What company does Tesla buy lithium from?

I'm curious to know, which company does Tesla procure its lithium from? As a leader in the electric vehicle industry, Tesla's supply chain for critical raw materials like lithium is of utmost importance for ensuring a stable and reliable source of energy for their batteries. So, which specific company or companies does Tesla rely on for their lithium needs? This question is particularly relevant given the growing demand for electric vehicles and the increasing competition for lithium resources in the market.