Engineers and manufacturers of preinsulated, prefabricated systems for above ground, underground, cooling/heating, and process piping. Saudi Preinsulated Pipe Industries (SPPI) was established in 1981 and started production in 1983 . SPPI is an ISO 9001:2000 certified company through UKAS of United Kingdom and ANSI-RAB of United States of America. Our manufacturing facility is located in the Riyadh Second Industrial City.