Small Mine Development builds and operates America’s underground mines. Our mission is to be the leader in safe, productive and innovative mining solutions. We specialize in underground, hardrock mining and look forward to advancing your project from exploration, through engineering, development, production mining, and, ultimately, closure. Our experts are here to assist you every step of the way with your project.

​Located in Southeastern Idaho near the community of Malad City, Hess Pumice Products is a mining & processing operation specializing in the extraction and refining of the world’s purest commercial deposit of white pumice. In continual operation since 1958, we’re the largest producer of processed pumice on the planet. Why? The quality of our deposit, our “On Spec—On Time” promise, and a dedication to the highest standards of quality control. Pumice Products for Industry: Pozzolan, Lightweight Concrete Aggregate, Soil Conditioning, Filtration, Fillers and Extenders, Gentle Abrasives and more.

Jervois is a vertically integrated cobalt company, building the USA's only cobalt mine and a specialty cobalt chemicals producer at Jervois Finland, with significant nickel and copper exposure, refinery assets and growth opportunities.

GMA Garnet Group (GMA) is the trusted global leader in industrial garnet. For over 40 years, we have been providing the highest quality garnet to the waterjet cutting and protective coating industries. We offer secure garnet supplies, deep expert advice and a complete range of premium abrasive products for improved, fast and effective results. We manage a unique operation where we own our mines and processing plants in Australia, the USA and the Middle East. We have also invested significantly in expanding our production capacity and sources of supply. As GMA is the only garnet supplier that owns the source, processing and distribution of our products, we not only set the highest standards, but consistently deliver to these standards. Our dedicated sales teams and technical experts seek to understand our customers’ priorities and challenges to ensure our products are engineered to deliver optimal results. GMA’s garnet products are developed from alluvial, crushed and recycled sources, formulated to achieve specific performance outcomes. GMA has also led the industry in environmentally sustainable production, including the development of recycling technologies that offer a friendly solution for the disposal of used garnet. Our headquarters are in Perth, Australia, with offices, warehouses and distributors in major industrial hubs throughout Asia Pacific, Europe, the Middle East and the Americas. Globally, over 500 dedicated employees manage our operations which comprise of 13 offices, two garnet mines and eight processing plants including five large scale recycling facilities. Today, GMA Garnet products are distributed in more than 100 countries worldwide, directly from our own warehouses and through more than 90 distributor outlets.

Endomines is a Mining and Exploration company with its primary focus on gold. Our mineral exploration operations cover the Karelian Gold Line in Eastern Finland, with mining permits for several sites in this area. Our Production Center is located in Pampalo, Ilomantsi. Endomines also owns rights to several gold deposits in Idaho and Montana, US, where we aim to continue the development work through partnership agreements. Our goal is to develop our business sustainably and create long-term value – to take responsibility for both the environment and local vitality. Our ESG program lays the foundation for the responsible operations to which we are committed. Therefore, the origin of gold mined in Finland can be traced, since our production chain is transparent.

HIGHLAND ENTERPRISES I, L.L.C. is a construction company based out of PO BOX 356, Grangeville, Idaho, United States.