D. Mahinda Rajapaksa

DSI Holdings Ltd. operates as a holding company with interest in footwear, trading, rubber products, food and beverages, information technology and hydro power sectors. The company was founded by Dinuge Samson Rajapaksa in 1962 and headquartered in Colombo, Sri Lanka.

DSI Samson Group Ltd. is a footwear manufacturer that offers a range of products including slippers, sports shoes, school shoes, infants footwear and children footwear. DSI Samson Group is based in Colombo, LK. The Sri Lankan company also provides transportation and logistics services to various industries. and has subsidiaries in Sri Lanka. Dinuge Ranatunga Rajapaksa has been the CEO of the private company since 1988.

Institution of Mechanical Engineers operates as professional engineering institution. The firm offers engineering training solutions and mechanical engineering education services. The company was founded in 1847 and is headquartered in London, the United kingdom.

Samson Engineering, Inc. operates as an architectural and engineering firm that provides architectural and engineering services. Its services include civil engineering, structural engineering, mechanical, electrical, agricultural, environmental engineering, bio systems, project management and consulting, interior design, building code reviews, 3D renderings and marketing packages, estimating construction cost, construction documents, and food processing. The company was founded in 1998 and is headquartered in Brandon, Canada.

D. Samson Industries Ltd. is a footwear company based in Galle, Sri Lanka. The Sri Lankan company has been in the industry since 1962 and offers a range of products including flip flops, canvas shoes, rubber boots, and industrial shoes. DSI Footwear is affiliated with various brands and has a presence in sectors such as footwear retail and trading, rubber products, and clay tiles. The CEO of the private company is Kasun Rajapaksa.

Samson Rubber Industries Pvt Ltd. manufactures tires and tubes for bicycle, motorcycles, agricultural, and industrial. It offers road, cross, BMX, city and tour-trek, downhill, pram and troller, wheel chair, racing, tubless ready, and color tires. The company was founded in 1983 and is headquartered in Kadawatha, Sri Lanka.

Samson Rubber Products Pvt Ltd. manufactures, markets and exports molded rubber, EVA, nylon and plastic products. It offers tires, wheels, truck string, pallet bands, milking liners, rubber hose, mud flaps and ice hockey pucks. The firm also provides blinker arms, ferrules and floating pads. The company was founded in 1994 and is headquartered in Galle, Sri Lanka.

Part of DSI Samson Group Ltd., Samson Compounds Pvt Ltd. is a Sri Lankan company that manufactures and exports footwear and bicycle tyres. The company is based in Galle, Sri Lanka.