EntityQ2062132· pop 7· linked from 46 articlesArch ResourcesSign in to saveU.S. coal companyConnectionsSt. LouisEntityUnited StatesCountryColoradoEntityUtahEntityMissouriEntityWyomingEntityWest VirginiaEntitysulfurEntityUnited States dollarEntitycoalEntityWayback MachineEntityNew York Stock ExchangeEntitychief executive officerEntityassetEntitysubsidiary companyEntityholding companyEntitybituminous coalEntityPBSEntitynet incomeEntityRio Tinto GroupEntityCategories1969 establishments in Missouri2025 mergers and acquisitionsCoal companies of the United StatesCoal mining in AppalachiaCompanies based in St. LouisCompanies formerly listed on the New York Stock ExchangeCompanies that filed for Chapter 11 bankruptcy in 2016Energy companies established in 1969Mountaintop removal miningNon-renewable resource companies established in 1969