Athi River Mining, or ARM is a mining and manufacturing company in Kenya. The company is headquartered in Nairobi and its stock is listed on the Nairobi Stock Exchange. ARM was founded in 1974 by Mr. H.J. Paunrana.
ARM has operations in Kenya, Tanzania, and South Africa.
ARM is in the business of the production of cement, fertilizers, quicklime, hydrated lime, sodium silicate and other industrial minerals.