Xilinx Inc, 101 Innovation Dr, San Jose, CA 95134, US

Symmetricom designs, manufactures and markets atomic clocks and network synchronization and timing devices. The company s solutions are used in wireline and wireless telecommunications networks, space, defense and avionics systems and enterprise information technology infrastructures. Its customers include network service providers, telecommunications equipment manufacturers, military and aerospace contractors and enterprises, as well as government and research facilities in more than 90 countries throughout the world. Symmetricom develops products that control the flow of voice, video and data applications. The company also provides consulting, engineering, network planning, installation and support services. It features global positioning systems and time code instrumentation, frequency distribution systems, precise references, rubidium clocks and hydrogen masers. Symmetricom is headquartered in San Jose, Calif.

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H&R Block

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