Obayashi Corp

Obayashi Corp company information, Employees & Contact Information

Updated June 2026

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Obayashi Corp is a Civil Engineering company. It has approximately 303 employees on record. Contact data was last refreshed in June 2026. Find Obayashi Corp's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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Company Details

Employees
303
Address
Seattle, Washington
Phone
(656)224-8425
Industry
Civil Engineering
NAICS
Heavy and Civil Engineering Construction
Other Heavy and Civil Engineering Construction
HQ
Seattle, Washington
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News

The Obayashi Group's Comprehensive Exhibition "OBAYASHI VISION SHOWCASE 2025" Is Being Held in Tokyo and Osaka - obayashi.co.jp

The Obayashi Group's Comprehensive Exhibition "OBAYASHI VISION SHOWCASE 2025" Is Being Held in Tokyo and Osaka obayashi.co.jp

Pasona Group, Obayashi Corporation Announce Ceiling-Lit Operating Room "OPELUMI" Exhibit at EXPO 2025 Pavilion "PASONA NATUREVERSE" - obayashi.co.jp

Pasona Group, Obayashi Corporation Announce Ceiling-Lit Operating Room "OPELUMI" Exhibit at EXPO 2025 Pavilion "PASONA NATUREVERSE" obayashi.co.jp

Medium-Term Business Plan | Company Profile | OBAYASHI CORPORATION - obayashi.co.jp

Medium-Term Business Plan | Company Profile | OBAYASHI CORPORATION obayashi.co.jp

Joint development agreement signed with Tuaropaki Trust, will build hydrogen production plant - obayashi.co.jp

Joint development agreement signed with Tuaropaki Trust, will build hydrogen production plant obayashi.co.jp

Acquisition of Shares of GCON Inc. (US Construction Company) and Its Affiliated Companies | News | Obayashi Global - obayashi.co.jp

Acquisition of Shares of GCON Inc. (US Construction Company) and Its Affiliated Companies | News | Obayashi Global obayashi.co.jp

Creating an Entirely New Kyoto Racecourse | Special | OBAYASHI CORPORATION - obayashi.co.jp

Creating an Entirely New Kyoto Racecourse | Special | OBAYASHI CORPORATION obayashi.co.jp

Obayashi forms partnership with Siemens Gamesa Renewable Energy for Northern Akita Offshore Wind Farm Project - obayashi.co.jp

Obayashi forms partnership with Siemens Gamesa Renewable Energy for Northern Akita Offshore Wind Farm Project obayashi.co.jp

Visual process management system "ProMIE™" has been upgraded | News | Obayashi Global - obayashi.co.jp

Visual process management system "ProMIE™" has been upgraded | News | Obayashi Global obayashi.co.jp

Development of MR construction management application "holonica™" which superimposes BIM data over construction location data | News | Obayashi Global - obayashi.co.jp

Development of MR construction management application "holonica™" which superimposes BIM data over construction location data | News | Obayashi Global obayashi.co.jp

Obayashi Corporation Establishes Capital Alliance with Cypress Sunadaya, a Manufacturer and Distributor of Timber - obayashi.co.jp

Obayashi Corporation Establishes Capital Alliance with Cypress Sunadaya, a Manufacturer and Distributor of Timber obayashi.co.jp

OWJJ JV Awarded Contract for the first large-scale wastewater treatment plant in Special Region of Jakarta, Indonesia - obayashi.co.jp

OWJJ JV Awarded Contract for the first large-scale wastewater treatment plant in Special Region of Jakarta, Indonesia obayashi.co.jp

Obayashi Established a New Business Company "PLiBOT" to Provide a Wide Variety of Autonomous Mobile Robots and Integrated Control Platforms | News | Obayashi Global - obayashi.co.jp

Obayashi Established a New Business Company "PLiBOT" to Provide a Wide Variety of Autonomous Mobile Robots and Integrated Control Platforms | News | Obayashi Global obayashi.co.jp

Japan’s First All-Timber Fire-Resistant High-Rise Building Construction Technologies - obayashi.co.jp

Japan’s First All-Timber Fire-Resistant High-Rise Building Construction Technologies obayashi.co.jp

Development of High-Functionality Pavement "MultiPave - トヨタ自動車株式会社 公式企業サイト

Development of High-Functionality Pavement "MultiPave トヨタ自動車株式会社 公式企業サイト

STAGE EVENT ARCHIVE Added to Special Website for "OBAYASHI VISION SHOWCASE 2025," the Obayashi Group's Comprehensive Exhibition - obayashi.co.jp

STAGE EVENT ARCHIVE Added to Special Website for "OBAYASHI VISION SHOWCASE 2025," the Obayashi Group's Comprehensive Exhibition obayashi.co.jp

Commemorative Certificate for Capital Tie-up Signed with Eastland Generation in the Presence of New Zealand Prime Minister Luxon | News | Obayashi Global - obayashi.co.jp

