Breadcrumb Home Website IRIS Instruments Website IRIS Instruments Share IRIS Instruments is a company specialised in geophysical instrumentation for subsurface exploration and monitoring. It is owned 51% by the BRGM and 49% by the Japanese geotechnical group OYO. Geology and subsurface modelling Public partner, local government Company Researcher Home page of the IRIS Instruments website. © BRGM Go to the website Other websites All the websites