GovChime
UEI: GEHWP7CK4TA4 • CAGE: 1S94F

YONGMA SERVICE CORPORATION

Registration and award facts

SAM.gov registration as of

Net obligations since FY2017
$30.07M
$30,073,320under this UEI
FY2026 obligations
$2.24M
$2,241,508Provisional
Awards and orders
144
with positive net obligations7 IDV vehicles held
Latest action
Jul 22, 2026
SAM.gov registration
Active
Registration expiration date Sep 17, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Oct 15, 1988 (38 years)
Location
Seoul
Purpose of registration
All Awards

† 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 GEHWP7CK4TA4. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2017. 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: $2,241,508 (provisional)
  • FY2025: $3,166,149
  • FY2024: $3,043,397
  • FY2023: $4,189,979
  • FY2022: $4,331,382
  • FY2021: $3,181,999
  • FY2020: $3,245,617
  • FY2019: $3,356,735
Show all 10 years
  • FY2018: $2,511,859
  • FY2017: $804,695

Total across 10 fiscal years: $30,073,320

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • S205Housekeeping- trash/garbage collection$30,024,555, 99.8%
  • J099Maint/repair/rebuild of equipment- miscellaneous$41,471, 0.1%
  • 4540Waste disposal equipment$7,295, <0.1%

Capabilities

NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration:

  • Minority-Owned Business

Contracts

Latest awards and orders

  1. W90VN624DA005Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
  2. W91QVN26FA445Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  3. W91QVN26FA406Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  4. W91QVN25FA156Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  5. W90VN826FA052Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  6. W91QVN25D0006Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
  7. W91QVN26FA304Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  8. W91QVN22D0026Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
  9. W91QVN26FA255Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
  10. W91QVN26FA249Delivery 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 YONGMA SERVICE CORPORATION lists a physical address and a separate mailing address, along with 6 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

213, Sinnaeyeok-ro, Jungnang-gu

Seoul

KOR

Mailing Address

213, Sinnaeyeok-ro, Jungnang-gu

Seoul

KOR

Government Business Contact

HyunHak Lee

Manager

213, Sinnaeyeok-ro, Jungnang-gu

Seoul, 02056

KOR

Electronic Business Contact

BinHyo Jang

Manager

121, SINNAE-DONG, JUNGNANG-GU

SEOUL, 131130

KOR

Past Performance Contact

BinHyo Jang

Manager

121, SINNAE-DONG, JUNGNANG-GU

Seoul, Seoul

KOR

Government Business Alternate Contact

BinHyo Jang

Manager

121, SINNAE-DONG, JUNGNANG-GU

SEOUL, 131130

KOR

Electronic Business Alternate Contact

HyunHak Lee

Manager

213, Sinnaeyeok-ro, Jungnang-gu

Seoul, Seoul, 02056

KOR

Past Performance Alternate Contact

BinHyo Jang

Manager

121, SINNAE-DONG, JUNGNANG-GU

Seoul, Seoul

KOR

Additional Details

As of . Source: SAM.gov Entity Registration.

YONGMA SERVICE CORPORATION has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 17, 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 responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Jan 2, 2008

Last Update

Sep 18, 2026

Registration Activation

Active — Sep 18, 2026

Fiscal Year End

11/30

Country of Incorporation

KOR