John E. Dowling

Cascade Communication Corp. develops, manufactures, markets and supports a family of high performance, multi-service wide area network switches. The company provides cost-effective, high-speed data, video and voice communication services to public service providers and private network managers. The company's products also provide access services for Transmission Control Protocol/Internet Protocol and Integrated Services Digital Network users. The company markets its products and services through seventeen offices in the United States and four offices internationally

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.

Sycamore Networks, Inc. engages in the development and marketing of intelligent bandwidth management solutions for fixed line and mobile network operators. The company was founded by Gururaj Deshpande on February 17, 1998 and is headquartered in Andover, MA.

Aptis Communications, Inc., is a provider of carrier-class access switches to network service providers, carriers and Internet service providers. The Aptis CVX 1800 will set the standard for carrier-class solutions that enable service providers to acquire and retain customers, reduce operations costs and deploy new services