Y&K MAINTENANCE INC.
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2012
- $4.95M
- $4,947,711under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 2
- with positive net obligations
- Latest action
- Dec 16, 2014
- SAM.gov registration
- Active
- Registration expiration date Oct 2, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Dec 26, 2008 (17 years)
- Location
- Seoul
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 30, 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 30, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI Y8DBYD9XHKL7. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2012. 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
- FY2015: -$97,035 (de-obligation)
- FY2013: $3,260,746
- FY2012: $1,784,000
Total across 3 fiscal years: $4,947,711
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$4,947,711, 100%
Top awarding sub-agencies
- Department of the Army$4,947,711, 100%
Top NAICS by obligations
- 561210Facilities support services$4,947,711, 100%
Top product and service codes by obligations
- Z1DAMaintenance of hospitals and infirmaries$4,947,711, 100%
Capabilities
NAICS codes
- 561210Facilities Support Services(primary)
- 327320Ready‑Mix Concrete ManufacturingSmall
- 531110Leasing of Building Space to the Federal Government by OwnersSmall
- 238990Building and Property Specialty Trade ServicesSmall
- 423310Lumber, Plywood, Millwork, and Wood Panel Merchant WholesalersSmall
- 238320Painting and Wall Covering Contractors
Show all 84 NAICS codes78 more NAICS codes
- 332322Sheet Metal Work ManufacturingSmall
- 327212Other Pressed and Blown Glass and Glassware Manufacturing
- 423320Brick, Stone, and Related Construction Material Merchant Wholesalers
- 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceSmall
- 324199All Other Petroleum and Coal Products Manufacturing
- 722320CaterersSmall
- 532412Construction, Mining and Forestry Machinery and Equipment Rental and LeasingSmall
- 221118Other Electric Power Generation
- 561740Carpet and Upholstery Cleaning ServicesSmall
- 238390Other Building Finishing ContractorsSmall
- 561720Janitorial Services
- 444110Home CentersSmall
- 541410Interior Design Services
- 326199All Other Plastics Product ManufacturingSmall
- 321912Cut Stock, Resawing Lumber, and PlaningSmall
- 522299International, Secondary Market, and All Other Nondepository Credit Intermediation
- 531120Leasing of Building Space to the Federal Government by OwnersSmall
- 321911Wood Window and Door ManufacturingSmall
- 531390Other Activities Related to Real Estate
- 238160Roofing Contractors
- 213112Support Activities for Oil and Gas Operations
- 221320Sewage Treatment Facilities
- 523160Commodity Contracts Intermediation
- 236118Residential RemodelersSmall
- 423330Roofing, Siding, and Insulation Material Merchant WholesalersSmall
- 444120Paint and Wallpaper RetailersSmall
- 236220Commercial and Institutional Building Construction
- 721199All Other Traveler Accommodation
- 238330Flooring Contractors
- 327331Concrete Block and Brick Manufacturing
- 425120Wholesale Trade Agents and Brokers
- 332321Metal Window and Door ManufacturingSmall
- 332312Fabricated Structural Metal ManufacturingSmall
- 327991Cut Stone and Stone Product ManufacturingSmall
- 237990Dredging and Surface Cleanup ActivitiesSmall
- 325510Paint and Coating ManufacturingSmall
- 337127Institutional Furniture Manufacturing
- 444180Other Building Material DealersSmall
- 238210Electrical Contractors and Other Wiring Installation ContractorsSmall
- 327993Mineral Wool ManufacturingSmall
- 423610Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
- 722310Food Service Contractors
- 238310Drywall and Insulation ContractorsSmall
- 327332Concrete Pipe ManufacturingSmall
- 327390Other Concrete Product Manufacturing
- 531311Residential Property Managers
- 423990Other Miscellaneous Durable Goods Merchant WholesalersSmall
- 561790Other Services to Buildings and Dwellings
- 238140Masonry Contractors
- 523910Miscellaneous Intermediation
- 337212Custom Architectural Woodwork and Millwork Manufacturing
- 324122Asphalt Shingle and Coating Materials Manufacturing
- 237210Land Subdivision
- 327310Cement Manufacturing
- 423390Other Construction Material Merchant Wholesalers
- 337215Showcase, Partition, Shelving, and Locker Manufacturing
- 332311Prefabricated Metal Building and Component ManufacturingSmall
- 212321Construction Sand and Gravel Mining
- 444140Hardware RetailersSmall
- 325520Adhesive Manufacturing
- 238340Tile and Terrazzo Contractors
- 332323Ornamental and Architectural Metal Work ManufacturingSmall
- 238350Finish Carpentry Contractors
- 532490Other Commercial and Industrial Machinery and Equipment Rental and LeasingSmall
- 484220Specialized Freight (except Used Goods) Trucking, Local
- 237110Water and Sewer Line and Related Structures Construction
- 561730Landscaping Services
- 327120Clay Building Material and Refractories Manufacturing
- 423520Coal and Other Mineral and Ore Merchant Wholesalers
- 238190Other Foundation, Structure, and Building Exterior Contractors
- 531312Nonresidential Property Managers
- 484230Specialized Freight (except Used Goods) Trucking, Long-Distance
- 221122Electric Power Distribution
- 327215Glass Product Manufacturing Made of Purchased Glass
- 722514Cafeterias, Grill Buffets, and Buffets
- 327420Gypsum Product ManufacturingSmall
- 522220Sales Financing
- 238220Plumbing, Heating, and Air-Conditioning Contractors
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- W91QVN13P0339PoDepartment of DefenseDepartment of the ArmyLatest action
- W91QVN12P0198PoDepartment of DefenseDepartment of the ArmyLatest action
- W91QVN12C0019DcaDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Y&K MAINTENANCE INC. lists a physical address and a separate mailing address, along with 3 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
26, BAEKBEOM-RO 90-GIL, YONGSAN-GU
SEOUL, 04369
KOR
Mailing Address
26 Baekbeom-ro 90-gil, Yongsan-gu
101-407
Seoul, Seoul, 04369
KOR
Government Business Contact
Byungwoo Yoon
President
26 BAEKBEOM-RO 90-GIL, YONGSANGU
SEOUL, 04369
KOR
Electronic Business Contact
Byungwoo Yoon
President
26 BAEKBEOM-RO 90-GIL, YONGSANGU
SEOUL, 04369
KOR
Electronic Business Alternate Contact
gi uk LEE
manager
26,BAEKBEOM-RO 90-GIL, YONGSAN-GU
SEOUL, Seoul, 04369
KOR
Additional Details
As of . Source: SAM.gov Entity Registration.
Y&K MAINTENANCE INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires October 2, 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
Not registered for disaster relief
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