Oregon Brain Preservation is a solid organization offering a free option in the US: https://www.oregoncryo.com/services.html, and Cryonics Germany a free option in Europe: https://cryonics-germany.org/en/
Oregon Brain Preservation is a solid organization offering a free option in the US: https://www.oregoncryo.com/services.html, and Cryonics Germany a free option in Europe: https://cryonics-germany.org/en/