Unimin Corporation Employee Directory
MiningConnecticut, United States201-500 Employees
Unimin Corporation, a mid-sized mining company based in New Canaan, Connecticut, became Covia after a 2018 merger with Fairmount Santrol. The resulting Covia operates as a diversified minerals and materials platform, offering a broad set of capabilities and services across its operations. The company holds silica sand assets, including the Camden silica sand assets in Tennessee, and has engaged in asset sales as part of its strategic realignment. Covia has pursued significant mergers to build a multi-basin platform for serving producers in major oil and gas plays, such as its 2024 merger with Black Mountain Sand.