Zi Group, parent of Green Dot Limited and other subsidiaries, is a leading Bangladeshi conglomerate delivering solutions in water treatment, environmental engineering, and infrastructure. Since 2008, it has grown into a multi-dimensional organization with subsidiaries like ABM Engineering, ABM Infra, Water Birds Ltd., NS BD Corporation, and Onetech Machineries. With 600+ professionals, ISO-certified facilities, and global partnerships, ZI Group provides advanced water purification, storage, distribution, infrastructure, and industrial automation solutions, serving government and private clients with innovation, quality, and national pride.