Top Mining Operations Companies (7)

Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide, our teams use data, technology, advanced analytics and AI capabilities to help solve our customers' toughest challenges.

Pinto Valley is a copper-molybdenum open pit mine and the only operating mine located in the historic Globe-Miami mining district of Arizona, one of the oldest and most productive mining districts in the US. This is an affiliated page of Capstone Copper. Pinto Valley is a wholly owned US subsidiary of Capstone Copper. Follow this page for any updates and news...

Universal Stainless, headquartered in Bridgeville, PA, produces semi-finished and finished specialty steel long products and plate including nickel alloy, stainless steel, tool steel and aircraft quality low alloy steels. These can be manufactured into a wide variety of grades and product forms. Our products, which are sold to service centers, forgers, rerollers and original equipment manufacturers, are further processed by...

Based in Spring Grove, Illinois, U.S.A, Scot Forge has a 130-year plus track record of success. Scot Forge is considered the industry leader in open die forging and rolled ring forging. As the premier provider of high-quality metal forging solutions, we have experts in your specific industry to help deliver the largest range of open die forging capabilities. With five...

PPI (Precision Pulley and Idler) is an employee owned company that was founded in 1977 with the goals of providing high-performance conveyor components and competitive pricing, both combined with unparalleled customer service. These goals have not changed over the years, but in fact, have been enhanced. Every PPI employee is involved in the process of putting the customer first. We listen...

Northern Star Resources Ltd is a global-scale Australian gold producer with world-class projects located in highly prospective and low sovereign risk regions of Australia and North America. The Company has a portfolio of high-quality open pit and underground gold mines, and is firmly focused on maximising shareholder returns. Northern Star is listed on the Australian Securities Exchange (ASX: NST). Northern Star continues...

Hecla Mining Company is the oldest U.S.-based precious metals mining company and the largest primary silver producer in the United States. We are responsible for 45% of the U.S. silver production, and we also mine gold, lead, and zinc. Hecla has deep roots in our communities and has been in business for more than 130 years. Hecla is headquartered in...