*Civil Engineers - Construct the roads, dams, tunnels, pipe lines, buildings, and rail roads.

*Structural Engineers - They make the plans for the actual structure.

*City Planners - Lay out the towns and cities.

*Transportation Engineers- Plan and build railroads, airports, and the things that are needed to keep them in operation.

*Highway Engineers - Construct the network of highways.

*River and Harbor Engineers- Control the flow of rivers, build and maintain harbors and do flood control projects.

*Sanitary and Environment Engineers - Plan and build dams, reserves, aqueducts, pipelines, and purification plants.  They also control pollution.

*Structural Mechanical and Electrical Engineers- Design the main parts of buildings.

*Extractive Metallurgist Engineers- Separate the metal bearing ores from rock and other minerals and then extract the metal from the ore.

*Aeronautical Engineers- Mechanical engineers with special training.

*Electric Power Engineers- Design circuits and make the devices for communication.

*Computer Engineers- Design computers.