Digital storage oscilloscopes, handheld digital multimeters, automotive multimeters, thermal imager, bench multimeters, clamp meters, switching power supply: astec/artesyn (emerson), TDK-lambda, cosel, vicor, power-one, murata-PS, ericsson, interpoint, VPT, power analyzers & tranformer tester: voltech, switches/connectors: C&K, arcolectrics, IC & semiconductor: intersil, diodes, infineon, ups: inform.
