Company Overview

SK oceanplant entered the market in 2012 by acquiring Korea’s first patent related to offshore wind substructures, and in just over a decade, has grown into a global top-tier offshore wind specialist. It is also recognized domestically and internationally for its capabilities in building special- purpose vessels as a defense contractor, and has secured competitiveness in the repair and conversion of large-scale ships based on its ultra- large offshore plant and ship accommodation infrastructure. Furthermore, by establishing long-term partnerships with global developers, SK oceanplant is taking the lead in the floating offshore wind substructure market, while also strengthening its position as a global top-tier player in both the fixed-bottom and floating offshore wind markets.

General Information

Category	Details
Company Name	SK oceanplant
CEO	Young-Kyu Kang
Date of Establishment	November 29, 1996
Business Areas	Offshore Wind, Ships and Offshore Plants, Ship MRO (Maintenance, Repair, and Overhaul)
Number of Employees	801 (as of December 31, 2025)
Head Office Address	51-1 Naesan 3-gil, Donghae-myeon, Goseong-gun, Gyeongsangnam-do
Website	www.skoceanplant.com

Business Areas

Category	Details
Offshore Wind	SK oceanplant has secured superior cost and production competitiveness relative to its competitors through an integrated production system that enables in-house manufacturing of thick-walled steel pipes for offshore wind and plant structures. In addition, the company is continuously diversifying its major equipment suppliers to further strengthen its price competitiveness. To expand production capacity and enhance the competitiveness of K-substructures, the company has established the “SK oceanplant Alliance” with 24 Biz. Partners to drive innovation in supply chain and offshore wind production capabilities. Furthermore, SK oceanplant is expanding its market reach beyond its dominant position in Taiwan to include South Korea, Japan, and Europe. [Key Achievements] Signed new contracts worth KRW 883.8 billion, including the Anma Offshore Wind and Taiwan’s Round 3.1 and Round 3.2 offshore wind projects Established a floating offshore wind partnership
Ships & Offshore Plants	Based on a selective business strategy focused on profitability, SK oceanplant is actively pursuing contracts for a wide range of vessels, from small to medium and large-sized ships, in addition to manufacturing and delivering offshore plant components and ship blocks. In response to growing demand for vessels that comply with stricter environmental regulations and for ships capable of switching to alternative energy sources, the company has entered the eco-friendly ship market by securing contracts for two methanol dual-fuel oil and chemical tankers, leveraging its extensive shipbuilding experience. [Key Achievements] S ecured contracts for two eco-friendly methanol dual-fuel oil and chemical tankers
Steel Pipes	Based on a system of high-mix, low-volume production, SK oceanplant is continuously strengthening its market position by supplying high-quality, customized thick-walled steel pipes that meet customers' diverse needs. The company supplies products to energy companies worldwide and is expanding its customer base for thick-walled steel pipes in response to various market changes. [Key Achievements] Construction underway on the world’s first three specialized yards for floating offshore wind substructures
Special-Purpose Vessels	Since being designated as a defense contractor in the naval vessel sector in 2017, SK oceanplant has successfully built and delivered one 1,500-ton patrol vessel and three 3,000-ton patrol vessels for the Korea Coast Guard, as well as 24 mooring support vessels for the Defense Acquisition Program Administration. As of the end of 2025, the company holds a contract backlog for three Ulsan-class Batch-III frigates (KRW 197.3 billion) and has successfully launched two frigates (ROKS Gyeoungbuk and ROKS Jeonnam), establishing itself as a key player in the domestic defense industry. [Key Achievements] Launch of Two Ulsan-class Batch-III frigates (ROKS Gyeoungbuk and ROKS Jeonnam)
MRO (Maintenance, Repair and Overhaul)	Samkang S&C, a subsidiary of SK oceanplant, is the only shipyard capable of repairing ultra-large vessels of VLCC class (maximum loading capacity of 200,000 tons) or larger in Korea. It operates a floating dock with a maximum lifting capacity of 100,000 tons and has a substantial track record of repair projects. Following key evaluations related to the signing of the MSRA (Master Ship Repair Agreement) and the completion of the agreement, the company is currently preparing to participate in a bid for a U.S. Navy logistics support ship. [Key Achievements] Acquired qualification for warship MRO through the signing of the U.S. Navy Master Ship Repair Agreement (MSRA)

2025 ESG Highlights

With the goal of embedding ESG management into its operations, SK oceanplant has established a systematic management framework across all areas—including environment, safety, quality, and ethics—and is delivering tangible results. In 2025, the company earned an “A” grade in the Korea Institute of Corporate Governance and Sustainability(KCGS) ESG rating, receiving recognition for the reliability and transparency of its information disclosures. SK oeceanplant also demonstrated its technological competitiveness in the eco-friendly ship market by securing a contract for a methanol dual-fuel vessel. Moreover, by fostering a company-wide safety culture and expanding employee participation, the company achieved “Zero” serious accidents. It has also signed a contract to supply substructures for Korea’s largest offshore wind farm development project, contributing to the supply of 532 MW of renewable energy.

* An eco-friendly vessel refers to a vessel defined as such under Article 2 of the “Act on Promotion of Development and Distribution of Environment-Friendly Ships” and is
classified based on vessel specifications, such as propulsion method and fuel type, as specified in the contract.
This classification is based on the legal definition and does not directly indicate the actual environmental performance or greenhouse gas reduction effects of individual vessels.

ESG Management Strategy and Activities

SK oceanplant’s ESG management strategy and detailed activities can be viewed via the website link below.

	SK oceanplant ESG Management Website