DDM Metering Systems is a full service utility submetering company headquartered in Ventura, CA. DDM works with both commercial and residential properties to control utility costs, conserve energy, and to fairly allocate energy costs to tenants. DDM offers design, engineering, and installation services for state-of-the-art electric, gas, water and BTU smart metering systems and provides ongoing support for properties with meter reading and billing services. Our office in Ventura is located in an energy-efficient, green building and we implement sustainable practices.