Active registration
GKS Co., Ltd.
Seoul
General information for GKS Co., Ltd.
Physical address
64, Yanghwa-ro, Mapo-gu, Seoul
Mailing address
64, Yanghwa-ro, Mapo-gu, Seoul, SEOUL, 04045
Points of contact for GKS Co., Ltd.
SAM.gov Points of Contact
Gwan Soon
Park
Government Business POC
Electronic Business POC
64, YANGHWA-RO, MAPO-GU, SEOUL, 04045
Additional contact details may be available
NAICS codes for GKS Co., Ltd.
| Code | Description | Small Business |
|---|---|---|
|
339950
PRIMARY
|
Sign Manufacturing
|
No
|
| 236220 | Commercial and Institutional Building Construction | No |
| 237110 | Water and Sewer Line and Related Structures Construction | No |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | No |
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
No
|
|
238290
|
Other Building Equipment Contractors
|
No
|
|
238320
|
Painting and Wall Covering Contractors
|
No
|
|
238340
|
Tile and Terrazzo Contractors
|
No
|
|
238390
|
Other Building Finishing Contractors
|
No
|
|
311991
|
Perishable Prepared Food Manufacturing
|
No
|
|
312112
|
Bottled Water Manufacturing
|
No
|
|
314999
|
All Other Miscellaneous Textile Product Mills
|
No
|
|
315210
|
Cut and Sew Apparel Contractors
|
No
|
|
315990
|
Apparel Accessories and Other Apparel Manufacturing
|
No
|
|
316210
|
Footwear Manufacturing
|
No
|
|
322230
|
Stationery Product Manufacturing
|
No
|
|
324110
|
Petroleum Refineries
|
No
|
|
324191
|
Petroleum Lubricating Oil and Grease Manufacturing
|
No
|
|
325412
|
Pharmaceutical Preparation Manufacturing
|
No
|
|
325413
|
In-Vitro Diagnostic Substance Manufacturing
|
No
|
|
326112
|
Plastics Packaging Film and Sheet (including Laminated) Manufacturing
|
No
|
|
332510
|
Hardware Manufacturing
|
No
|
|
332710
|
Machine Shops
|
No
|
|
332722
|
Bolt, Nut, Screw, Rivet, and Washer Manufacturing
|
No
|
|
333241
|
Food Product Machinery Manufacturing
|
No
|
|
333415
|
Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
|
No
|
|
333912
|
Air and Gas Compressor Manufacturing
|
No
|
|
333921
|
Elevator and Moving Stairway Manufacturing
|
No
|
|
333996
|
Fluid Power Pump and Motor Manufacturing
|
No
|
|
334111
|
Electronic Computer Manufacturing
|
No
|
|
334118
|
Computer Terminal and Other Computer Peripheral Equipment Manufacturing
|
No
|
|
334220
|
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
|
No
|
|
334412
|
Bare Printed Circuit Board Manufacturing
|
No
|
|
334417
|
Electronic Connector Manufacturing
|
No
|
|
334510
|
Electromedical and Electrotherapeutic Apparatus Manufacturing
|
No
|
|
334516
|
Analytical Laboratory Instrument Manufacturing
|
No
|
|
334519
|
Other Measuring and Controlling Device Manufacturing
|
No
|
|
335220
|
Major Household Appliance Manufacturing
|
No
|
|
335932
|
Noncurrent-Carrying Wiring Device Manufacturing
|
No
|
|
335999
|
All Other Miscellaneous Electrical Equipment and Component Manufacturing
|
No
|
|
336211
|
Motor Vehicle Body Manufacturing
|
No
|
|
336390
|
Other Motor Vehicle Parts Manufacturing
|
No
|
|
336411
|
Aircraft Manufacturing
|
No
|
|
336412
|
Aircraft Engine and Engine Parts Manufacturing
|
No
|
|
337122
|
Nonupholstered Wood Household Furniture Manufacturing
|
No
|
|
337211
|
Wood Office Furniture Manufacturing
|
No
|
|
337214
|
Office Furniture (except Wood) Manufacturing
|
No
|
|
337215
|
Showcase, Partition, Shelving, and Locker Manufacturing
|
No
|
|
337910
|
Mattress Manufacturing
|
No
|
|
339112
|
Surgical and Medical Instrument Manufacturing
|
No
|
|
339113
|
Surgical Appliance and Supplies Manufacturing
|
No
|
|
339114
|
Dental Equipment and Supplies Manufacturing
|
No
|
|
339115
|
Ophthalmic Goods Manufacturing
|
No
|
|
339920
|
Sporting and Athletic Goods Manufacturing
|
No
|
|
339991
|
Gasket, Packing, and Sealing Device Manufacturing
|
No
|
|
339999
|
All Other Miscellaneous Manufacturing
|
No
|
|
423120
|
Motor Vehicle Supplies and New Parts Merchant Wholesalers
|
No
|
|
