Robert W. McCausland

HyperCube LLC provides local and national tandem network services. The company was founded by Ronald R. Beaumont in November 2005 and is headquartered in Lancaster, TX.

Allegiance Telecom are a facilities-based national local exchange carrier that provides integrated telecommunications services to business, government and other institutional users in major metropolitan areas across the United States. We offer ‘‘one-stop shopping’’ for voice, data, and integrated communications services (including local, long distance, Internet, data colocation, web hosting and customer premises equipment sales and maintenance services), with convenient, integrated online billing, plus a single point of contact for sales and service. Our principal competitors are incumbent local exchange carriers (also known in the industry as ‘‘ILECs’’), as well as, long distance carriers, other integrated communications providers, and customer premises sales and maintenance business.

MFS Communications Co., Inc. was a provider of local telecommunications services. It used to operate and develop andoperate fiber optic networks in major metropolitan centers throughout the United States. In 1996, the company was acquired by WorldCom, Inc. for $14.3 Billion. The company was headquartered in Omaha, NE.

Sage Telecom, Inc. provides telecommunications and Internet services. It offers local and nationwide long distance phone services to residential and small business customers. The company was founded in 1998 and is headquartered in Dallas, Texas.