Metals such as cobalt or lithium are occasionally in the news because of the strategic importance of controlling these raw materials. Many factors are indeed contributing to the increasing use of these metals, pushing multiple end-users into a supply race. These commodities are thus at the heart of global economic and geopolitical challenges. This thematic list targets companies that occupy an important place downstream of these strategic sectors (exploration, extraction, production and processing), among the following metals: cobalt, tin, lithium and rare earths. The listed companies remain deeply sensitive to the problem of shortage or disruption of supply of these critical metals.