2. Construction and engineering companies: These companies are responsible for the design and construction of buildings, highways, bridges and water conservancy projects.
3. Energy companies: Many energy companies need civil engineers to design and build various infrastructures, such as oil rigs and hydropower stations.
4. Mining companies: These companies need civil engineers to help them design and build mining facilities, tailings yards, dams, etc.
5. International aid organizations: International aid organizations such as the United Nations Development Programme (UNDP) and the World Bank usually need civil engineers to support their development projects, including building roads, bridges and water conservancy facilities.