JET offers assessment and registration services based on ISO14001 for about 26 industry classifications under accreditation by JAB (Japan Accreditation Board for Conformity Assessment), and also for 21 industry classifications under accreditation by the Raad Voor Accreditatie (RvA) of the Netherlands, covering electrical, chemical, metalworking, power supply, infomation technology, reproduction industry, wholesale trade, and service under both accreditations.