Koh Brothers Eco Engineering Ltd is an investment holding company. The company operates in two segments: Engineering & Construction and Bio-Refinery & Renewable Energy. The business activities of the company include EPC services for construction and civil engineering projects and services to the edible oil industry, including the EPC and commissioning of edible and non-edible oil refining plants, turnkey outside-battery-limits infrastructure engineering, and other products. The majority of its revenue comes from the Engineering & Construction segment. The geographical segments of the company are Singapore, Malaysia, Indonesia, Africa, and others, of which the majority of its revenue comes from Singapore.