SG Engineering Inc.
Ginowan, Okinawa
- UEI
- S99JNKNM6XU7
- CAGE
- JS5P9
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Tax Exempt)
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 1-chōme-6-5 Shimashi, Ginowan, Okinawa 901-2213, Japan
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $228,646 |
| FY2025 | $209,358 |
| FY2024 | $666,375 |
| FY2023 | $242,471 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $210,052 | |
| 2 | Department of the Navy | $18,594 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Gushiken Architectural Engineering Co., LTD. | Naha, Okinawa | 541310 Architectural Services |
| Kyowa Technologies Co.,Ltd. | Kitanakagusuku, Okinawa | 541330 Engineering Services |
| NIA Engineering Co., LTD. | Taito City, Tokyo | 236220 Commercial and Institutional Building Construction |
| Insynergy Engineering, Inc. | Okinawa, Okinawa | 541330 Engineering Services |
| TOA Corporation | Naha, Okinawa | 237990 Other Heavy and Civil Engineering Construction |
About the company
SG Engineering Inc. is a for-profit limited liability company based in Ginowan, Okinawa, Japan, that specializes in providing architecture and engineering services primarily to U.S. military installations in Japan. Registered in SAM.gov since 2004, the company focuses on supporting U.S. Department of Defense facilities through architect-engineer services, facility improvement projects, infrastructure maintenance, and construction support under the Status of Forces Agreement (SOFA) acquisition program. The firm works extensively with U.S. military branches, including the Army Corps of Engineers, Navy, Marine Corps, and other defense-related agencies to develop criteria packages, conduct facility studies, and perform critical infrastructure improvements at military bases across Japan.
The company has been awarded multiple prime federal contracts for a diverse range of architectural and engineering services, consistently focusing on U.S. military facilities in Japan. These contracts have included preparing criteria packages for facilities such as hazardous waste areas, military working dog facilities, and consolidated administration buildings; conducting airfield light studies; performing electrical upgrades; and supporting infrastructure repair and improvement projects at locations like Yokosuka Naval Base, MCAS Futenma, Camp Zama, Camp Schwab, and Kadena Air Base. All of SG Engineering's recent contract awards have been firm-fixed-price delivery orders without any small business set-aside designations, indicating the company's competitive positioning in providing specialized overseas military construction support services.
SG Engineering Inc. holds two significant Indefinite Delivery/Indefinite Quantity (IDIQ) contracts that enable its federal work. The first is a $49 million multiple-award IDIQ with the Army Corps of Engineers Engineering District Japan, running until September 2027, which supports architect-engineer services for host nation construction programs at U.S. military facilities across Japan. The second is a $10 million single-award IDIQ with the Navy Installations Command, effective from October 2021 to October 2029, specifically focused on electrical services at various locations in Japan. Under these IDIQs, the company has received numerous task orders from agencies including the Marine Corps, Navy, and Army Corps of Engineers, demonstrating its ability to provide comprehensive engineering support across different military branches and project types in the Japanese theater of operations.
Quick answers
Is SG Engineering Inc. registered in SAM.gov?
Yes. SG Engineering Inc.'s SAM.gov registration is active through May 19, 2027.
How much has SG Engineering Inc. received in federal contracts?
Federal contracts obligated $209,358 to SG Engineering Inc. in fiscal year 2025 and $1,346,850 in fiscal years 2023 through 2027.
What is SG Engineering Inc.'s most recent federal award?
SG Engineering Inc.'s most recent federal contract award is Preparation of basic criteria package for alliance transformation and realignment agreement project MC1601-t marine… (W912HV26FA023), from ENDIST Japan (USACE), on April 15, 2026.
On GovTribe
See SG Engineering Inc.'s full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors