Perimeter Solutions Inc. is a solutions provider offering firefighting products and specialty chemicals. Its segments include Fire Safety and Specialty Products. The Fire Safety business consists of formulating, manufacture and sale of fire retardants and firefighting foams that assist in combating various types of fires, including wildland, structural, flammable liquids and others. Its Fire Safety business also offers specialized equipment and services to support its customers' firefighting operations. Its specialized equipment includes airbase retardant storage, mixing, and delivery equipment; mobile retardant bases; retardant ground application units; mobile foam equipment; and equipment that it custom designs and manufactures to meet specific customer needs. The Specialty Products business produces and sells Phosphorus Pentasulfide (P2S5), including a family of compounds called Zinc Dialkyldithiophosphates (ZDDP) that provide critical anti-wear protection to engine components.