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Traded as TYO: 1802 FSE: 1802. Obayashi Corporation (株式会社大林組 Kabushiki-gaisha Ōbayashi Gumi) is one of five major Japanese construction companies along with Shimizu Corporation, Takenaka Corporation, Kajima Corporation, and Taisei Corporation.

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March 2014 – Present logo of Obayashi Corporation.