Lisbon Valley Mining Company LLC Employee Directory
MiningUtah, United States11-50 Employees
Lisbon Valley Mining Company LLC is a regional mining firm focused on copper, based in La Sal, Utah. It operates within the Lisbon Valley district, an area identified for copper and other mineral resources. The company is a relatively small operator within the mining and metals industry. Its activities have included managing copper-related assets such as the Centennial copper mine. In March 2026, the company sold assets to Mariana Minerals, with reports that Mariana plans to reopen the Centennial copper mine in April.