Established in 1935, Hioki has grown to be a respected developer and manufacturer of innovative test and measurement instruments. Hioki, as a company, is committed to their corporate philosophy. This philosophy is founded on Respect for Humanity and its Contribution to Society. Hioki develops its business from the customer's perspective.

Hioki's product list includes: Power Quality Analyzers (PQA); Insulation Testing; Data Acquisition Recorders; Power Demand Meters; Data Loggers; AM Meters; Volt Meters; Clamp-Ons; Digital Multimeters; Meters; Testers; Field Use Measurement Instruments; Electronic Measurement Instruments; Recorders and Automatic Test Equipment.