Ariyawansa Hettiarachchy

Ceylon Tapes Pvt Ltd. is a Sri Lankan company that manufactures and markets adhesive tapes. The private company is based in Colombo, Sri Lanka.

Part of Hayleys Plc, Puritas (Pvt) Ltd. is a Sri Lankan company that provides eco-friendly solutions for air and water purification through value-added activated carbon products. Founded in 1995, the private company is based in Colombo, Sri Lanka. Puritas offers innovative solutions for environmental engineering and has carried out over 500 water and wastewater projects from domestic to municipal scale. The company's Oxypura Masks are activated carbon masks that act as reusable face masks providing protection against pollutants, gases, dust, and pathogens.

JF Packaging (Pvt) Ltd. engages in the provision of packaging solutions. Its products include spout pouches, printed laminates, pouches with zipper, shrink labels, and peelable lidding. The company was founded by Joseph de Fonseka in 1987 and is headquartered in Kotugoda, Sri Lanka.

Recogen Ltd. is a private company based in Shrewsbury, UK.

Richard Pieris Arpico Finance Ltd. engages in the provision of financial services. It offers finance, leasing, hire-purchasing, factoring, deposit mobilization and corporate solutions. The firm operates in the plantation, rubber, tires, plastics, retail and distribution, financial services, construction and logistics sectors. The company was founded in 2013 and is headquartered in Colombo, Sri Lanka.

Part of Central Finance Co. Plc, Central Industries Plc is a Sri Lankan company that manufactures and distributes PVC pipes and fittings.

The National Science Foundation supports fundamental science and engineering researches. It offers services to people in all scientific and engineering disciplines. The firm focuses on the promotion and progress of science to advance the national health, prosperity and welfare. The company was founded in 1950 and is headquartered in Arlington, VA.