Making Cupriavidus metallidurans in laboratory?
You can buy Cupriavidus metallidurans from various culture collections.

See these links below:


Cupriavidus metallidurans (Goris et al. 2001) Vandamme and Coenye 2004 - DSMZ
Cupriavidus metallidurans (Goris et al.) Vandamme and Coenye (ATCC® 43123™) - ATCC


As canadianer has already explained, it will be next to impossible to "find" a pure, viable culture out there in the environment.