423390
|
Other Construction Material Merchant Wholesalers
|
No
|
|
423430
|
Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
|
No
|
|
423450
|
Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
|
No
|
|
423730
|
Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
|
No
|
|
423910
|
Sporting and Recreational Goods and Supplies Merchant Wholesalers
|
No
|
|
424410
|
General Line Grocery Merchant Wholesalers
|
No
|
|
456191
|
Food (Health) Supplement Retailers
|
No
|
|
485113
|
Bus and Other Motor Vehicle Transit Systems
|
No
|
|
485410
|
School and Employee Bus Transportation
|
No
|
|
485999
|
All Other Transit and Ground Passenger Transportation
|
No
|
|
487110
|
Scenic and Sightseeing Transportation, Land
|
No
|
|
488320
|
Marine Cargo Handling
|
No
|
|
488390
|
Other Support Activities for Water Transportation
|
No
|
|
488999
|
All Other Support Activities for Transportation
|
No
|
|
492110
|
Couriers and Express Delivery Services
|
No
|
|
493110
|
General Warehousing and Storage
|
No
|
|
493190
|
Other Warehousing and Storage
|
No
|
|
532112
|
Passenger Car Leasing
|
No
|
|
532120
|
Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing
|
No
|
|
532420
|
Office Machinery and Equipment Rental and Leasing
|
No
|
|
532490
|
Other Commercial and Industrial Machinery and Equipment Rental and Leasing
|
No
|
|
541330
|
Engineering Services
|
No
|
|
541511
|
Custom Computer Programming Services
|
No
|
|
541614
|
Process, Physical Distribution, and Logistics Consulting Services
|
No
|
|
541618
|
Other Management Consulting Services
|
No
|
|
541620
|
Environmental Consulting Services
|
No
|
|
541713
|
Research and Development in Nanotechnology
|
No
|
|
541714
|
Research and Development in Biotechnology (except Nanobiotechnology)
|
No
|
|
541715
|
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
|
No
|
|
541990
|
All Other Professional, Scientific, and Technical Services
|
No
|
|
561210
|
Facilities Support Services
|
No
|
|
561320
|
Temporary Help Services
|
No
|
|
561330
|
Professional Employer Organizations
|
No
|
|
561510
|
Travel Agencies
|
No
|
|
561520
|
Tour Operators
|
No
|
|
561599
|
All Other Travel Arrangement and Reservation Services
|
No
|
|
561612
|
Security Guards and Patrol Services
|
No
|
|
561621
|
Security Systems Services (except Locksmiths)
|
No
|
|
561710
|
Exterminating and Pest Control Services
|
No
|
|
561720
|
Janitorial Services
|
No
|
|
561730
|
Landscaping Services
|
No
|
|
561740
|
Carpet and Upholstery Cleaning Services
|
No
|
|
561790
|
Other Services to Buildings and Dwellings
|
No
|
|
561990
|
All Other Support Services
|
No
|
|
562119
|
Other Waste Collection
|
No
|
|
621210
|
Offices of Dentists
|
No
|
|
621399
|
Offices of All Other Miscellaneous Health Practitioners
|
No
|
|
622110
|
General Medical and Surgical Hospitals
|
No
|
|
623110
|
Nursing Care Facilities (Skilled Nursing Facilities)
|
No
|
|
711219
|
Other Spectator Sports
|
No
|
|
713210
|
Casinos (except Casino Hotels)
|
No
|
|
713940
|
Fitness and Recreational Sports Centers
|
No
|
|
721110
|
Hotels (except Casino Hotels) and Motels
|
No
|
|
721120
|
Casino Hotels
|
No
|
|
722310
|
Food Service Contractors
|
No
|
|
722330
|
Mobile Food Services
|
No
|
|
811111
|
General Automotive Repair
|
No
|
|
811121
|
Automotive Body, Paint, and Interior Repair and Maintenance
|
No
|
|
811192
|
Car Washes
|
No
|
|
811198
|
All Other Automotive Repair and Maintenance
|
No
|
|
811310
|
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
|
No
|
|
811411
|
Home and Garden Equipment Repair and Maintenance
|
No
|
|
811412
|
Appliance Repair and Maintenance
|
No
|
|
811490
|
Other Personal and Household Goods Repair and Maintenance
|
No
|
|
812111
|
Barber Shops
|
No
|
|
812112
|
Beauty Salons
|
No
|
|
812310
|
Coin-Operated Laundries and Drycleaners
|
No
|
|
812320
|
Drycleaning and Laundry Services (except Coin-Operated)
|
No
|
PSC codes for GKS Co., Ltd.
