Sony Ericsson Mobile Communications wants to build a better voice trap. The joint venture between Japan-based consumer electronics maker Sony and Sweden-based Ericsson combines the cell phone operations of both companies. It was established to draw on the wireless technology of Ericsson, the world's leading maker of wireless network equipment, and Sony's expertise in developing popular consumer gadgetry; the companies phased out their separately-branded phones in favor of co-developed models. Sony Ericsson is squared off against such cell phone stalwarts as Nokia and Motorola, as well as Samsung. Sony and Ericsson each own half of the venture, which was founded in 2001.

ANDA Networks products strive for ubiquity. ANDA Networks company provides equipment for fiber and copper-based networks that service providers use to deliver voice and data services to their subscribers. Its EtherTone product line enables services such as high-speed Internet access and voice-over-IP. ANDA makes sales through relationships with such equipment makers as Ciena and Nortel Networks to communications service providers worldwide. The company's investors include Venrock Associates (28%), Highland Capital Partners (21%), ADC Telecommunications, Amerindo Investment Advisors, Crimson Ventures, Franklin Templeton, InveStar Capital, and Saints Venture.

TriNet Communications is a distributor of telecommunications components from such suppliers as 3M and Harris.TriNet Communications specializes in such products as cable, cable splitters, line cards, and test equipment. In addition to its distribution services, which include a variety of assembly and packaging options, TriNet has a manufacturing facility at its northern California location that produces a line of plugged cable stubs. Its customers include incumbent and competitive local exchange carriers (including AT&T), cable television companies, government agencies, and network installation contractors.TriNet Communicationshas three distribution centers in Marietta, Georgia; Dallas; and the San Francisco area.

Merrimac Industries is a manufacturer of microwave and radio-frequency (RF) components, subsystem assemblies, and branded Multi-Mix micro-multifunction modules, including beam formers, couplers, and phase shifters. Its components are used for aerospace, missile guidance, and satellite applications as well as homeland security. Customers include medical equipment and communications industries. The company's top customers are Raytheon, Northrop Grumman, Boeing, and Lockheed Martin; collectively, these companies represent almost 60% of total sales. Merrimac nets sales largely in North America.Merrimac Industries company has facilities in the US, and Costa Rica. Merrimac was acquired by Crane in February 2010.

Telect has the hook-ups that enable hang-ups. The company makes network connectivity and power distribution hardware for telecommunications service providers. Local telephone, long-distance, and wireless carriers use Telect's mainframe termination units, patch bays, fuse bays, and circuit panels. Telect also sells copper wire and fiber-optic cables. The company works directly, through resellers, and through agreements with other telecom equipment makers, primarily in the US. Distributors include ALLTEL, Graybar, Sprint, and Verizon. Chairman Bill Williams and his wife, vice chairman Judi Williams, founded Telect in 1982. The Williams and their son, CEO Wayne Williams, own a controlling stake in the company.

Saigon Post and Telecommunications Services Corporation, known as Saigon Postel, provides telecom and postal services throughout Vietnam. It offers fixed and wireless telephone, Internet, international shipping, money transfer, and voice- over-IP telephone services to individuals and commercial customers. Saigon Postel also manufactures and distributes telecom network equipment and builds and maintains its network infrastructure.

Texas businesses call on WalkerCom for their phone and data communications systems needs. Founded in 1987, WalkerCom company sells, installs, and services telecommunications equipment from suppliers including Avaya, Polycom, and Plantronics. It deals in such products as network routers, wireless phones, cabling, and software. WalkerCom specializes in equipment for Applications including corporate messaging, call centers, wide area networking, and video conferencing.

Telular doesn't like to be tied down. The company's main product is its Telguard system that wirelessly transmits security alarm signals triggered at residential or commercial locations to an alarm company or other monitoring location. Telguard, marketed primarily in the US and Canada, is intended to provide an alternative to the more common wireline connections used in security systems. Telular's fixed cellular terminals enable the use of equipment designed for wired networks (including traditional phones, fax machines, and modems) over wireless networks. The company markets these products mainly in developing regions where it may be costly or impractical to build or maintain wired telephone networks.

Infinera Corporation provides optical networking systems based on photonic integration technology in the United States. Its digital transport node (DTN) system utilizes the photonic integrated circuit (PIC) technology to enable digital processing and management of data with the capability to generate wavelength division multiplexing wavelengths and to add, drop, switch, manage, protect, and restore network traffic digitally. The company’s PICs transmit and receive 100 Gigabits per second of optical capacity and incorporate the functionality of approximately 60 discrete optical components into a pair of indium phosphide chips. The DTN System is used to enable optical to electrical to optical conversions at every network access point to provide communications service providers with the ability to digitally process the information being transported across their optical networks. It also offers a range of support offerings, including 24/7/365 hardware and software technical support, installation and deployment services, spares management, first line maintenance services, on-site technical services, professional services, product technical training, and extended product warranties. The company offers its products to operators of optical networks, including telecom carriers, cable operators, and Internet or content service providers. Infinera Corporation, formerly known as Zepton Networks, was founded in 2000 and is headquartered in Allentown, Pennsylvania.

Iridium Communications Inc. provides satellite voice and data communications services to businesses, the U.S. and foreign governments, non-governmental organizations, and consumers worldwide. It offers post-paid mobile voice and data satellite communications services; prepaid mobile voice satellite communications services; high-speed data services; machine-to-machine services for sending and receiving data from one location to other, such as from fixed and mobile assets in remote locations to a central monitoring station; and ancillary services, including inbound connections from the public switched telephone networks, SMS, SIM activation and reactivation, and other peripheral services. Iridium Communications Inc. also provides research and development services that assist customers in developing new technologies compatible with its systems. In addition, it offers voice and data equipment, including satellite handsets, voice and data modems, high-speed data devices, and machine-to-machine data devices. Further, the company supplies accessories that include holsters, ear buds, portable auxiliary antennas, antenna adaptors, and USB data cables and charging units. It serves various markets, including emergency services, maritime, government, utilities, oil and gas, mining, leisure, forestry, and construction and transportation. The company sells its products and services to commercial end-users through a wholesale distribution network of service providers, value added resellers, and value-added manufacturers. As of December 31, 2009, it had approximately 369,000 subscribers. Iridium Communications Inc. is headquartered in Bethesda, Maryland.

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