David Archer

Big River Gold Ltd. is a mineral exploration and development company. It engages in exploration and development of minerals. It focuses in the operation of Borborema Gold, Juruena, and Manga projects. The company was founded by Robert Smakman on October 10, 2003 and is headquartered in West Perth, Australia.

PowerTel Ltd. provides telecommunications services including local calls, long distance, fixed to mobile calls, leased line, frame relay, ATM, managed router services, LAN bridging, corporate dial, Internet, co-location and IP VPN services. The company offers integrated voice, data, Internet and other telecommunications services to businesses in Australia. The company is headquartered in Sydney, Australia.

MediVac Ltd. engages in the developing and commercializing on-site, clinical waste conversion technology. It products include SunnyWipes, which consists of various antimicrobial hand hygiene and general cleaning products and Diakyne that identifies trace elements in body fluids using the Tracesmart technology. The company was founded on April 13, 1992 and is headquartered in Sydney, Australia.

Santos NSW Pty Ltd. explores and drills for oil and gas The company was founded by Patrick James Elliott in August 2000 and is headquartered in Sydney, Australia.

Hostworks Group Pty Ltd. operates as an online digital media solutions company. It offers critical business systems, online ecommerce, and online media services. The company was founded by Marty John Gauvin and Rainer Rhedey on April 14, 1983 and is headquartered in Adelaide, Australia.