William H. Seippel

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

Digital Commerce Corp. engages in designing and development of websites. The company was founded in 1995 and is headquartered in Reston, VA.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

AirGate PCS LLC provides wireless telecommunications services.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

AirGate PCS LLC provides wireless telecommunications services.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

Global Telesystems Group Inc.'s principal activity is to provide data, Internet and borderless broadband services across Europe, serving businesses and carriers in European countries with a range of broadband, Internet/IP and voice services. It operates cross border fiber optic network and a Tier-1 IP backbone (Ebone). The company's majority owned subsidiary, Golden Telecom, Inc., offers a variety of fixed-line and mobile telecommunications services in Russia, Ukraine and other former Soviet nations. The company was founded in 1983 and is headquartered in Arlington, VA.

AirGate PCS LLC provides wireless telecommunications services.

AirGate PCS LLC provides wireless telecommunications services.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

Landmark Graphics Corp. provides software and consulting services for the oil and gas industry. The Company is headquartered in Houston, TX.

WorthPoint Corp. engages in the researching, valuing, and buying/selling antiques, art, and vintage collectibles. Its collections include toys, dolls, games, and puzzles; militaria and weapons; books, paper, and magazines; coins and currency; furniture and furnishing; glass; jewelry; fine art; antiquities; and ceramics. The company was founded by William Seippel in 2007 and is headquartered in Atlanta, GA.