Xamax Consultancy Pty Ltd Xamax is the consultancy vehicle for Roger Clarke, a longstanding specialist and author in the electronic commerce area, based in Canberra, Australia. http://www.xamax.com.au

Xpragma Independent IT research, analysis and consulting firm. http://www.xpragma.com

Xoriant Corporation Delivers complete e-business solutions through technology strategy, business integration and lifecycle management of systems and applications. http://www.xoriant.com

Xporta.com Devlivers universal landed cost solutions to B2B exchanges and e-marketplaces, purchasing and procurement departments, and sales and marketing professionals. http://www.xporta.com

WorldClass Strategy, LLC. A strategic and tactical consulting firm specializing in e-business initiatives. Based at Seattle, USA. http://www.worldclassstrategy.com/