JGC Holdings Corporation provides engineering, procurement, and construction services through its subsidiaries. It operates in two segments: Total Engineering and Functional Materials Manufacturing. The Total Engineering segment covers planning, design, procurement, construction, and commissioning of machinery, facilities, and plants for petroleum, petroleum refining, petrochemicals, gas, and liquefied natural gas. The Functional Materials Manufacturing segment manufactures and distributes products in catalyst, nanoparticle technology, hygiene and safety, electronic materials, high-performance ceramic, and next generation energy sectors. The company also offers consulting, real estate management, and water desalination services, and sells oil and gas. It serves customers in Japan, Southeast Asia, the Middle East, Africa, North America, and internationally. Formerly known as JGC Corporation, it changed its name to JGC Holdings Corporation in October 2019. The company was incorporated in 1928 and is headquartered in Yokohama, Japan.