Big Rock Exploration
MiningMinnesota, United States11-50 Employees
Big Rock Exploration, LLC (BRE) is a mining-focused services firm that supports mineral exploration through project management, resource targeting, asset development, and geologic services. The company aims to identify and evaluate strategic mineral resources that underpin modern technology and national security. By drawing on a broad network of geoscientists, land developers, and field technicians, BRE provides clients with practical, technically grounded exploration support across projects. Based in Stillwater, Minnesota, the firm operates with a small to mid-sized team dedicated to helping uncover valuable mineral resources. This positioning places BRE within the mining sector as a provider of specialized exploration expertise to clients seeking reliable assessment and resource identification to advance their projects. In November 2025, BRE announced the appointment of Douglas H. Portis as president.