A few found after a quick look: [https://www.eurocircuits.com/standard-pool-your-default-choice-for-your-pcb/](https://www.eurocircuits.com/standard-pool-your-default-choice-for-your-pcb/) Base material high Tg – non pooled: [https://www.pcbexpress.eu/en/products/view_pr/6](https://www.pcbexpress.eu/en/products/view_pr/6) contact for info [https://www.pcbcart.com/pcb-fab/high-tg-pcb.html](https://www.pcbcart.com/pcb-fab/high-tg-pcb.html)

Have you asked JLCPCB if they can do it?

@andyfierman   Hello - Thank you for your input andy. I did ask and JLCPCB does not have FR-406 available.  However, Seeed.com does. Peter