Obayashi Corporation
Obayashi Corporation is a Japanese construction company that provides a wide range of services including domestic and international construction, development projects, green energy, and new business areas.
Obayashi Corporation has been awarded numerous federal contracts from agencies like the Department of State Bureau of Overseas Building Operations, the Department of the Army Installation Management Command Pacific Region, and the Department of the Air Force Pacific Air Forces to provide construction, repair, and renovation services at facilities in Japan. These have included delivery orders for housing unit renovations, HVAC system repairs, bathroom replacements, window and door restorations, flooring replacements, kitchen cabinet installations, and exterior caulking services valued from $2,000 to $36.9 million. Obayashi has served as the prime contractor on these fixed-price contracts, with no set-aside designations and utilizing subcontractors in some cases, to maintain infrastructure and improve quality of life for government personnel stationed abroad.
Obayashi also holds multiple indefinite delivery/indefinite quantity contract vehicles to enable ongoing construction task orders in Japan. These include a $990 million IDC under the Army's Master Multiple Award Construction Contract where Obayashi competes for delivery orders at Army and Air Force bases through 2030, a $240,000 IDC for exterior caulking replacement from the State Department through 2023, and a $3 million IDC for door and window restorations at the U.S. Embassy Tokyo residence with task orders authorized through 2024.
DKH8CBB338P1 236220
Not listed 2-chōme-15-15 Kōnan, Minato City, Tokyo 108-0075, Japan
9/9/09 9/11/25 Nippo Corporation
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EBMJFFU2G543 237310
Not listed Not listed 1/30/06 4/19/22 Onaka Gumi Co.,Ltd.
Onaka Gumi Co., Ltd. is a for-profit construction company based in Okinawa, Japan, that specializes in providing comprehensive services to U.S. federal government agencies, particularly those associated with military installations in the region. Registered in the System for Award Management (SAM.gov) since May 13, 2005, the company has established itself as a key contractor supporting U.S. military infrastructure and environmental management needs in Okinawa. While limited publicly available information exists about the company's broader corporate background, its extensive federal contract history demonstrates a sophisticated capability to support complex military facility maintenance and environmental remediation projects.
The company's federal contract awards predominantly involve construction, maintenance, repair, waste disposal, and environmental remediation services across U.S. military installations in Okinawa. These contracts consistently span waste management activities, including the disposal of industrial waste, flammable materials, chemical substances, compressed gas cylinders, and non-regulated solids. Onaka Gumi has received numerous delivery orders from agencies such as the Defense Logistics Agency Disposition Services, U.S. Army Corps of Engineers, U.S. Marine Corps, Navy Installations Command, and Pacific Air Forces. The contracts frequently involve precise, technical services like demolishing buildings, repairing infrastructure, managing hazardous materials, controlling soil erosion, and addressing typhoon-related damage. Significantly, none of the contracts reviewed utilized set-aside designations, indicating the company's ability to compete successfully in open competition.
Onaka Gumi holds three principal federal contract Indefinite Delivery/Indefinite Quantity (IDIQ) contracts that form the backbone of its federal contracting portfolio. The first is a $250 million multiple-award IDIQ with the U.S. Department of the Navy for design-bid-build construction services at Marine Corps Base Camp Butler and Commander Fleet Activities Okinawa, effective through June 27, 2029. The second is a $95 million multiple-award IDIQ with the U.S. Army Corps of Engineers for construction, maintenance, and repair services in Okinawa, running until April 20, 2028. The third is a $7.8 million single-award IDIQ with the Defense Logistics Agency Disposition Services for waste management and environmental remediation services, with a performance period ending May 19, 2029. These contracts enable Onaka Gumi to receive task orders for projects ranging from small infrastructure repairs to large-scale demolition and environmental remediation efforts, positioning the company as a critical service provider for U.S. military operations in the Okinawa region.
GW6ZE1QWBLH3 236220
Not listed 2-chōme-1-1 Ōhira, Urasoe, Okinawa 901-2113, Japan
5/13/05 9/6/25 American Engineering Corporation
American Engineering Corporation is a construction company that has been providing optimal solutions to the US government and businesses for over 50 years. As a foreign owned, for-profit corporate entity, American Engineering Corporation has received prime federal contract awards from agencies such as the Department of Defense, including the Navy, Army, Air Force, and Marine Corps, as well as the Defense Logistics Agency to provide a wide range of construction, facility maintenance, and infrastructure upgrade services at military installations in Japan and Okinawa. These services have included new construction projects, building and infrastructure repairs, replacements of major systems like electrical, HVAC and generators, interior refurbishments, and exterior painting services. American Engineering has also provided IT infrastructure upgrades, maintenance services for vertical transportation systems, machinery, and corrosion repair facilities, and supply of specialized equipment and materials.
As a subcontractor, American Engineering Corporation has provided technical and installation support services, equipment rentals, and other undefined technical services in conjunction with prime contractors VT Milcom Inc., Science Applications International Corporation, Northrop Grumman Systems Corporation, and Serco Inc. on various federal contracts.
American Engineering Corporation holds several indefinite delivery/indefinite quantity contract vehicles with the Navy, Marine Corps and Air Force, including the Kadena, Sasebo and Iwakuni Multiple Award Construction Contracts, the Mini Multiple Award Construction Contract for Various Government Installations in Okinawa, and Blanket Purchase Agreements for specialized services like machinery maintenance and corrosion repair. Task orders issued under these vehicles have funded critical construction, upgrade and maintenance projects at Marine Corps, Navy and Air Force installations across Okinawa, Iwakuni and the Kanto Plains region, enabling American Engineering Corporation to provide continued infrastructure and facilities support aligned with mission readiness and operational objectives.
M336EV5K3YZ3 561210
Not listed 7 Chome-11 Oyama, Ginowan, Okinawa 901-2223, Japan
1/15/02 12/27/25 Sankyo Denki Ohna Denken JV
Sankyo Denki Ohna Denken JV is a for-profit corporate entity and community development corporation owned firm registered to receive federal contract awards. The company provides design-build services, repairs, replacements, and upgrades to facilities infrastructure, electrical systems, HVAC systems, and lighting systems at United States military installations in Okinawa, Japan.
Past federal contract awards indicate that Sankyo Denki Ohna Denken JV has served as the prime contractor providing design-build services to replace HVAC equipment at Camp Hansen, repair BOQ facilities at Camp Foster, replace lighting systems at Marine Corps Air Station Futenma, and repair electrical distribution systems in Awase. These delivery orders were issued under the Naval Facilities Engineering Command's Okinawa Construction and Camp Schwab Japan Construction indefinite-delivery/indefinite-quantity contract vehicles. Funding was provided by the United States Marine Corps and Department of the Navy appropriations to support critical infrastructure upgrades at these overseas installations. The potential value of these awards ranged from $656,745 to $8.7 million, with completion dates between 2020 and 2022. No set aside provisions or subcontractors were specified.
MAXMYK78VY38 238210
Not listed Not listed 2/23/11 8/16/23