EGRA
Manufactures high-voltage generators, capacitors and transformers for electrostatic painting, powder coating and flocking processes.
Xcel Power Systems
Manufacturers of custom power supplies primarily for military, aerospace and transport markets.
Polarity Inc.
Designs and fabricates high power products including industrial high voltage power supplies, solid state RF amplifiers, ultra low noise TWT, CFA, and Klystron microwave amplifier systems.
Virtual Technologies, Ltd.
Designs and manufactures customized AC-DC and DC-DC power supplies, from 500V to 120kV and up to 10kW in power.
http://www.virtualtechnologiesltd.com/Power_Supplies/custom_engineered_power_supplies.htm
http://www.virtualtechnologiesltd.com/Power_Supplies/custom_engineered_power_supplies.htm
Technix
Manufacturers of high voltage DC power supplies to provide national laboratories, technical institutes, universities and industry.
Physique and industrie
High voltage, high power, solid-state pulse generator, designed for plasma ion implantation or plasma lasers.
http://www.physiqueindustrie.com/pulse_generator.htm
http://www.physiqueindustrie.com/pulse_generator.htm
EMCO High Voltage Corporation
Miniature DC to HV DC converters, multi-output, rack mount high voltage systems. From small to large HV power supplies.
Computer Power Supply, Inc.
Designs and manufactures high voltage power supplies, used for focused electron beam and focused ion beam applications. Online catalogue, pricing and data sheets.
Acopian High Voltage List
Manufacturer of high voltage power supplies.
http://www.acopian.com/hv-details.html
http://www.acopian.com/hv-details.html
Advanced Conversion Technology Inc.
Designers and manufacturers of both high and low voltage custom power supplies for military and high grade industrial applications.
Applied Kilovolts
High voltage power supplies, mostly for X-ray systems.
http://www.appliedkilovolts.com/
http://www.appliedkilovolts.com/
Del Power Conversion Group
Design and manufacturing of high voltage power supplies, Monoblock X-Ray Sources, transformers, noise suppression filters and high voltage capacitors.
Universal Voltronics
Designs and manufactures high voltage DC power supplies, specializing in high power (over 1kW) and high voltage (over 1kV) applications.
American High Voltage
Engineer and manufacture high voltage power supplies for industrial, military commercial and lab research.
UltraVolt, Inc.
Manufacturer of off-the-shelf modular and rack mount programmable DC to DC high voltage power supplies, from 62V through 40kV and 4 Watts to 250 Watts.
Meerstetter Engineering, GmbH
Designer, developer and manufacturer of power electronics, laser power supplies, and high voltage transformers.
Matsusada Precision Inc.
High voltage power supplies. Integrated HVPS and X-ray tube.
http://www.matsusada.com/index.html
http://www.matsusada.com/index.html
Kaiser Systems, Inc.
Manufacturer of capacitor chargers, DC high voltage power supplies, X-ray supplies, laser diode drivers, custom design and off-the-shelf systems.
Diversified Technologies, Inc.
High-voltage and high-power solid-state switching power supplies, pulse modulators, and control systems
Bertan High Voltage Power Supplies
Custom and off-the-shelf HV power supplies for medical, scientific, analytical and industrial applications.
Glassman High Voltage Inc.
Manufacture of regulated high voltage dc power supplies.
Brandenburg HV Power Supplies
Manufacturer of standard and custom built high voltage power supplies. Some HV testing equipment.
http://www.brandenburg.co.uk/index.html
http://www.brandenburg.co.uk/index.html
Spellman High Voltage Electronics
Develops and manufactures high voltage power supplies for OEM and laboratory applications. FAQs on HV safety, HV test procedures, and how to specify HV PS's.