Here are some of the highest-skilled trades in the USA;- Construction Manager- Aircraft Mechanic- Rotary Drill Operator (Oil & Gas Industry)- Avionics Technician- Boilermaker- Plumber - Pile-Driver Operator- Crane Operator- Electrician- Wind Turbine Technician- Brick Mason- Millwright- Industrial Machinery Mechanic- Commercial Driver- Construction Equipment Operator- CNC Machine Tool Programmer- HVAC Technician- Carpenter- Welder- Diesel Mechanic- Automotive Mechanic