Timothy Harden

iPhotonix LLC provides optical access and network functions virtualization, cloud transformation, and fiber-to-the-premise technologies to the business, residential, and mobile backhaul markets. The company is headquartered in Richardson, TX.

QuEST Forum provides telecommunication services. Its products include QuEST WCX and QuEST suatainability assessor. The company is headquartered in Plano ,TX.

Part of AT&T, Inc., Pacific Bell Telephone Co. provides telephone services. The company is based in San Francisco, CA.

SBC Telecom, Inc. used to provide local telephone services from sea to shining sea. The company was the competitive local-exchange carrier (CLEC) unit of its parent, former Baby Bell SBC Communications (now AT&T). The company's 30-plus markets were spread over nearly 20 states and used to serve residential and business customers through more than 60 million access lines. The company was headquartered in San Antonio, TX

Part of AT&T, Inc., Southwestern Bell Telephone Co. provides telecommunication services. The company is based in San Antonio, TX.