Perimeter Solutions, Inc. manufactures and supplies firefighting products and lubricant additives in the United States, Germany, and internationally. It operates in two segments, Fire Safety and Specialty Products. The Fire Safety segment provides fire retardants and firefighting foams, as well as specialized equipment and services for federal, state, provincial, local/municipal, and commercial customers. The Specialty Products segment develops, produces, and markets products for non-fire safety markets, including phosphorus pentasulfide based lubricant additives used in pesticide and mining chemicals applications, and electric battery technologies. The company was founded in 1963 and is headquartered in Clayton, Missouri.