DVO, Inc. (formerly GHD, Inc.), the nation's largest anaerobic digester designer, installs their cost-effective, low maintenance, patented Two-Stage Mixed Plug FlowTM digester across the nation. System by-products include: odor reduction; pathogen kill; biogas; a biosolid used as bedding on farms or as fertilizer; heat; and an inorganic liquid that can be applied directly to growing crops. Since 2001, DVO has installed roughly 100 of its patented anaerobic digestion systems within the US. Collectively, DVO digesters are producing roughly 75 MW of electricity in America. DVO also has expanded internationally, with operating digesters in Serbia, Chile, China and Canada.