Obayashi (株式会社大林組) is a company that offers building construction, civil construction, engineering, urban development, and real estate management services.
Matrix Service is a company that provides engineering, fabrication, infrastructure, construction, and maintenance services for the oil, natural gas, power, petrochemical, industrial, agricultural, mining, and minerals markets.
China Metallurgical Group Corporation (also known as MCC Group, 中国冶金科工集团有限公司) is a company that provides engineering, procurement, and construction (EPC) solutions.
Sankyo Tateyama (三協立山株式会社) is a company that develops, manufactures, and sells building, housing, and exterior construction materials for commercial and residential sectors.