PDC Machines, LLC, is a US Based manufacturer of hydrogen gas compressors and systems integrator for hydrogen re-fueling stations. We are the #1 supplier of gas compressors for automobiles, bus and material handling fueling market with over 600 compressor installations worldwide and counting. We offer an extensive selection of models to meet an array of applications ranging from single sites to full scale commercial stations for automotive, bus, truck and material handling equipment utilizing hydrogen fuel cells. PDC Machines has sales and service offices in China, Germany, Japan and S. Korea. PDC has served customers in hydrogen generation, station developers, hydrogen mobility and gas producers active in alternative energy.