• 1892: Obayashi, a Building Construction and Civil Engineering Construction Contractor founded by Yoshigoro Obayashi in Osaka • 1936: Obayashi Corporation (OC) established • 1965: Obayashi Corporation (Singapore) established • 1969: Surfrider Hotel, HI completed • 1970: Princess Kaiulani Hotel, HI completed • 1972: Obayashi America Corporation (OAC) established in Los Angeles :::PT. Jaya Obayashi established in
Indonesia as a
joint venture with PT. Pembangunan Jaya. • 1975: Hotel Kyoto Inn San Francisco, CA completed • 1978: James E. Roberts - Obayashi Corporation (RO) joins the Obayashi Group • 1981: Obayashi Corporation San Francisco Office established (Civil Engineering Construction) • 1982: Obayashi Corporation opens office in New York • 1988: Toyota Manufacturing Facility, KY completed • 1989: E.W. Howell Co., Inc. (EWH) joins the Obayashi Group • 1991: NEC Roseville Semiconductor Plant Mega-Line, CA completed • 1991: Delta Center/Utah Jazz Arena, UT completed • 1993: OC America Construction Inc. (OCAC) established in Los Angeles • 1994: OC Real Estate Management, LLC (OCREM) organized in Los Angeles • 1997: Sumitomo Sitix of Phoenix, AZ completed • 1997: Matsushita Semiconductor (MASCA), WA completed • 1998: Komatsu Silicon America, OR completed • 1998: San Bernardino (Arrowhead) Medical Center, CA completed • 2001: Applied Materials (AMAT), CA completed • 2002: Obayashi USA, LLC (OUSA) established in Los Angeles • 2002: Obayashi Construction, Inc. (OCI) established in Los Angeles • 2003: Cedars-Sinai Medical Center Central Plant, CA completed • 2003: Interstate Distributors, CA completed • 2005: John S. Clark Company, LLC (JSC) joins the Obayashi Group • 2007:
Webcor, LP joins the Obayashi Group • 2011: Kenaidan Contracting, Ltd joins the Obayashi Group ==Notable Constructions==