Collins Clark Technologies Inc produces The CLARK DRIVE series devices. Proprietary, compact pulsed power systems up to 500 kilovolt, 20 kiloamp, 200nS, 20Hz. Compact solid state switches. 40 kilovolt, 500 amp, 200 Hz, optical triggered. These have been demonstrated in a 250 kilovolt Marx configuration. The firm also provides The LabRatt series devices. Various components useful in pulsed power research including: integerators, trigger generators, waveguide directional couplers, laboratory controllers, voltage and current calibrators, pulsed solenoids and other devices useful in pulsed power research