[Petroleum products company | Lathrop, CA | Remote Fill Systems Remote Fill Systems (based in Lathrop, CA) designs and manufactures Remote Fill Systems for generator fueling. We develop innovative and cost-effective custom products in response to customer needs, such as: Concealment of the Remote Fill, High Pressure Pumped Systems for High-Rise Applications, San Francisco Code Compliance, Multiple Tank Filling Systems, Leak Detection and BMS/SCADA Integration]