Active registration
Y&K Maintenance Inc.
Seoul
General information for Y&K Maintenance Inc.
Physical address
26, Baekbeom-ro 90-gil, Yongsan-gu, Seoul, 04369
Mailing address
26 Baekbeom-ro 90-gil, Yongsan-gu, 101-407, Seoul, Seoul, 04369
Points of contact for Y&K Maintenance Inc.
SAM.gov Points of Contact
Byung Woo
Yoon
Government Business POC
Electronic Business POC
President
26 BAEKBEOM-RO 90-GIL, YONGSANGU, SEOUL, 04369
gi uk
LEE
Alternate Electronic Business POC
manager
26,BAEKBEOM-RO 90-GIL, YONGSAN-GU, SEOUL, Seoul, 04369
Additional contact details may be available
NAICS codes for Y&K Maintenance Inc.
| Code | Description | Small Business |
|---|---|---|
|
561210
PRIMARY
|
Facilities Support Services
|
No
|
| 212321 | Construction Sand and Gravel Mining | No |
| 213112 | Support Activities for Oil and Gas Operations | No |
| 221118 | Other Electric Power Generation | No |
|
221122
|
Electric Power Distribution
|
No
|
|
221320
|
Sewage Treatment Facilities
|
No
|
|
236220
|
Commercial and Institutional Building Construction
|
No
|
|
237110
|
Water and Sewer Line and Related Structures Construction
|
No
|
|
237210
|
Land Subdivision
|
No
|
|
237990
|
Other Heavy and Civil Engineering Construction
|
No
|
|
238140
|
Masonry Contractors
|
No
|
|
238160
|
Roofing Contractors
|
No
|
|
238190
|
Other Foundation, Structure, and Building Exterior Contractors
|
No
|
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
No
|
|
238320
|
Painting and Wall Covering Contractors
|
No
|
|
238330
|
Flooring Contractors
|
No
|
|
238340
|
Tile and Terrazzo Contractors
|
No
|
|
238350
|
Finish Carpentry Contractors
|
No
|
|
238990
|
All Other Specialty Trade Contractors
|
No
|
|
324122
|
Asphalt Shingle and Coating Materials Manufacturing
|
No
|
|
324199
|
All Other Petroleum and Coal Products Manufacturing
|
No
|
|
325520
|
Adhesive Manufacturing
|
No
|
|
327120
|
Clay Building Material and Refractories Manufacturing
|
No
|
|
327212
|
Other Pressed and Blown Glass and Glassware Manufacturing
|
No
|
|
327215
|
Glass Product Manufacturing Made of Purchased Glass
|
No
|
|
327310
|
Cement Manufacturing
|
No
|
|
327331
|
Concrete Block and Brick Manufacturing
|
No
|
|
327390
|
Other Concrete Product Manufacturing
|
No
|
|
337127
|
Institutional Furniture Manufacturing
|
No
|
|
337212
|
Custom Architectural Woodwork and Millwork Manufacturing
|
No
|
|
337215
|
Showcase, Partition, Shelving, and Locker Manufacturing
|
No
|
|
423320
|
Brick, Stone, and Related Construction Material Merchant Wholesalers
|
No
|
|
423390
|
Other Construction Material Merchant Wholesalers
|
No
|
|
423520
|
Coal and Other Mineral and Ore Merchant Wholesalers
|
No
|
|
423610
|
Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
|
No
|
|
425120
|
Wholesale Trade Agents and Brokers
|
No
|
|
484220
|
Specialized Freight (except Used Goods) Trucking, Local
|
No
|
|
484230
|
Specialized Freight (except Used Goods) Trucking, Long-Distance
|
No
|
|
522220
|
Sales Financing
|
No
|
|
522299
|
International, Secondary Market, and All Other Nondepository Credit Intermediation
|
No
|
|
523160
|
Commodity Contracts Intermediation
|
No
|
|
523910
|
Miscellaneous Intermediation
|
No
|
|
531110
|
Lessors of Residential Buildings and Dwellings
|
No
|
|
531311
|
Residential Property Managers
|
No
|
|
531312
|
Nonresidential Property Managers
|
No
|
|
531390
|
Other Activities Related to Real Estate
|
No
|
|
541410
|
Interior Design Services
|
No
|
|
561720
|
Janitorial Services
|
No
|
|
561730
|
Landscaping Services
|
No
|
|
561790
|
Other Services to Buildings and Dwellings
|
No
|
|
721199
|
All Other Traveler Accommodation
|
No
|
|
722310
|
Food Service Contractors
|
No
|
|
722514
|
Cafeterias, Grill Buffets, and Buffets
|
No
|
Update history
1 change(s) tracked
Mar 11, 2026
NAICS 423320 is no longer the primary code
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