Penta-Ocean Construction Co., Ltd. (五洋建設株式会社 Goyō Kensetsu Kabushiki-gaisha) is a major Japanese construction firm. It specializes in marine works and land reclamation. It is listed on the Tokyo Stock Exchange, Osaka Stock Exchange, and Nagoya Stock Exchange as ticker 1893.[1]It originated from Mizuno Gumi (水野組) in 1896 in Hiroshima Prefecture, and later renamed to the current name and capitalized in 1954.[1] It has offices in Tokyo, Singapore, Hong Kong, Indonesia, Malaysia, Egypt, Sri Lanka, Philippines, Thailand, Vietnam, Cambodia and U.A.E. .
PentaOcean Construction is involved in numerous projects in Japan and overseas. The Construction division is engaged in the development of railroads, sewerage systems, airports, harbors, roads, office and residential buildings, warehouses, plants and electric power stations. The Real estate division is engaged in real estate development and leasing. The Other operations include the sale of construction materials and machinery, leasing and shipbuilding.
It was a major contractor for the land reclamation of Jurong Island, Pasir Panjang Container Terminal, Marina Bay reclamation, Tuas, Singapore Changi Airport reclamation projects in Singapore, the Esplanade in Singapore, widening and deepening of Suez Canal and construction of the Suez Canal Bridge in Egypt, West Rail for the Kowloon-Canton Railway, and a major contractor in the construction of Chubu International Airport and Kansai International Airport[1]. Among other construction includes Akinada Bridge in Hiroshima, Rainbow Bridge, Tokyo Bay Aqua-Line in Tokyo. It is currently involved in the expansions at Haneda Airport.