Alff Engineering - PDC-ANALYSER equipment for on-site evaluation of the properties of mixed insulation as found in high voltage transformers. Ameesco - High voltage test equipment services and consulting. Specializing in the installation, commissioning and maintenance of all types of high voltage test equipment. EGU - High Voltage Laboratory - Accredited testing laboratory. High voltage tests, voltage and dielectric tests of electric objects and equipment, mechanical tests of insulators, radio interference measurements, overvoltages measurements and monitoring. Hachmann-IT - Manufacturing of test-equipment for high voltage installations. From Germany. High Voltage Equipment Diagnostics Inc. - Specializes in HV diagnostics and PM's for power utilities and sub-stations. High voltage Probes (Tektronics) - For O'scopes, from Beta Lambda Instruments. Hipotronics - Manufacturer of high voltage test and automatic test sets systems for users and manufacturers of power apparatus. HV and EMC Test Equipment - High voltage test equipment and EMC test equipment for the power utility, power apparatus, and electronic equipment industries. Osprey Limited - Personal HV safety alarm. Clip-on alarm detects HV in the vicinity and alarms to warn the user.