Voltnet
High voltage devices of all types, including tesla coils, Jacob's ladders, antique devices and lots of pictures.
http://www.voltnet.com/

TREK, Inc.
Provider of high-voltage devices and instrumentation, including electrostatic voltmeters, high-voltage power amplifiers, surface resistance meters, and charged-plate monitors.
http://www.trekinc.com/

Rectifiers and Electronics
High voltage testing equipment, high voltage testing equipment, high voltage tester, ac/dc high voltage tester, hipots, high voltage, dc high voltage test set, spark tester, di-electric tester, oil test set, impulse generator, portable dc high voltage test set, million mega ohm meter, ac high current primary current injection test set, secondary injection test set, loading transformer, short time current test set, meter test bench, voltage dips and interruption test set, battery chargers, stabilizer power supply, heating rectifier, servo controlled industrial voltage stabilizers, ac welding machine, inductive load, phantom load, magnetizing coil, pre-heating / function, induced voltage & induced frequency test set
http://www.testingequipments.in

High Voltage Link List
A list of links for electrostatic machines, history of physics and electricity, high voltage devices, and electronics.
http://www.coe.ufrj.br/~acmq/links.html

Tessco Technologies Incorporated
TESSCO Technologies (Nasdaq:TESS) is an industry-leading, value-added supplier of more than 30,000 critical products and solutions needed to design, build, run, maintain and use everything wireless.
http://www.tessco.com/

Acksen Ltd
Timesheet, time tracking software, purchase order software
http://www.acksen.com

TEI
TEI, the inventors of high voltage tire testing technology which has been widely used by the industry for the last 20 years have introduced a new versatile, light weight, portable tire testing machine called the Micro.
http://www.teiworldwide.com

High Voltage Connection
Sales representative for high voltage power supplies and other high voltage products. Includes technical articles on high voltage.
http://www.highvoltageconnection.com

Vecomtech
Vecomtech is the best equipment distributors in Vietnam as well as ecommerce solution partner and exporter of Vietnamese products to world wide market. Our scope of supply includes: materials testing, tribology, metrology equipment... and ornamental plants
http://www.vecomtech.com

MIL Electronics Home Page
MIL Electronics Inc. manufactures High Voltage, Medium Voltage, DC to DC, power supplies for applications including photomultiplier tubes, spectrometers, high voltage bias, solid state detector ion beams, transducers, and geiger tubes for use in scientific and medical applications. The power supplies are used to power photomultiplier tubes, or as electrostatic sources to bias a large variety of devices and sensors. The low voltage, low emi supplies, provide islolated convential single, dual and triple outputs, for use with high gain sensitive amplifiers and logic circuits that procesthe sensor outputs.
http://www.milelectronics.com