Standard Metals Processing, Inc. (SMPR) operates as an exploration-stage company focused on custom toll milling, processing, and extraction services for precious, strategic, industrial, and rare earth minerals from mined materials, including gold, silver, platinum group metals, and other strategic minerals; it provides laboratory testing, pilot testing, and permitted custom processing of ores and concentrates for mining industry customers. The company serves the mining sector, targeting producers of precious and base metal ores with toll milling capabilities and mineral recovery technologies. Founded in 1985 and headquartered in Gadsden, Alabama, Standard Metals Processing operates primarily in the United States and functions as a subsidiary of Granite Peak Resources, LLC.
In recent developments, the company changed its name to American Clean Resources Group, Inc. in June 2022 to reflect a strategic shift toward broader resource recovery and clean technology initiatives; it previously considered a name change to Cambrian Minerals Group, Inc. to encompass expanded mineral strategies. Standard Metals Processing executed a definitive agreement in January 2022 to acquire a controlling interest in Sustainable Metal Solutions, LLC, enhancing its processing capabilities for sustainable metal recovery. Additionally, it launched a Royalty and Metals Streaming program to diversify revenue streams through interests in mining royalties and metal streams.