The group's principal activity is to own and license the n-viro process. The n-viro process is a patented process for the treatment and recycling of bio-organic wastes, utilizing certain alkaline by-products produced by the cement, lime, electric utilities and other industries. The group operates through four segments: management operations, other domestic operations, foreign operations and research and development. The management operations segment provides employee and management services to operate the toledo wastewater treatment facility. The domestic and foreign operations segments license the use of n-viro technology. The research and development segment contracts with federal and state agencies to perform research and development on the company's technology. The group operates solely in the domestic market.