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