https://www.nationalpetrographic.com/home.html
National Petrographic Service | Thin Section Preparation & Analysis Services
National Petrographic Service is a full-service petrographic laboratory equipped with state-of-the-art technology that offers accurate thin section preparation...
thin section preparationnationalpetrographicserviceanalysis
https://www.plymouth.ac.uk/facilities/plymouth-electron-microscopy-centre/equipment/thin-section-preparation
Thin section preparation - University of Plymouth
PEMC offers thin section making for teaching and analysis.
thin section preparationuniversity ofplymouth