There seems to be a misunderstanding in the question. All metals are conductors of electricity. This is because metals have free electrons in their outer shell that can move easily, allowing for the flow of electric current.

Perhaps you're thinking of materials that are not metals but can still conduct electricity. Some examples include:

* Semiconductors: Materials like silicon and germanium have conductivity between that of metals and insulators. Their conductivity can be controlled, making them essential for electronic devices like transistors.

* Electrolytes: Solutions containing ions (charged atoms or molecules) can conduct electricity. Examples include salt water, battery acid, and the fluids in our bodies.

* Plasmas: A state of matter where atoms are ionized, meaning they have lost or gained electrons, resulting in a free flow of charged particles and thus good conductivity.

Let me know if you had something specific in mind, and I can help you further.