1) SEREN : R301, R601, R1001, R1201, R2001, R3001, R4001, R5001,

                          R10001, R15001, L301, L601, L1001, L2001, L3001, L5001,

                          HR601, HR1001, HR2001, HR3001, HR5001, AT3-6, AT10,

                          AT20, AT30, AT50, AT100, ATS Series, DMO 16

  2) AE/ADVANCED ENERGY : MDX DC 1KW, MDX DC 1.5KW, MDX 500, Pinnacle

                          Puls, Pinnacle 3000, Pinnacle Diamond, DC Magnetron Power

                          Supplies, Apex 1513 Generators, Apex 3013, Apex 5513, Apex

                          10013

  3) KITECH DC Power supply: (1KW to 30KW)