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Penta-Ocean Construction Co., Ltd.
Public KK
Traded as TYO: 1893
NAG: 1893
Industry Construction
Founded Kure, Hiroshima Prefecture, Japan (April 1896; 120 years ago (1896-04))
Headquarters 2-8 Koraku 2-chome, Bunkyo-ku, Tokyo 112-8576, Japan
Key people
Yoshio Murashige, (CEO and President)

Increase $ 3.69 billion USD (FY 2013)

(¥ 381.18 billion JPY) (FY 2013)

Increase $ 36.4 million USD (FY 2013)

(¥ 3.76 billion JPY) (FY 2013)
Number of employees
2,911 (as of 31 March, 2013)
Subsidiaries 26
Website Official website
Footnotes / references

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.[4]

It originated from Mizuno Gumi (水野組) in 1896 in Hiroshima Prefecture, and later renamed to the current name and capitalized in 1954.[5] It has offices in Tokyo, Singapore, Hong Kong, Indonesia, Malaysia, Egypt, Sri Lanka, India, Thailand, Vietnam and Dubai.[2]

The company is listed on the Tokyo and Nagoya Stock Exchange.[2]

Business segments and major projects[edit]

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, bridges, office and residential buildings, warehouses, plants and electric power stations.[6]

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,[7] 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, West Rail for the Kowloon-Canton Railway, and a major contractor in the construction of Chubu International Airport and Kansai International Airport.[8]

Among other construction includes Akinada Bridge in Hiroshima, the Nukui Dam in Hiroshima Prefecture, Rainbow Bridge, Tokyo Bay Aqua-Line, runway D of Haneda Airport in Tokyo, Prince of Wales Hospital in Hong Kong, VivoCity and ArtScience Museum in Singapore and South Container Terminal of Port of Constanţa in Romania .


  1. ^ "Corporate Data". Penta-Ocean. Retrieved March 22, 2014. 
  2. ^ a b c "Annual Report 2013" (PDF). Penta-Ocean. Retrieved March 22, 2014. 
  3. ^ "Company Profile". Bloomberg Businessweek. Retrieved September 18, 2014. 
  4. ^ "Company Profile". Bloomberg L.P. Retrieved September 18, 2014. 
  5. ^ "Corporate History". Retrieved March 22, 2014. 
  6. ^ "Company Profile". International Association of Dredging Companies. Retrieved September 18, 2014. 
  7. ^ D. Eisma (December 22, 2005). Dredging in Coastal Waters. CRC Press. p. 208. ISBN 978-0-415-39111-5. 
  8. ^ "Projects". Retrieved March 22, 2014. 

External links[edit]