The Sanki Engineering Group is involved in social infrastructure such as air conditioning, sanitation, electricity, telecommunications, office equipment and other building equipment businesses, transportation systems, conveyors and other machinery systems businesses, water and sewage treatment facilities, waste incineration facilities and other environmental systems businesses.

Thai Sanki Engineering & Construction Co., Ltd. was established on May 2008 in Thailand and is a subsidiary of Sanki Engieering Co., Ltd. It's main business includes the Facility design, construction, maintenance and consulting services.