SK TNS CO. LTD.

Company facts

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 236210 Industrial Building Construction
• 237130 Power and Communication Line and Related Structures Construction
• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction
• 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
• 517111 Wired Telecommunications Carriers
• 517112 Wireless Telecommunications Carriers (except Satellite)
• 517410 Satellite Telecommunications

Show all 10

• 517810 All Other Telecommunications
• 561210 Facilities Support Services

SAM.gov registration date

Aug 21, 2025

Physical address

32 Insadong 7-gil, Jongno District, Seoul, South Korea

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jul 29, 2026.