Commemorative Certificate for Capital Tie-up Signed with Eastland Generation in the Presence of New Zealand Prime Minister Luxon | News | Obayashi Global obayashi.co.jp

Obayashi Corporation Establishes Obayashi Construction-Tech Lab Singapore, an Overseas R&D Base in Singapore - obayashi.co.jp

Obayashi Corporation Establishes Obayashi Construction-Tech Lab Singapore, an Overseas R&D Base in Singapore obayashi.co.jp

Successful cultivation of plants using simulated lunar soil as a step toward realizing space farming - obayashi.co.jp

Successful cultivation of plants using simulated lunar soil as a step toward realizing space farming obayashi.co.jp

Large-Scale Hydroponic Cultivation Experiments by Advanced Greenhouses Start on Indonesia's Bintan Island - obayashi.co.jp

Large-Scale Hydroponic Cultivation Experiments by Advanced Greenhouses Start on Indonesia's Bintan Island obayashi.co.jp

Project awards announcement:"Atlassian Central, The world's tallest hybrid-timber building" | News | Obayashi Global - obayashi.co.jp

Project awards announcement:"Atlassian Central, The world's tallest hybrid-timber building" | News | Obayashi Global obayashi.co.jp

"Digital Twin App" is Developed to Create Digital Twins for Construction Sites | News | Obayashi Global - obayashi.co.jp

"Digital Twin App" is Developed to Create Digital Twins for Construction Sites | News | Obayashi Global obayashi.co.jp

Obayashi Corporation Has Released Website "Smart BIM Standard®" | News | Obayashi Global - obayashi.co.jp

Obayashi Corporation Has Released Website "Smart BIM Standard®" | News | Obayashi Global obayashi.co.jp

Obayashi and Hitachi Solutions Established "Oprizon, Ltd.," a Joint Venture Providing Smart Building-related Services - obayashi.co.jp

Obayashi and Hitachi Solutions Established "Oprizon, Ltd.," a Joint Venture Providing Smart Building-related Services obayashi.co.jp

Space Elevator | Six Stories | OBAYASHI CHRONICLE 130 English - obayashi.co.jp

Space Elevator | Six Stories | OBAYASHI CHRONICLE 130 English obayashi.co.jp

Commencement of PoC for Green Hydrogen Production, Transportation and Utilization in New Zealand and the Republic of Fiji | News | Obayashi Global - obayashi.co.jp

Commencement of PoC for Green Hydrogen Production, Transportation and Utilization in New Zealand and the Republic of Fiji | News | Obayashi Global obayashi.co.jp

Obayashi granted OIO for 50% shares in Eastland Generation | News | Obayashi Global - obayashi.co.jp

Obayashi granted OIO for 50% shares in Eastland Generation | News | Obayashi Global obayashi.co.jp

Development of the 4D Construction Management Assistant System that reflects on-site operation status in real time - obayashi.co.jp

Development of the 4D Construction Management Assistant System that reflects on-site operation status in real time obayashi.co.jp

Use of next-generation biofuel "Renewable Diesel" during construction at Expo 2025 Osaka, Kansai, Japan (long-term demonstration) | News | Obayashi Global - obayashi.co.jp

Use of next-generation biofuel "Renewable Diesel" during construction at Expo 2025 Osaka, Kansai, Japan (long-term demonstration) | News | Obayashi Global obayashi.co.jp

Announcing Investment in APB, Developer of the "All-Polymer Battery," a Next-Generation Lithium-Ion Battery - obayashi.co.jp

Announcing Investment in APB, Developer of the "All-Polymer Battery," a Next-Generation Lithium-Ion Battery obayashi.co.jp

Introduction of Overseas Offices: North America | Global presence | OBAYASHI CHRONICLE 130 English - obayashi.co.jp

Introduction of Overseas Offices: North America | Global presence | OBAYASHI CHRONICLE 130 English obayashi.co.jp

Obayashi SVVL (Silicon Valley Ventures & Laboratory) received Special Prize of JAPAN Construction Int'l Award - obayashi.co.jp

Obayashi SVVL (Silicon Valley Ventures & Laboratory) received Special Prize of JAPAN Construction Int'l Award obayashi.co.jp

New Zealand's First Green Hydrogen Fast Refuelling Station Begins Commercial Operation | News | Obayashi Global - obayashi.co.jp

New Zealand's First Green Hydrogen Fast Refuelling Station Begins Commercial Operation | News | Obayashi Global obayashi.co.jp

Creating a New Landmark in Yokohama Minato Mirai | Special | OBAYASHI CORPORATION - obayashi.co.jp

Creating a New Landmark in Yokohama Minato Mirai | Special | OBAYASHI CORPORATION obayashi.co.jp

Great East Japan Earthquake | Six Stories | OBAYASHI CHRONICLE 130 English - obayashi.co.jp

Great East Japan Earthquake | Six Stories | OBAYASHI CHRONICLE 130 English obayashi.co.jp

