Dan Wigger

SOURCECORP, Inc. provides business process outsourcing solutions and consulting services. The company was founded by David Lowenstein in September 1994 and is headquartered in Dallas, TX.

Stone Holdings, Inc. engages in investing in early-stage businesses in the information, financial services, technology and Internet industries. The company was founded in 1988 and is headquartered in Dallas, TX.

Part of Lumen Technologies, Inc. (Louisiana), Frontier Corp. is a telecommunications company that provides local telephone and long distance services, as well as Internet access or frame relay applications. The company is based in Rochester, NY. Frontier was acquired by Global Crossing Ltd. /Old/ on September 28, 1999 for $8,759.66 million.

Part of Lumen Technologies, Inc. (Louisiana), Enhanced Telemanagement, Inc. is a telecommunications concern. The company is based in Minneapolis, MN. Enhanced Telemanagement was acquired by Frontier Corp., part of Lumen Technologies, Inc. (Louisiana) from September 28, 1999 on May 01, 1995 for $27 million.

Norstan Communications, Inc. develops software applications for voice and data technologies. The company is headquartered in Lawrence, PA.

Digi-Key Corp. distributes electronic components. It also distributes semiconductors, discrete, electromechanical parts. Its products include audio products, batteries, cable assemblies, capacitors, computer & video accessories, connectors, crystals & oscillators, discrete semiconductor products and many more. The company was founded by Ronald A. Stordahl in 1972 and is headquartered in Thief River Falls, MN.

Excel Telecom (dba Excel Telecommunications) is a leading, facilities based provider of a rich suite of high quality, integrated voice and data communications products and services to residential, commercial and carrier customers. Excel offers a wide range of switched and dedicated voice and data services, including domestic and international direct-dial and dial-around long distance, toll-free, wholesale pre-paid long distance and local services, as well as carrier transport, conferencing, hosting and other value-added services, to commercial, carrier and residential customers. Based on its Veraz softswitching platform, Excel has developed and deployed its next generation, IP-based voice and data services, including SIP trunking, hosted IP PBX, IP VPNs and dedicated data services. The Company owns and operates a robust, nationwide Class IV/V VoIP-FGD enabled network that forms a mesh of connectivity across 9 major U.S. metropolitan markets. Consisting of long haul fiber paths, numerous routers, servers and switching equipment, the network provides on-net coverage of virtually every U.S. LATA. Excel also maintains interconnect agreements with more than 300 carriers.

Satellite Tracking of People LLC provides global positioning system, tracking ,and monitoring services to government agencies. It offers BLUband, which includes traditional radio frequency and house arrest monitoring. The company was founded by Robert Crants in 2004 and is headquartered in Houston, TX.

Aventiv Technologies LLC engages in the research and development of corrections technology solutions. It offers communications, intelligence, education and entertainment, and payment solutions. The company is headquartered in Dallas, TX.