PHOENIX--(BUSINESS WIRE)--The conference planning committee has selected fifteen Arizona bioscience companies to take part in the Company Showcase sessions at BIOZONA 2008 on April 8 in Tucson, Arizona. BIOZONA 2008 (formerly the Arizona Bio Expo) is the annual conference of the Arizona BioIndustry Association (AZBio), which aims to bring Arizona’s bioscience industry together for a day of networking, business development and learning. BIOZONA 2008 is the first major event following the integration of BIO-SA (Bioindustry Organization of Southern Arizona) and AZBio.