Japan's Largest Construction Company, Obayashi, Selects Innoviz's LiDAR for its New Proprietary Automatic Tower Crane System - PR Newswire

Japan's Largest Construction Company, Obayashi, Selects Innoviz's LiDAR for its New Proprietary Automatic Tower Crane System PR Newswire

Japanese construction company to build dam with automated robots - Archinect

Japanese construction company to build dam with automated robots Archinect

Two Obayashi Corporation Representatives Honored Aotearoa Hydrogen Awards 2025 in New Zealand - obayashi.co.jp

Two Obayashi Corporation Representatives Honored Aotearoa Hydrogen Awards 2025 in New Zealand obayashi.co.jp

Acquisition of 60 Gracechurch Street, Office Building in the City of London | News | Obayashi Global - obayashi.co.jp

Acquisition of 60 Gracechurch Street, Office Building in the City of London | News | Obayashi Global obayashi.co.jp

3D-Printed Demonstration Building "3dpod™" Completed | News | Obayashi Global - obayashi.co.jp

3D-Printed Demonstration Building "3dpod™" Completed | News | Obayashi Global obayashi.co.jp

Development of AiCorb® to streamline the early stages of architectural design | News | Obayashi Global - obayashi.co.jp

Development of AiCorb® to streamline the early stages of architectural design | News | Obayashi Global obayashi.co.jp

Three Bridge Projects in Bangladesh Received Japan Construction International Award | News | Obayashi Global - obayashi.co.jp

Three Bridge Projects in Bangladesh Received Japan Construction International Award | News | Obayashi Global obayashi.co.jp

OBAYASHI AWARDED PRESTIGIOUS WELL CERTIFICATION BY THE INTERNATIONAL WELL BUILDING INSTITUTE™ The first WELL Certified™ project in Japan | News | Obayashi Global - obayashi.co.jp

OBAYASHI AWARDED PRESTIGIOUS WELL CERTIFICATION BY THE INTERNATIONAL WELL BUILDING INSTITUTE™ The first WELL Certified™ project in Japan | News | Obayashi Global obayashi.co.jp

Successfully Demonstrated Marine Transportation of Green Hydrogen Produced in New Zealand and its Utilization in Fiji | News | Obayashi Global - obayashi.co.jp

Successfully Demonstrated Marine Transportation of Green Hydrogen Produced in New Zealand and its Utilization in Fiji | News | Obayashi Global obayashi.co.jp

Building a Huge Bridge over Raging River in Bangladesh | Special | OBAYASHI CORPORATION - obayashi.co.jp

Building a Huge Bridge over Raging River in Bangladesh | Special | OBAYASHI CORPORATION obayashi.co.jp

Japan's First TLP-type Floating Structure for Offshore Wind Installed in an Actual Sea Area | News | Obayashi Global - obayashi.co.jp

Japan's First TLP-type Floating Structure for Offshore Wind Installed in an Actual Sea Area | News | Obayashi Global obayashi.co.jp

Marking Obayashi Corporation's 120th Anniversary with a New Vision for the Future - obayashi.co.jp

Marking Obayashi Corporation's 120th Anniversary with a New Vision for the Future obayashi.co.jp

Remote Operation Technology for Construction Machinery with Next-Generation 5G Mobile Communication System and 4K 3D Monitor | Appendix | OBAYASHI CHRONICLE 130 English - obayashi.co.jp

Remote Operation Technology for Construction Machinery with Next-Generation 5G Mobile Communication System and 4K 3D Monitor | Appendix | OBAYASHI CHRONICLE 130 English obayashi.co.jp

Smart Water City Tokyo Concept | Special | OBAYASHI CORPORATION - obayashi.co.jp

Smart Water City Tokyo Concept | Special | OBAYASHI CORPORATION obayashi.co.jp

The "Compact Agriculture" Concept | Special | OBAYASHI CORPORATION - obayashi.co.jp

The "Compact Agriculture" Concept | Special | OBAYASHI CORPORATION obayashi.co.jp

Japan's Obayashi Corp. Develops 'Low-Carbon' Concrete (mobile) - Japan for Sustainability

Japan's Obayashi Corp. Develops 'Low-Carbon' Concrete (mobile) Japan for Sustainability

Renovation of the U.S.Ambassador's Residence, U.S.Embassy, Tokyo, Japan | Projects | OBAYASHI CORPORATION - obayashi.co.jp

Renovation of the U.S.Ambassador's Residence, U.S.Embassy, Tokyo, Japan | Projects | OBAYASHI CORPORATION obayashi.co.jp

Eco-tourism focused greenhouse under construction in Indonesia - Hortidaily

Eco-tourism focused greenhouse under construction in Indonesia Hortidaily

Japan: Bridging the gap between scientific research and business opportunities - Hortidaily

Japan: Bridging the gap between scientific research and business opportunities Hortidaily

Consultation begins on £450m plans for 60 Gracechurch Street - Construction Index

Consultation begins on £450m plans for 60 Gracechurch Street Construction Index

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