Who sells OT security to which miners, and where nobody does Claroty, Dragos and Nozomi, now owned or part-owned by bigger groups, sell mainly to the largest miners through integrators. Mid-tier miners are served thinly by managed service providers. Junior miners, the equipment makers that build autonomous fleets, and critical-minerals data have no specialist supplier: those are the gaps. Who sells OT security to which miners Thicker lines: better served. Our reading of public deals. SELLERS BUYERS Three buyers have no specialist supplier yet.