation with an industry partner. The publicly listed company (MDax) operates the cable networks in 13 German federal states and supplies its services to approximately 8.9 million connected households. As per end of fiscal year 2009/2010, Kabel Deutschland had approximately 2,600 employees. In fiscal year 2009/2010 (12 months ended March 31, 2010), the company reported revenues of €1,502 million and Adjusted EBITDA of €659 million.

GigaBeam won't teleport your crew, but it can provide communications at transmission rates that approach "warp speed." GigaBeam company offers line-of-sight point-to-point wireless communications transmission at a gigabit per second or faster. Its network operates in the 71 to 76 GHz and 81 to 86 GHz spectrum, which provides ample bandwidth and high quality. The "virtual fiber" links between GigaBeam transceivers offers a high-speed alternative to the "last mile" communications network connection.GigaBeam company was founded in 2004. GigaBeam completed a Chapter 11 bankruptcy reorganization in 2009.

XO Holdings gets down to the Xs and Os of business telecom services. The holding company for XO Communications provides telecommunications services to large corporations, small and midsized businesses, government agencies, and other telecom carriers over a network of about 1 million miles of metropolitan fiber. XO Communications offers local and long- distance voice, dedicated Internet access, private networking, data transport, and managed services such as Web hosting and bundled voice and data services. The company has more than 90,000 customers, including wholesale network access provider Covad Communications and network and IT services provider SAVVIS. Billionaire financier Carl Icahn controls 89% of XO.

Hughes Network Systems, LLC (HUGHES) is the global leader in providing broadband satellite networks, services, and products for large enterprises, service providers, governments, small businesses, and consumers. HughesNet® encompasses all broadband solutions and managed services from Hughes, bridging the best of satellite and terrestrial technologies.Hughes owns and operates service businesses in the US, Europe, India, and Brazil, delivering continent-wide HughesNet broadband satellite connectivity along with an ever growing range of applications. Major enterprise customers include many Fortune 1,000 companies in virtually every vertical sector. HughesNet consumer/SMB subscribers now number over 500,000, making Hughes the largest provider of high-speed satellite Internet access in the U.S.

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