Rocky Mountain Industrials, Inc., an exploration stage company, engages in the mineral exploration business. It operates in two segments, Aggregates and Rail Park. The company operates the Mid-Continent quarry that consists of 44 unpatented mining claims, which produces chemical-grade calcium carbonate located in Garfield County, Colorado. It provides land under development to provide a rail terminal and services facility. The company serves customers in mining, manufacturing, construction, and agricultural markets. The company was formerly known as RMR Industrials, Inc. and changed its name to Rocky Mountain Industrials, Inc. in January 2020. Rocky Mountain Industrials, Inc. was founded in 2015 and is based in the Greenwood Village, Colorado.