Vinh Son - Song Hinh Hydropower Joint Stock Company provides electricity services in Vietnam. It also involved in the project management consultancy and construction supervision of energy projects; and provides consulting, design, and construction of monitoring systems for energy, construction, traffic, irrigation and environmental works; testing, calibrating, and inspecting the technical safety of electrical equipment and tools; trades materials and equipment in the field of hydropower; real estate business; electricity business; manages, operates, and maintains services for power plants; installs electrical systems for energy, industrial, and civil engineering projects; installs water supply, drainage, heating and air conditioning systems; installs, maintains, and repairs non-electrical equipment in energy projects, buildings, and other construction works; road construction; and vocational training, fostering, training knowledge, specialized skills in electricity and labor safety.