TNJ Construction Co., LTD.

Company facts

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Tax Exempt)

Other NAICS codes in SAM.gov

• 221121 Electric Bulk Power Transmission and Control
• 236115 New Single-Family Housing Construction (except For-Sale Builders)
• 236116 New Multifamily Housing Construction (except For-Sale Builders)
• 236117 New Housing For-Sale Builders
• 236118 Residential Remodelers
• 236210 Industrial Building Construction
• 237130 Power and Communication Line and Related Structures Construction
• 238110 Poured Concrete Foundation and Structure Contractors

Show all 20

• 238120 Structural Steel and Precast Concrete Contractors
• 238130 Framing Contractors
• 238140 Masonry Contractors
• 238170 Siding Contractors
• 238190 Other Foundation, Structure, and Building Exterior Contractors
• 238210 Electrical Contractors and Other Wiring Installation Contractors
• 238220 Plumbing, Heating, and Air-Conditioning Contractors
• 238290 Other Building Equipment Contractors
• 238310 Drywall and Insulation Contractors
• 238320 Painting and Wall Covering Contractors
• 238330 Flooring Contractors
• 238390 Other Building Finishing Contractors

SAM.gov registration date

Feb 13, 2024

Physical address

79 Bongdong-ro, Bongdong-eup, Wanju-gun, Jeollabuk-do, South Korea

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Mar 12, 2026.