NACCO Industries, Inc. is an American publicly traded holding company, headquartered in Cleveland, Ohio. Through a portfolio of mining and natural resources businesses, the company operates under three business segments: Coal Mining, North American Mining, and Minerals Management. The Coal Mining segment operates surface coal mines under long-term contracts with power generation companies and an activated carbon producer pursuant to a service-based business model. The North American Mining segment provides value-added contract mining and other services for producers of aggregates, lithium, and other minerals. The Minerals Management segment promotes the development of the company's oil, gas, and coal reserves, generating income primarily from royalty-based lease payments from third parties. In addition, the company has a business providing stream and wetland mitigation solutions. Wikipedia