Koh Brothers Eco Engineering Limited is a Singapore-based engineering solutions company. The Company provides engineering, procurement and construction (EPC) services for infrastructure, water and wastewater treatment, building, bio-refinery and renewable energy projects. The Company has two segments: Engineering and Construction, and Bio-Refinery and Renewable Energy. Its subsidiary, Koh Brothers Building & Civ il Engineering Contractor (Pte.) Ltd., offers EPC services for construction and civil engineering projects. Its subsidiary, Oiltek, is an integrated engineering, procurement, design, construction and commission company, which provides a comprehensive range of solutions for the edible oil, non-edible oil, downstream and renewable energy sectors, covering the services and products required for the vertical integration supply chain, across all types of vegetable oil. It has designed, built and commissioned approximately 570 plants in more than 30 countries across five continents.