John Nguyen

SBC Communications, Inc. provides telecommunications services primarily in the United States. It offers various services and products, such as local exchange services, wireless communications, long-distance services, Internet services, telecommunications equipment, and directory advertising and publishing services. The company provides landline telecommunications services, such as local, long-distance voice, switched access, data and messaging services, and satellite television services; mobile wireless voice and data communications services; and directory services, such as advertising, Yellow and White Pages directories, and electronic directory publishing

Lazard Freres & Co. LLC provides corporate advisory, capital market, and asset management services. The company was founded on April 13, 1992 and is headquartered in New York, NY.

Nortel Networks Corp. supplies end-to-end networking products and solutions serving both service providers and enterprise customers. It designs, develops, engineers, markets, sells, supplies, licenses, installs, services, and supports networking solutions worldwide. The company was founded in 1895 and is headquartered in Mississauga, Canada.

Siemens Corp. manufactures electrical hardware and software for the communication, power, medical and other industries. The company was founded in 1847 and is headquartered in Washington, DC.

Part of PRA Group, Inc., IGS Nevada, Inc. is a company that specializes in asset location services. IGS Nevada, Inc. is based in Las Vegas, NV. The company was founded by Steven M. Bruny. IGS Nevada was acquired by Portfolio Recovery Associates, Inc. on October 04, 2004 for $14 million.

DIcentral Corp. provides web-based and integrated electronic data interchange solutions including DiGlobal, DiEnablement, DiTesting, DiAnalyst, and DiService solutions. The company was founded in 2000 and is headquartered in Houston, TX.

Bell Laboratories provides research and development services. It provides communications technologies including transistors, digital networking, signal processing, lasers and fiber-optic communications systems, communication satellites, cellular telephony, electronic switching of calls, touch-tone dialing and modems. The company was founded in 1925 and is headquartered in Murray Hill, NJ.