CTCI was selected as Sustainability Yearbook's Top 1% company based on 2023’s S&P Global ESG score, the only engineering company in the world receiving such recognition. Obtaining a stellar 86/100 score in the Dow Jones Sustainability Index, CTCI enjoys the highest score among global peers in the construction & engineering industry.

In association with Samsung Engineering, CTCI secured EPC project award from Ras Laffan Petrochemicals in Qatar to build an ethylene plant. Upon scheduled completion and startup in 2026, the plant will become one of the largest ethylene plant in the world by capacity.