Based in West Perth, Australia, Pilbara Minerals (OTCMKTS: PILBF ) mines both lithium and tantalite. Its main operations center on the company's 100%-owned Pilgangoora Project, located in the resource-rich Pilbara region, hence the name. Further, Pilbara's website states that the Pilgangoora ore body is one of the largest hard rock lithium deposits in the world. It's also considered strategically important within the global lithium supply chain.