Dennis O. Harris

Founded by Anousheh Ansari and Amir Ansari, Prodea, Inc. is a venture capital firm located in Richardson, Texas. The firm is the general partner of E-ZAD Partnership Limited.

London Medical Management, Inc. Its services include claims negotiation, wellness programs, patient PAL, london medical air and london medical ministries. The company was founded by Jack G. London in 1989 and is headquartered in Las Vegas, NV.

R.J. Carroll Co. provides network design, installation and maintenance services. It offers network services, outside plant, directional boring, information technology, software and hardware division. The company was founded by Sandra K. Carrollin and Ronald J. Carroll on November 01, 1990 and is headquartered in Mansfield, TX.

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