SEAFCO Public Company Limited is a Thailand-based company engaged in the business of contractual construction work. The Company provides foundation works, basement construction works and general civil works, tendering to both the government and private sectors. The Company's projects involve large bored piling, diaphragm walling, soil improvement, civil construction, substructure construction, and engineering tests. Its diaphragm walls are used for deep basements, underpass tunnels, cut and cover tunnels. In addition, the Company also provides turnkey projects, such as underpass tunnels, a fish marketplace and sports stadium. Its subsidiaries include Seafco Intertrade Company Limited, which operates construction contractual business.