About Us

Company History

GEM Environmental Management Co., Ltd. (GEM) was established in 2003 as a joint venture between S. Napa (Thailand) Co., Ltd., Industrial Estate Authority of Thailand (IEAT), and Global Utilities Services Co., Ltd. (GUSCO) to provide integrated services on investment, management, and public utility system and environmental infrastructure maintenances.

GEM has been trusted by the government and private sectors for the services of 12 projects nationwide to manage and control the water management, wastewater treatment, water quality, high-quality water supply, and water recycling for industrial, municipal, and commercial clients.