Samsung E&A, founded in 1970, is a plant engineering and EPC contractor that provides feasibility studies, financing, design, procurement, construction, commissioning, operations and maintenance and project management across oil and gas processing, refining, petrochemicals, industrial, environmental, bio and energy transition areas.
In early 2026 it reorganized from a two-way hydrocarbon/non-hydrocarbon structure into three units - hydrocarbon, advanced industry and new energy - following its 2023 mid-term strategy announcement and 2024 name change.
By scale, first-half 2026 segment revenue was 2.2031tn won for hydrocarbon, 1.4122tn won for advanced industry and 1.2614tn won for new energy, a relatively even spread.
Hydrocarbon work is driven mainly by Middle East national energy companies, advanced industry centers on affiliate semiconductor and bio facilities, and new energy covers methanol, ammonia, hydrogen and water treatment plants.
The customer base is clearly concentrated: Samsung Electronics represented 22.04% of 2025 revenue (1.9899tn won), while Saudi Aramco ranked first at 31.43%.
Among projects in progress, the Fadhili gas project had a remaining backlog of 5.794tn won with completion scheduled for September 2027, and Pyeongtaek P4, the largest advanced-industry job, had 2.7128tn won remaining with completion due in December 2027.
However, as the Samsung Electronics share fell from 27.7% in 2024 to 22.0% in 2025, advanced-industry revenue also shrank from 4.5936tn won to 2.5312tn won.
In competitive terms the company is seen as holding one of the deepest Middle East track records among Korean contractors, and iM Securities analyst Bae Se-ho has argued that with only a handful of EPC firms still operating continuously in the region, Samsung E&A would show the strongest competitiveness among Korean builders if regional reconstruction accelerates.