North America
● Offices ■ Subsidiaries and Affiliates
● North American Regional Headquarters
The San Francisco office was originally established in 1979 as the head office for Obayashi's construction activities in the U.S. In 2010 the office expanded to include the North American Regional Headquarters which administers all business operations for Obayashi Group in North America.
950 Tower Lane, Suite 800, Foster City, CA 94404, U.S.A.
TEL:+1-650-952-4910
FAX:+1-650-589-8384
U.S.A.
● GUAM OFFICE
Obayashi's Guam office was established in 2010 to direct and support Obayashi's construction activities in Guam.
674 Harmon Loop Road, Suite 315, Dededo, Guam 96929, U.S.A.
TEL:+1-671-633-2340
FAX:+1-671-633-2344
■ OBAYASHI USA, LLC
Obayashi USA, LLC was established in 2002 to serve as a holding company for Obayashi Corporation's subsidiaries in the U.S.
950 Tower Lane, Suite 800, Foster City, CA 94404, U.S.A.
TEL:+1-650-952-4910
FAX:+1-650-589-8384
SAN FRANCISCO
■ WEBCOR, L.P.
Webcor Builders which was established in 1971, joined Obayashi group in 2007. Consistently ranked among ENR's Top 100 General Contractors, Webcor Builders specializes in several product types throughout the Western United States including office buildings, shopping malls, hotels, high-rise condominiums and hospitals.
207 King Street, Suite 300, San Francisco, CA 94107, U.S.A.
TEL:+1-415-978-1000
FAX:+1-415-978-1005
■ JAMES E. ROBERTS-OBAYASHI CORPORATION
J. E. Roberts-Obayashi Corporation was established in 1978 as a joint partnership between James E. Roberts Company, a local company, and Obayashi Corporation. The company has become one of the most respected builders of multi-family housing, hotels, and commercial structures in Northern California. James E. Roberts Company was originally founded in 1932 as Moore & Roberts Partnership.
20 Oak Court, Danville, CA 94526, U.S.A.
TEL:+1-925-820-0600
FAX:+1-925-820-1993
■ JS BUILDERS, LLC
JS Builders, LLC is a general contractor in the East and South Bay Area specializing in multi-family residential projects. In 2012, the company joined Obayashi group.
370 Diablo Road, Suite 103, Danville, CA 94526, U.S.A.
TEL:+1-925-399-8811
FAX:+1-925-399-8813
NEW YORK
■ E.W. HOWELL CO., LLC
E.W. Howell Co., LLC was originally founded in 1891 and joined Obayashi Corporation in 1989. With offices in Manhattan and Long Island, E.W. Howell is one of the most prominent construction firms in New York. They provides construction services throughout the region to a diverse group of clients including retail, education, government, cultural and healthcare organizations.
245 Newtown Road, Suite 600, Plainview, NY 11803, U.S.A.
TEL:+1-516-921-7100
FAX:+1-516-921-0119
WISCONSIN
■ KRAEMER NORTH AMERICA, LLC
Based in Plain, Wisconsin, Kraemer North America is a general contractor with regional offices in Minnesota, Colorado, and Washington. Established in 1911, Kraemer has evolved into a builder of challenging, complex bridges and highways across the U.S. Kraemer joined Obayashi Group in 2014.
One Plainview Road, Plain, WI 53577-0220, U.S.A.
TEL:+1-608-546-2311
FAX:+1-608-546-2130
COLORADO
■ MWH MANAGEMENT, INC.
MWH was established in 1993 as a construction arm of a water engineering firm. Since its inception, the company has maintained a position as a market leader in the US water market, boasting an unparalleled portfolio of prestigious projects. Headquartered in Broomfield, Colorado, MWH operates regional offices across the nation. In strategic moves, MWH acquired Slayden Constructors, Inc. in 2015, expanding its presence in the Pacific West, followed by the acquisition of Methuen Construction Co, Inc. in 2021, enhancing its footprint in New England. As a cohesive group, the company is committed to pursuing sustainable growth initiatives.
8001 Arista Place, Suite 500, Broomfield, CO 80021, U.S.A.
TEL:+1-720-547-5400
FAX:+1-720-453-2867
CANADA
■ OBAYASHI CANADA HOLDINGS LTD.
Obayashi Canada Holdings, Ltd. was established in 2011 to serve as the holding company for Obayashi Corporation's subsidiaries in Canada.
950 Tower Lane, Suite 800, Foster City, CA 94404, U.S.A.
TEL:+1-650-952-4910
FAX:+1-650-589-8384
TORONTO
■ OBAYASHI CANADA LTD.
Obayashi Canada Ltd. was established in 2011 to direct and support Obayashi's construction business activities in Canada.
950 Tower Lane, Suite 800, Foster City, CA 94404, U.S.A.
TEL:+1-650-952-4910
FAX:+1-650-589-8384
■ KENAIDAN GROUP LTD.
Since its founding in 1974, Kenaidan placed its signature on a wide variety of projects including: transportation facilities, wastewater treatment plants and heavy civil constructions. Kenaidan joined Obayashi group in 2011.
7080 Derrycrest Drive, Mississauga, Ontario L5W 0G5, Canada
TEL:+1-905-670-2660
FAX:+1-905-670-9172