Welding & Welded Structures Companies in Korea
770 registered factories in Korea report making welding & welded structures, most of them in Gyeonggi-do, Gyeongsangnam-do, Busan.
770 factories
62 with English names
52 with ★3+ verified signals
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Request a quote Where they are Factories by province
Gyeonggi-do 222
Gyeongsangnam-do 114
Busan 65
Gyeongsangbuk-do 59
Chungcheongnam-do 57
Incheon 50
Jeollanam-do 42
Jeollabuk-do 35
Main industrial complexes
Sihwa National Industrial Complex 45 factories · 11,344 tenant companies, 11,213 operating Namdong National Industrial Complex 24 factories · 8,087 tenant companies, 7,789 operating Banwol National Industrial Complex 22 factories Changwon National Industrial Complex 20 factories · 3,331 tenant companies, 2,859 operating Myeongji-Noksan National Industrial Complex 9 factories · 1,628 tenant companies, 1,304 operating Suppliers with the strongest public records top 25 of 62
Ranked by signals we can verify in public records: National Pension Service enrollment (actual employees),
years in business, Inno-Biz / Main-Biz / venture certification, stock listing, DART filings and nuclear or defense registration.
This is not a credit or quality rating.
205 employees enrolled in the National Pension Service; in business since 2016; KAIF nuclear member; Listed company; Inno-Biz certified; Certified venture company
Also makes: Pressure Vessels & Tanks 148 employees enrolled in the National Pension Service; in business since 2009; Listed company; Inno-Biz certified; Certified venture company
74 employees enrolled in the National Pension Service; in business since 1987; Files with DART; Inno-Biz certified; Certified venture company
42 employees enrolled in the National Pension Service; in business since 1994; Files with DART; Inno-Biz certified
Also makes: Cranes & Hoists 126 employees enrolled in the National Pension Service; in business since 1955; Listed company
Also makes: Pipe Fittings 86 employees enrolled in the National Pension Service; in business since 1991; Files with DART
Gimhae, Gyeongsangnam-do ★★★★★ verified signals
26 employees enrolled in the National Pension Service; in business since 2008; Files with DART; Certified venture company
Also makes: Fabricated Metal Products 28 employees enrolled in the National Pension Service; in business since 1998; Files with DART; Main-Biz certified
Busan ★★★★☆ verified signals
Ulsan ★★★★☆ verified signals
12 employees enrolled in the National Pension Service; in business since 2011; Files with DART; Inno-Biz certified
Also makes: Fabricated Metal Products 33 employees enrolled in the National Pension Service; in business since 1982; Files with DART
32 employees enrolled in the National Pension Service; in business since 1999; Files with DART
20 employees enrolled in the National Pension Service; in business since 1997; Files with DART
Also makes: Steel Plates & Sections 17 employees enrolled in the National Pension Service; in business since 1999; Files with DART
Also makes: Metal Wire Busan ★★★★☆ verified signals
5 employees enrolled in the National Pension Service; in business since 2005; KAIF nuclear member; Files with DART
Also makes: Industrial Machinery Ulsan ★★★★☆ verified signals
17 employees enrolled in the National Pension Service; in business since 2015; Files with DART; Main-Biz certified
Also makes: Industrial Machinery 72 employees enrolled in the National Pension Service; in business since 2017; Files with DART
Also makes: Metal Wire 42 employees enrolled in the National Pension Service; in business since 2009; Files with DART
Pohang, Gyeongsangbuk-do ★★★★☆ verified signals
48 employees enrolled in the National Pension Service; in business since 1971; Files with DART
34 employees enrolled in the National Pension Service; in business since 2015; Files with DART
Also makes: Industrial Machinery 23 employees enrolled in the National Pension Service; in business since 2010; Files with DART
Industries that use welding & welded structures Often made together Korean factories that make welding & welded structures frequently also make:
Data from the Korea Industrial Complex Corp. factory registry, Korea Customs Service, National Pension Service,
Ministry of SMEs and Startups, the Korea Atomic Industrial Forum and DART. Product descriptions are translated from Korean; names marked
"romanized" are not official English names. Verify with the company before procurement.
Data as of October 2026 ·
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