- Business
- Sino-Thai Engineering and Construction Public Company Limited (STEC.BK) is a leading Thai construction firm engaged in engineering, procurement, construction, and project management services across multiple sectors. The company provides a comprehensive range of services including civil engineering works such as mass transit systems, highways, bridges, and airports; building construction encompassing commercial complexes, hospitals, and residential developments; electrical and mechanical systems installation; and industrial plant construction for power, petrochemical, and water treatment facilities. STEC offers specialized services in high-speed rail projects, tunneling, and foundation works, serving public sector clients, private developers, and international consortia primarily in Thailand with selective operations in neighboring Southeast Asian countries. Founded in 1974 and headquartered in Bangkok, Thailand, the company operates through subsidiaries focused on precast concrete production and equipment leasing, positioning it as a key player in Thailand's infrastructure and real estate segments targeting government infrastructure initiatives and urban development projects. In recent developments, STEC secured major contracts for Bangkok's mass transit expansions and airport upgrades in 2024-2025, formed strategic joint ventures with Chinese firms for high-speed rail projects, and completed a significant funding round to support backlog execution amid Thailand's infrastructure boom.