S-ONE CONSTRUCTION CO.,LTD. (GANGWON-DO)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2024
- $2.11M
- $2,108,787under this UEI
- FY2026 obligations
- $636.98K†
- $636,975Provisional
- Awards and orders
- 11
- with positive net obligations5 IDV vehicles held
- Latest action
- Jul 13, 2026
- SAM.gov registration
- Active
- Registration expiration date Feb 11, 2027
Registration
- Entity structure
- Corporate Entity (Tax Exempt)
- Business start date
- Feb 1, 2007 (19 years)
- Location
- Wonju-Si, GANGWON-DO
- Website
- s1const.co.kr
† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 26, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI MGN3EALSPNE7. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2024. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $636,975 (provisional)
- FY2025: $793,253
- FY2024: $678,558
Total across 3 fiscal years: $2,108,787
Top awarding agencies
- Department of Defense$2,108,787, 100%
Top awarding sub-agencies
- Department of the Army$2,108,787, 100%
Top NAICS by obligations
- 236220Commercial and institutional building construction$2,108,787, 100%
Top product and service codes by obligations
- Z2JZRepair or alteration of miscellaneous buildings$779,061, 36.9%
- Z1AZMaintenance of other administrative facilities and service buildings$689,751, 32.7%
- Z2LBRepair or alteration of highways/roads/streets/bridges/railways$426,465, 20.2%
- P500Salvage- demolition of structures/facilities (other than buildings)$213,510, 10.1%
Capabilities
NAICS codes
- 236220Commercial and Institutional Building Construction(primary)
- 236116New Multifamily Housing Construction (except For-Sale Builders)
- 236117New Housing For-Sale Builders
- 236118Residential Remodelers
- 236210Industrial Building Construction
- 237210Land Subdivision
Show all 27 NAICS codes21 more NAICS codes
- 237310Highway, Street, and Bridge Construction
- 237990E
- 238110Poured Concrete Foundation and Structure Contractors
- 238120Structural Steel and Precast Concrete Contractors
- 238130Framing Contractors
- 238140Masonry Contractors
- 238150Glass and Glazing Contractors
- 238160Roofing Contractors
- 238170Siding Contractors
- 238190Other Foundation, Structure, and Building Exterior Contractors
- 238210Electrical Contractors and Other Wiring Installation Contractors
- 238220Plumbing, Heating, and Air-Conditioning Contractors
- 238290Other Building Equipment Contractors
- 238310Drywall and Insulation Contractors
- 238320Painting and Wall Covering Contractors
- 238330Flooring Contractors
- 238340Tile and Terrazzo Contractors
- 238350Finish Carpentry Contractors
- 238390Other Building Finishing Contractors
- 238910Site Preparation Contractors
- 238990E
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- W90VN826FA080Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W90VN826FA089Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W90VN925FA071Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W90VN925D0003Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W90VN825FA003Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W91QVN24D0072Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W91QVN24D0054Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W91QVN24D0034Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W91QVN24D0015Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W90VN925FA171Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for S-ONE CONSTRUCTION CO.,LTD. lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
99 DAEANEUNHAENGJEONG-GIL, HEUNG-EOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Mailing Address
2F, 99 DAEANEUNHAENGJEONG-GIL, HEUNG-EOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Government Business Contact
BYOUNGDOL SEO
MANAGING DIRECTOR
2F,99 DAEANEUNHAENGJEONG-GIL, HEUNGEOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Electronic Business Contact
YOUNGWOO JOO
MANAGER
2F,99 DAEANEUNHAENGJEONG-GIL, HEUNGEOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Government Business Alternate Contact
BYOUNGDOL SEO
MANAGING DIRECTOR
2F,99 DAEANEUNHAENGJEONG-GIL, HEUNGEOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Electronic Business Alternate Contact
YOUNGWOO JOO
MANAGER
2F,99 DAEANEUNHAENGJEONG-GIL, HEUNGEOP-MYEON
WONJU-SI, GANGWON-DO, 26492
KOR
Past Performance Alternate Contact
0002 237990NN ~238990NN
0000
0001
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
S-ONE CONSTRUCTION CO.,LTD. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires February 11, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — Nationwide
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
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- Yojin Construction & Engineering Co., Ltd.Wonju-Si, GANGWON-DO