| Code | Description |
|---|---|
| 2940 | ENGINE AIR AND OIL FILTERS, STRAINERS, AND CLEANERS, NONAIRCRAFT |
| 2945 | ENGINE AIR AND OIL FILTERS, CLEANERS, AIRCRAFT PRIME MOVING |
| 4130 | REFRIGERATION AND AIR CONDITIONING COMPONENTS |
|
5306
|
BOLTS
|
|
5915
|
FILTERS AND NETWORKS
|
|
7310
|
FOOD COOKING, BAKING, AND SERVING EQUIPMENT
|
|
8415
|
CLOTHING, SPECIAL PURPOSE
|
|
9905
|
SIGNS, ADVERTISING DISPLAYS, AND IDENTIFICATION PLATES
|
|
DE02
|
IT AND TELECOM - MOBILE DEVICE SUPPORT SERVICES (LABOR)
|
|
DE11
|
IT AND TELECOM - MOBILE DEVICE AS A SERVICE
|
|
DF01
|
IT AND TELECOM - IT MANAGEMENT SUPPORT SERVICES (LABOR)
|
|
J015
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
|
|
J016
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- AIRCRAFT COMPONENTS AND ACCESSORIES
|
|
J080
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- BRUSHES, PAINTS, SEALERS, AND ADHESIVES
|
|
J083
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- TEXTILES, LEATHER, FURS, APPAREL AND SHOE FINDINGS, TENTS AND FLAGS
|
|
L055
|
TECHNICAL REPRESENTATIVE- LUMBER, MILLWORK, PLYWOOD, AND VENEER
|
|
L065
|
TECHNICAL REPRESENTATIVE- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES
|
|
L083
|
TECHNICAL REPRESENTATIVE- TEXTILES, LEATHER, FURS, APPAREL AND SHOE FINDINGS, TENTS AND FLAGS
|
|
M1GB
|
OPERATION OF FOOD OR GRAIN STORAGE BUILDINGS
|
|
N032
|
INSTALLATION OF EQUIPMENT- WOODWORKING MACHINERY AND EQUIPMENT
|
|
N065
|
INSTALLATION OF EQUIPMENT- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES
|
|
N072
|
INSTALLATION OF EQUIPMENT- HOUSEHOLD AND COMMERCIAL FURNISHINGS AND APPLIANCES
|
|
N078
|
INSTALLATION OF EQUIPMENT- RECREATIONAL AND ATHLETIC EQUIPMENT
|
|
Q401
|
MEDICAL- NURSING
|
|
R408
|
SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
|
|
R410
|
SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT
|
|
R430
|
SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING
|
|
R706
|
SUPPORT- MANAGEMENT: LOGISTICS SUPPORT
|
|
S201
|
HOUSEKEEPING- CUSTODIAL JANITORIAL
|
|
S203
|
HOUSEKEEPING- FOOD
|
|
S206
|
HOUSEKEEPING- GUARD
|
|
S208
|
HOUSEKEEPING- LANDSCAPING/GROUNDSKEEPING
|
|
V302
|
TRANSPORTATION/TRAVEL/RELOCATION- RELOCATION: TRAVEL AGENT
|
|
W023
|
LEASE OR RENTAL OF EQUIPMENT- GROUND EFFECT VEHICLES, MOTOR VEHICLES, TRAILERS, AND CYCLES
|
|
W061
|
LEASE OR RENTAL OF EQUIPMENT- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT
|
|
W078
|
LEASE OR RENTAL OF EQUIPMENT- RECREATIONAL AND ATHLETIC EQUIPMENT
|
|
Y1BG
|
CONSTRUCTION OF ELECTRONIC AND COMMUNICATIONS FACILITIES
|
|
Y1EB
|
CONSTRUCTION OF MAINTENANCE BUILDINGS
|
|
Y1LB
|
CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
|
|
Y1NE
|
CONSTRUCTION OF WATER SUPPLY FACILITIES
|
|
Z1BG
|
MAINTENANCE OF ELECTRONIC AND COMMUNICATIONS FACILITIES
|
|
Z1PD
|
MAINTENANCE OF WASTE TREATMENT AND STORAGE FACILITIES
|
|
Z1PZ
|
MAINTENANCE OF OTHER NON-BUILDING FACILITIES
|
|
Z1QA
|
MAINTENANCE OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)
|
|
Z2BG
|
REPAIR OR ALTERATION OF ELECTRONIC AND COMMUNICATIONS FACILITIES
|
|
Z2EB
|
REPAIR OR ALTERATION OF MAINTENANCE BUILDINGS
|
Update history
3 change(s) tracked
Aug 1, 2026
NAICS 561720 is no longer the primary code
Aug 1, 2026
NAICS 333912 is no longer the primary code
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to see every tracked change to this contractor's registration, codes and certifications.