Harry F. Hopper

Union Carbide Corp. engages in the production of chemicals and polymers. The firm operates through the following geographical segments: United States, Asia Pacific and Rest of the World. Its products include polyethylene and polypropylene, ethylene glycol, isopropanol, ethyleneamines, biocides, surfactants, deicing and anti-icing fluids, amines, solution vinyl resins and polyethylene glycols. The company was founded on November 1, 1917 and is headquartered in Seadrift, TX.

Columbia Capital LLC (Columbia Capital) is a venture capital/private equity firm founded in 1989 by Dave P. Mixer. The firm is headquartered in Alexandria, Virginia.

MetroPCS Communications, Inc. provides facilities based wireless broadband mobile communications. Its products include voice services, data services, custom calling features and advanced handsets. The voice services allow customers to place voice calls and receive calls from any telephone in the world and its data services include text messaging services, multimedia messaging services, mobile Internet access, mobile instant messaging, location based services, social networking services, push e-mail, multimedia streaming and downloads. The custom calling features include caller ID, call waiting, three way calling and voicemail and the company also sells advanced handsets, including models that have cameras can browse the internet, play music, play streaming audio, display streaming videos and downloaded videos. The company was founded by Roger D. Linquist and Malcolm M. Lorang in 1994 and is headquartered in Richardson, TX.

Cleveland Unlimited, Inc. provides wireless communication services. The firm owns and operates Revol Wireless, a simple mobile phone service that offers unlimited wireless service for one flat monthly rate without requiring long-term contracts or deposits. It is a different kind of wireless company, a refreshing unconventional alternative from traditional communications companies. The company was founded in 2005 and is headquartered in Independence, OH.

MetroPCS, Inc. is a provider of wireless communications services. It provides flat rate services, which includes unlimited local and domestic long distance calls, digital photos transfer and text message services. It is located in Dallas, TX

Cellular One of East Texas, headquartered in Nacogdoches, Texas, is the only wireless carrier based in and dedicated exclusively to serving communities in East Texas. In addition to superior coverage, outstanding customer service, and an extensive retail store network, the company provides advanced communications services with a strong local focus to over 300,000 people. The company is committed to expanding its GSM network and broadband data services to improve the communities that they call home.

PRWireless PR LLC provides mobile telecommunication services. The company was founded in 2006 and is headquartered in Guaynabo, Puerto Rico.

Public Mobile Holdings, Inc. operated as a holding company with interests in wireless communication services. The company was incorporated on March 04, 2008 and headquartered in Toronto, Canada.

Affinity Internet, Inc. provides web hosting services. The company was founded by John Zdanowski in 1996 and is headquartered in Chicago, IL.